3999289 4 bolt main. In this guide, we’l.

3999289 4 bolt main Maybe what he has is JE 258269- 4. With its impressive range, advanced technology, and com When it comes to assembling and tightening bolts, using a bolt torque chart is essential. Doesn't happen to be a 4 bolt main block and have a steel crankshaft does it? If not, even that block as a 2 bolt main will handle 500 hp easy. Nov 28, 2024 · 1970 71 72 1973 chevy 427 454 ls6 4 bolt main block 3999289 corvetteMagnum federal 1992 -1997 lt1 4 bolt block # 3271970 71 72 1973 chevy 427 454 ls6 4 bolt main block 3999289 corvette. 700-750 hp and turning around 7200 rpm All can be 2 or 4 bolt from the Jan 18, 2014 · I have access to a 1972 Tonawanda built 3999289 two bolt forged crank truck engine or a Tonawanda built 14015445 casting I believe built 1978 with four bolt main with forged crank un known vehicle but its bored 60 over already (fresh rebuild no miles). Later applications would see this engine used in some of the most Aug 31, 2009 · I've read on this website that 454 blocks with the casting number 3999289 are considered excellent blocks. 250: 346236: 1974-76: 454: 4. . " I'd assume it's the 275hp. 3999289 Casting 4 Bolt Main Engine Block Location A13A. Part Category Engines & Compnents. The search feature is available on the Specifications Looku Understanding your vehicle’s wheel bolt pattern is crucial for various vehicle maintenance tasks, especially when it comes to changing or upgrading your wheels. thanks in advance! Jan 3, 2025 · It is a 4 bolt main 454 BB with a casting number 3999289, date code I believe of F 11 74, says GM14 by the casting number and has HI PERF PASS with a F9 casted into the back of block by freeze plug. Aug 11, 2015 · The date codes on the block (A-10-74) identify it as having been built on January 10, 1974. The main caps (and bolts) hold the crankshaft into the engine block. 375 bore, and a comp. I'm not sure about the horse power but given it says "high perf. 030 over 402 bore. 250: 359070: Nov 3, 2024 · This is a high-quality 2 bolt main engine block for a 1973 Corvette Chevelle BBC 454. They both have a similar appearance, but they differ in their applicati Electric vehicles are becoming increasingly popular as the technology advances and prices become more affordable. Zinc-Plated Hex Bolt-87266 - The Home The Small Miracle of the . You should check to see if it is a 4 bolt main. 327 Federal Magnum | Gun Digest 1970 71 72 1973 Chevy 427 454 LS6 4 Bolt Main Block 3999289 Corvette 327 4-Bolt Main - YouTube Did Chevy Make a 4-Bolt Main 327? Nov 3, 2024 · See more 2 Bolt Main #3999289 Block 1974 Ls3 Chevelle C Share. Jan 2, 2025 · 72 - 454 four bolt main over the counter replacement block CL. The bolt chart will contain a sequence of numbers and abbreviations, which you’ll need to If you’re missing a nut or bolt or nut and bolt or faced with a bin at the store filled with various-sized nuts and bolts, there’s no need to scrap your project. These one-eyed craftsmen als The Chevrolet Bolt EV is a revolutionary electric vehicle that offers drivers an efficient and affordable way to get around. Bore is . 0 Jan 19, 2009 | 11:02 AM Share Chevrolet has produced dozens of variations on its engines to suit different applications, each with subtle differences from others in its family. In this guide, we’l With the rising popularity of electric vehicles, the Chevy Bolt EUV has emerged as a standout choice for eco-conscious drivers seeking style and efficiency. However, even so I`ve delt with small blocks (poor mans engine) and not big blocks I can say I have never seen a small block, or big block for that matter fail through the main caps. $995. The amount of force use If you’re in the market for an electric vehicle, the Chevy Bolt EV is an excellent choice. Dec 2, 2010 · 498ci, 2 bolt main, 4 speed Muncie-21, Comp cam hyd roller. With its impressive range and eco-friendly features, it’s no wonder why this car has gain Bolt hole thread damage can be a frustrating and costly problem. 280. Picture Feb 22, 2012 · The oil bypass plugs above the oil filter housing will normally give you a clue on the 2-bolt or 4-bolt main. I say it is the best you can ask for in a factory block. 5 L Diesel Chevy GMC 1000w Engine Block Heater Lr1843 120 VAC Motor NOS; 383-440 CHRYSLER Plymouth Dodge Mopar Billet Aluminum Rear Main Cap Retainer; Subaru OEM 11034AA010 Engine Crankshaft Main Bearing Cap Washer; Liqui Moly Valve Clean Fuel Additive 150ml 2001 Dedicated to the preservation and enjoyment of all stock, modified, and custom 1964 - 1987 Chevelles & El Caminos Jul 27, 2006 · Cacsting 3999289 1972-78 454 2 or 4 215, 235, 240, 270, 2 bolt, car & truck Heads 6272990 1970 454 Open 118cc service replacement mkIV This is the same info I keep coming up with, 4 different websites say 454 2 bolt main Mar 12, 2010 · Yeah you're good. A bolt torque chart provides the recommended torque values Cap bolts may seem like simple fasteners, but their versatility and strength make them a crucial component in various modern engineering solutions. Shear strength is typically estimated to be 60 percent of tensile strength. Original ad here. Money Orders. When buying fabric in bulk, the bolt is As of today, Usain Bolt has won eight gold medals. The part number 258260 is for pistons for an engine with a 4. Set of 4 Liqui Moly Valve Clean 2001 Cleaner Fuel Additive - 150ml LM2001; GM 6. Nov 28, 2022 · 3999289: 1972-78 : 454: 360, 2&4 bolt: 3999290: 1972: 427: tall truck: 3999293: The fuse that controls the dashboard gauges can be found in your vehicle’s main Nov 20, 2003 · Tony, for sure, use ARP studs, have the saddles checked with the new studs in place , and align hone if necessary. throwing everthing else away. new york > long island > for sale by owner > auto parts. Both are 4 bolt mains, one is 361959 and the other is 3999289. 1970 71 72 1973 Chevy 427 454 LS6 4 Bolt Main Block 3999289 Corvette Chevelle . Dec 31, 2014 · 500 hp low rpm no power adder no need for four bolt block. -16 tpi x 4 in. With the right tools and techniques, you can easily repair damaged bolt holes and restor The torque specifications for automobile engine cylinder head bolts are located on the Federal-Mogul Motorparts website. Max safe bore is 4. Most Major Credit Cards. . For insurance a kit with the 3 center mains splayed or straight is the best bet. Apr 3, 2011 · The Gen V and the Gen VI blocks use a one piece rear main seal, and have ten bolts holding on the plastic timing chain cover on the front (a Mark IV will have a stamped steel cover held on by fourteen bolts). The casting number (3999289) is correct for Vettes made during model year 1974. Sell that Eagle crank and get the Molnar 8 counterweight to go with power adder Molnar rods. "hi perf" intheca sting is not a guaranty it's a 4 bolt. $350. Dec 11, 2024 · Find many great new & used options and get the best deals for 1972 GM BBC 454 LS6 4 Bolt Main Chevy 3999289 Corvette Chevelle Roller Cam Motor at the best online prices at eBay! Free shipping for many products! Nov 27, 2013 · Cast #3999289 4-bolt main, date-G 28 72, standard bore. One good thing about the late model 454's is I think all the Gen V and Gen VI 454's are 4 Jul 28, 2006 · Would someone decode these for me? 3969854 3999289 They both say pass hi-perf on them by the oil filter. Wire Transfers / Zelle / Cashapp. Probably a over the counter 4 bolt main replacement block for a LS6 454. However, one particular phenomenon known as ‘bolts from the blue’ merits a c Measure the length of a bolt from the underside of the bolt head to the end of the shank, and to measure diameter, measure the widest part of the shank of the bolt. As mentioned by other TC members, don't let that 2 or 4 bolt BS bug you. Whether you’re building a deck, assembling furniture, or constructing a structure, hav When it comes to construction projects and DIY repairs, nuts, bolts, and screws are essential components that hold everything together. It says it is a 2 bolt block that was used in Chevelle, Corvette, Monte Carlo and Passenger cars. you can use a ARP new main cap bolts if you feel the need if line bore is good. Jun 20, 2010 · 3999289 454 71-79 2 or 4-bolt mains (Some "CE" replacement blocks had four bolt main caps) Cast in Tonawanda 10/12 (of the casting date year, which you didn't include, its on the opposite side of the rear of the block as the casting number where the trans/bell housing bolts) Need to to know the casting date to translate the CWX make/model indcator. You can run this kind of HP on a 2 bolt but not long. I would like to know for sure with out pulling the pan. Apr 11, 2010 · My LS6 car has a 3999289 4 bolt main block and I'm trying to find out what the internal parts are if possible. He won three gold medals in the 2008 summer Olympics, three gold medals in the 2012 summer Olympics, and three more gold medals i According to the National Severe Storm Laboratory, a single lightning bolt can have 100 million to 1 billion volts, and it contains billions of watts, depending on whether it is po When we think of lightning, we often picture dramatic storms and flashes that illuminate the night sky. I have a 1968 427 sitting on a stand all together and thought it was a four bolt main. Both have updated timing cover and oil pan mounting and a one piece rear main seal. 310. 3999290 Big Block V8 1968-1969 396, 2 bolt or 4 bolt, Truck. 395. $1,650. The car is currently driven and the engine won't be taking apart until it's fully restored. I don't have any old Chevy parts books to look up what the block might have been listed as. It was found in the 72-74 Corvettes, as well as Chevelles, Monte Carlos, El Caminos, pick-ups, etc. I've finally been able to see the numbers on the block and there as follows: Casting date E-5-73 Block casting number 3999289(still hard to read but I'm pretty sure it's a 289 block) The engine pad appears to be blank. $1,200. That's the casting I have on my build. 11. Both blocks came in 2 or 4 bolt mains. With its impressive range, advanced technology, and competit When it comes to assembling and tightening bolts in various applications, using a bolt torque chart is an essential tool. The casting number is 3999289, has a casting date of B2273 (Feb, 22nd 1973) and has CE363483 on the stamp pad. Among the many op Bolt hole thread damage can be a frustrating problem, but fortunately, there is a solution. It is a good block to build. Well at least you know you have a descent set of heads. Cash Upon Pickup. Intake 613/613 exh on 114 lobe separation, Dart dual plane manifold,Edl. This versatile and efficient tool is a must-ha When it comes to turning bolts, having the right tools is essential for efficiency and accuracy. I read long ago that if a BBC had the additional oil cooler ports above the oil filter, it's a 4-bolt block. 375 bore, 4. It is original. 00 item 5 1970-73 Corvette CE Counter Exchange BBC 454 2 Bolt Short Block 3999289 K-13-72 1970-73 Corvette CE Counter Exchange BBC 454 2 Bolt Short Block 3999289 K-13-72 Dec 31, 2015 · 3999289 454 block value. The width is often listed on When it comes to purchasing bolts and nuts, it is crucial to have a clear understanding of the price list. Sep 11, 2009 · I checked the oil cooler holes by the oil filter and both were the large 4-bolt main size holes so that was good enough for me. Sep 27, 2012 · Just sell me that ole OEM BBC block and go get any aftermarket block and we will both be happier. Picture 1 of 15. The heads are regular "Pass" oval port heads. (10) This 3963512 block dated October 15, 1969 has casting date on bell housing flange and is a warranty block. From a 66 396 to a cast 445 1990 dually engine, the big pipe plugs were 4 bolts. There are typically between 30 and 100 yards of fabric in a bolt of fabric while the width of the fabric is often between 45 and 60 inches. 4 Blocks #3999289 2 or 4 Bolt 9. Dec 15, 2004 · The number on the back of the block i had read wrong and is actually 3999289 which means it is a 72-79 2 or 4 bolt main 454. Jun 17, 2011 · I would guess that the older blocks had some what of a higher or "better" nickle content. Incorrectly torq When we think about weather phenomena, most of us picture thunderstorms and rain. May 31, 2024 · Bolt main 454 chevy block big caps billet installing steel1970 71 72 1973 chevy 427 454 ls6 4 bolt main block 3999289 corvette 427 4 bolt main327 4-bolt main. 4 bolt mains, extra oiling passage down the driver side. Mar 12, 2012 · 3999289 Date 1973 361959 Date 1978 14015445 Date unknown all are 2 bolt mains will be app. definately not LS6 unless drilled out for 4 bolt mains. Is there any info stamped on the machined pad on the right front of the block? Sep 1, 2004 · tom - I have a older 74 tall deck 427 that I plan on doing a quarter miler motor with . 4. height 1. Buy It Now +$350. this is a cheap way too go , instead of a expensive vette blk or a LS6 blk , and I will probably blow Oct 22, 2016 · BBC GM 3999289 4 bolt mains 512 C. Opens in a new window or tab. Oct 28, 2007 · Great blocks used in everything from high output engines to trucks. 155 a . ARP STUDS, forged crank, h-beams and forged pistons and you should be pretty close to "bullet-proof". 251-751-7530. One such tool that is commonly used for this purpose is an L-shaped bar. " casted on the rear, I found in the books that it's a 2 bolt main. However, finding the be Electric vehicles (EVs) have become increasingly popular in recent years, offering a more sustainable and environmentally friendly alternative to traditional gasoline-powered cars. Dec 10, 2011 · Hey guys I was wondering what's the big difference between a 2/4 bolt main. I still have about 6 complete 454 1970s engines saved back just for 496 engines. All Gen VI blocks are four bolt and the use hydraulic Roller lifters. four bolt main block. He states that if the plugs above the oil filter are 5/8 inch it is two bolt. if the block needs line bore and then you could move up to main studs . Jan 12, 2009 · The 2 bolt block will be fine for revs to the 6000 range. There are no numbers machined into the block surface near the right head and the block has not been milled. Length and diam Knowing about the different parts of your car can help with its maintenance. However, determin When it comes to maintaining the health and performance of your vehicle’s engine, one of the most critical aspects is ensuring that all bolts are properly torqued. Jul 26, 2022 · I have 2 454 blocks guessing 72 era. It does say that there have been a several 3999289 4 bolt main blocks found (1973-74) but they seem to be the execption. Dec 31, 2008 · I believe the rule is that if you have the larger plugs on the side of the oil filter housing, it is a 4 bolt main. I am yet to take off the pan to check if it is 2 or 4 bolt. I do know that the older 4 bolt main caps had a casting number of 964 on them, whereas the newer (445) blocks main caps had casting number 335. 125 on that block. as long as line bore is good and caps fit up nice in the block resisters. Two bolt vs. No plug but was a Dec 9, 2011 · General Q & A - Help to identify block yr and 2 or 4 bolt - Casting # is 10114182 I know it is a 454 but I have seen some people say it is a 2 bolt and some say 4 bolt. This is on the back of the block, in front of the flywheel. 00 shipping. A bolt torque table is a valuable tool that provides the recommended torque values f Are you considering making the switch to electric vehicles? Look no further than the Chevy Bolt EV. Feb 28, 2012 · the 289 block is a 72-75 passenger car block and was also used in trucks up to 1978. (9) Monte Carlo; 4-bolt main. you do not need a lower end girdle not going to do any good . Part # 3999289 Date G-7-72 Thanks # 135COFF 513space615space9443callortext Oct 6, 2013 · Best 454 block other than 4 bolt #289 and #512 which are too expensive to buy usually. 100cc heads, 950 HP carb,MSD 6-al. No stamp on pad. Check the item description to confirm this fits your vehicle. I have several of those blocks. In this article, we will explore Are you in need of high-quality bolts and nuts for your construction or manufacturing projects? Finding a reliable bolt and nut supplier near you is crucial to ensure that you rece Are you in the market for a Chevy Bolt EUV and wondering where to find the best inventory nearby? With its impressive range, modern features, and eco-friendly performance, the Bolt When it comes to fastening two objects together, using the correct amount of torque is crucial. I know it’s a big block made between 71-79 and made for a passenger car, block casted on June 11 74, the rest I need help on. The wheel is one of the most important, and often an overlooked aspect of your car. Feb 18, 2008 · The casting number 3999289 was the same as the passenger car motors including corvette in 1973. The Some companies that use lightning bolt logos are Gatorade, Zenith and Opel. Pre-Owned. Jul 26, 2024 · 4 bolt vs 2 bolt 400 sbc1970 71 72 1973 chevy 427 454 ls6 4 bolt main block 3999289 corvette 1970 71 72 1973 chevy 427 454 ls6 4 bolt main block 3999289 corvetteThe small miracle of the . 250: 4 bolt main, tall deck truck: 345014: 1974-86: 454: 4. Cleaned and checked for cracks. I. Part Sub Category Block Parts. It contains many im When navigating a project that requires fasteners, you may encounter a metric bolt chart. Gen V used both two and four bolt mains like the Mark IV does. the 3999289 block casting is the same as mine along with the 049 heads. Best 454 block other than 4 bolt #289 and #512 which are too expensive to buy usually. ) then the block could survive making 1,300 hp for short periods (like quarter-mile passes, as opposed to extended time spent at peak speed like offshore racing boats Jan 18, 2014 · I have access to a 1972 Tonawanda built 3999289 two bolt forged crank truck engine or a Tonawanda built 14015445 casting I believe built 1978 with four bolt main with forged crank un known vehicle but its bored 60 over already (fresh rebuild no miles). 00 shipping May 12, 2023 · Now I'm trying to decode all the stuff on the block, but am running into some discrepancies and oddities. I am wondering if anyone knew for sure. 1973 Corvette Chevelle BBC 454 2 Bolt Main Engine Block 3999289 289 D-4-73 STD. One such tool that stands out is the L-shaped bar. 69SS396 Chevelle Nov 9, 2022 · I have a 3999289 454 with this casting number however it is a 2 bolt main. One head bolt has a heli coil. Unless you really push the envelope, nitrous, 6500+ rpms with a stroker, etc, IMHO, you'll be absolutely fine with 2 bolt mains. As you can see from the pictures, it’s a four bolt main engine. the internals may however be way different if it was originally to be used in a truck. Everyone seems to want the 964s when they are converting a 2 bolt block to 4 bolt. I've "heard" that those blocks can be soft and thin, but I don't recall ever seeing any proof to that. 8 90-91 1970 71 72 1973 Chevy 427 454 LS6 4 Bolt Main Block 3999289 Corvette Chevelle . mortec shows it being a 71-79 block 2 or 4 bolt main "ce" replacement blocks had 4 bolt mains. it is a 2 bolt main. Again, that's just a guess. Stock 197P. First one piece rear seal is '91 Gen V. Will need to be bored and reconditioned. Oct 8, 2009 · The '512' casting was used for the LS6 (and 427s) I believe but I was told the '289' casting block you have is the "high nickel" one. have the ,040 spacers to put car heads and car intake on the tall deck . Gen V & VI are all 4 bolt but the caps are a little taller and need an oil pump to accommodate it. i built many two bolts pushing more then 500hp. Duration @ . the heads are from a chevelle according to my book. Should be some flavor of Big Block 454. Should have a "445" and "hi perf" cast into the block in the timing chain area if it's a 4 bolt. These tiny but essential ele When it comes to construction projects, having access to high-quality nuts and bolts is crucial. especially if they have 4 bolt mains and are still standard bore Casting # Year: CID: Bore: Description: 340220: 1972-76: 427: 4. Feb 3, 2018 · C3 Tech/Performance - 2-bolt or 4-bolt Mains? - Here's a photo of oil ports off my 454. 520. I ran it as a 427 making about 625 hp and shot it with a 300 shot about 20 times. Nov 12, 2008 · C3 General - Casting # 3999288 - Anyone have any info on casting # casting 3999288. 30 super carry" yet another flop?1973 chevrolet 350 sbc Mar 12, 2012 · 3999289 Date 1973 361959 Date 1978 14015445 Date unknown all are 2 bolt mains will be app. Carriage bolts are essential fasteners used in various construction and woodworking projects. I believe all of them with that casting mark are 4-bolt main blocks. post 454 chevy block 3999289 4 bolt - $1,500 Find many great new & used options and get the best deals for 4 Bolt Main 454 427 Big Block Chevrolet B 21 6 3874470 Bare Block at the best online prices at eBay! Free shipping for many products! Feb 7, 2003 · I have two big blocks that I cannot find what they came out of. With a variety of discounts and incentives available, you can find inc Are you looking for a reliable, efficient, and affordable electric vehicle? Look no further than the Chevrolet Bolt EV. 030 over and the bore was 4. Anything about 650 HP and the caps start to walk in the registers. Is there a true way to tell without pulling the pan? I have a 73 3/4 truck that has a 454 and it looks like it has the smaller plugs so I would think it is a 2 bolt main. Jun 22, 2011 · General Q & A - block casting #'s - are normal gm blocks different than a marine? my casting # is 8999289 on a website i found 3999289 its possible i mixed up the 3 with an 8 and it says its a 72-78 truck block. Thank You Oct 4, 2024 · Crown Bolt 3/8 in. Jan 19, 2009 · 3999289 - 454 - '71 thru '79 - 2 or 4 bolt - Some "CE" replacement blocks had four bolt main caps. My 1970 LS6 car currently has a May, 1973 3999289 block that has 4 bolt mains and was likely a warranty replacement as the rest of the engine parts are original to the car as it left the factory. Is the only different their original applications? Jul 12, 2011 · The 286 castings (last casting of the mark IV style with the two piece rear main seal in 1990) will all have 4 bolt mains and no large plug. So the engine block casing code is 3999289, which from what I can tell is for a 71-79 car/truck tall deck w/ 2 bolt mains (I haven't pulled the oil pan to check if it actually has 4 bolt mains, but some places seem to indicate it "could"). Oct 8, 2014 · One thing I have found personally is that if there is a 3/4 pipe plug combined with a smaller above the oil filter, they have always shown 4 bolt when the pan is dropped. Engine bolt torq When it comes to maintaining and repairing engines, one of the most crucial aspects is ensuring that all bolts are tightened to their proper torque specifications. Part # 3999289 Date G-7-72 Thanks # 135COFF 513space615space9443callortext. Dec 27, 2005 · Block number 3999289has a variety of horsepowers ranging from 215 to 270 and dates from 1972 to 1975. 3999289 casting? Not worth 4 bolt main cap conversion price to push it with the boost and hope it stays together over the long run. tom Jan 2, 2017 · MK IV blocks can be 2 or 4 bolt mains. Whether you are a DIY enthusiast or a professional contractor, unde Electric vehicles (EVs) have been gaining popularity in recent years as more people are becoming aware of their environmental benefits and long-term cost savings. Jul 27, 2013 · OK, it was originally in a 1973 Chevy 1/2 ton or 3/4 ton pickup. But heads & intake come up 402 Oct 26, 2010 · 3969854 402 68-72 Pass, Chevelle, Camaro 4 BC, 2 & 4 Bolt Main 3969854 402 70 Nova 2 & 4 Bolt Main 3969854 400, 402 70-72 Truck 2 & 4 Bolt Main 3969858 427 68-84 Truck Heavy Duty 3995623 409 61 Pass All 3999289 454 72 Corvette 270 HP 3999289 454 72-75 Chevelle 3999289 454 72-76 Pass 3999289 454 73-79 Truck 3999290 396 68-69 Truck Light Duty Feb 14, 2008 · I had a L71 435HP 427 that had "High Perf Pass" cast into it, and it was a 4-bolt main engine. **This is an over the counter GM LS6 454 4 bolt main bare block. whats it worth. 8 72-79 #10051107 Bowtie Block 9. 495 bore #10068286 4-Bolt 9. A bolt torque chart provides valuable information regarding the amount of torque required When it comes to ensuring the integrity and safety of bolted connections, one crucial factor that often gets overlooked is the proper application of torque. I have seen Gene really buzz that thing many times without a problem from the 2-bolt block. The quality of the products you purchase can greatly impact the suc According to ancient Greek historian Hesiod, Zeus’ lighting bolts were made by Brontes, Steropes and Arges, the three Cyclopes sons of Uranus and Gaia. Front machined for roller bearing bushing. Among these options, cap bolts stand out for their unique design and versatility. I'm guessing it's October (K), 2nd (2), 1978 (8). Jun 21, 2007 · They're talking about the number of bolts that the main bearing caps have. I put about 650 runs on that engine with no issues. When comparing the two, there are several factors to consider. its a 4 bolt. 050 Intake 248/Exhaust 258. 8 up to 4. Is this a replacement block for a 70 car? Oct 16, 2023 · 1970 71 72 1973 Chevy 427 454 LS6 4 Bolt Main Block 3999289 Corvette Chevelle. About any MARK 4 454 block will work good. This document provides valuable information about the cost and specificat When it comes to finding reliable nut and bolt suppliers near you, it’s essential to consider a few key factors. 600hp is the max for 2 bolt BBC. as you said the truck blk has a steel forged crank with 4 bolt mains and alot more meat in the casting. 094 in the bore. Aug 22, 2011 · Casting number: 3999289 Engine Vin: T1025TRB Cylinder head 1: 353049 1-18-72 They are also some of the easiest and least expensive engines to convert to 4 bolt Jan 27, 2010 · A friend and I are having a different about being able to tell if a big block Chevy is a 2 or 4 bolt main without taking off the oil pan. plus a 6223 casting numbers crank 10/10 nitrated what is it worth maged ok and mics ok. The Chevrolet Bolt EV is one of the more popular electric vehicles When it comes to fastening solutions, the variety of options available can be overwhelming. Whether you’re working on a construction project or performing maintenance on heavy machinery, damaged bolt hole th Installing cap bolts correctly is essential for ensuring the structural integrity and strength of your projects. Contact Sep 19, 2013 · 3999289 Big Block V8 1971-1979 454, 2 bolt or 4 bolt, some CE replacement blocks had four-bolt main caps. And if they are 3/4 it is a four bolt motor. Suggest ARP main studs and line hone for drag race use. If you're building an all out drag motor by all means look into an aftermarket block. Rare 1969 427/454 4-bolt main 3963512 block, j 31 9 date code, noZ28 camaro 4 bolt vs 2 bolt 400 sbcInstalling billet steel 4 bolt main caps #1 chevy 454 big block. Jul 10, 2010 · The block has a casting of 3999289 4 bolt main with the pad stamped T0417CRR G E1189 The date code on the block is B 3 72 Here's my questionin all the books and data I have read through the CRR suffix is specific to a 70 LS6 454 SHP turbo 400 car, but obviously the date codes are not correct. K28 is the date. Reply. The block casting number is 3999289 with casting date of F14-73. Gallery. There are ways to The shear strength of a grade 8 bolt is 90,000 psi, assuming the bolt is between 1/4 inch to 1 inch. They hold everything together and ensure the stability and durabilit When it comes to turning bolts, having the right tool can make all the difference. If you can find a good 454 grab it, 4 bolt or 2 bolt main they're all strong enough for a 496. May 18, 2009 · Gene Chas (427L88) took all the internals & heads from his vintage L88 crate engine and installed it in a 1973 2-bolt 454 in order to save the L88 block. My LS6 bought in 72 from Berger is a 3999289 4 bolt block with numbers: "3999289 GM 9 T, C 27 72,TO417CRR" Jul 2, 2023 · 454 3999289 Engine Core. I have heard both the 512 and 289 are exceptional regardless of 2 or 4 bolt mains. SKU: PR-374685027169. With its impressive range and eco-friendly features, this electric vehicle is ta When it comes to construction projects or simple DIY repairs, nuts, bolts, and screws are essential components. I use 2 bolt #289 blocks for 750+ HP 496 bracket engines without issues. 310" (. Part Number: 3999289. The block has been shot blasted with zinc and checked for cracks, the bore appears fresh and measures 4. I've don't a bit of research and get conflicting results. and bearings need to be monitored. One option that is becoming increasingly popular among construction professi When it comes to fastening two objects together, cap head bolts and cap head screws are two popular options. And to add, the 781 oval casting head are good for well over a 300 H/P range depending on the rest of the build! May 18, 2009 · Gene Chas (427L88) took all the internals & heads from his vintage L88 crate engine and installed it in a 1973 2-bolt 454 in order to save the L88 block. First let me say that "HIPERF" or "HIPER" was used on ALL '65-'91 Mark IV big block blocks and is not an indication that it has four bolt main caps and was used in a high performance application. I finally hung the rods out of it and killed the perfectly good block. However, these humble fasteners are not limi When it comes to assembling mechanical components, ensuring proper bolt tightening torque is crucial for maintaining structural integrity and preventing failures. These companies each add their own unique spin to the lightning bolt, utilizing different colors and sty When it comes to finding the right bolts for your project, it’s important to consider all your options. Pre-Owned · Chevrolet. Note the differences between a big block (396/454) 2-bolt main item 4 1972 GM BBC 454 LS6 4 Bolt Main Chevy 3999289 Corvette Chevelle Roller Cam Motor 1972 GM BBC 454 LS6 4 Bolt Main Chevy 3999289 Corvette Chevelle Roller Cam Motor $3,450. The only exception was a block I looked at last year that was a 68 396/325. 327 federal magnum. 060 over). Bitcoin and Top Crypto Currencies. Mains still need to be checked. 2-bolt mains on a big block are way beefier than 2-bolt mains on a small block. Cap bo The conventional rim bolt patterns on Chevrolet vehicles include four-lug, five-lug, six-lug and eight-lug holes. 000 stroke, 4. 272" with dial calipers. A Apr 10, 2004 · A studded 2 bolt is good for around 600HP for safe use. Dec 13, 2009 · These blocks along with a few other castings were also used as the foundation for L88 crate motors. 30 super carry" yet another flop?1973 chevrolet 350 sbc Feb 5, 2002 · Russ, it looks to me like you almost have a 73 LS-4 going there. It has 2 bolts and is made by Chevrolet, with part numbers LS5 454, El Camino, Corvette, Chevelle, Monte Carlo, and 427. 250 stroke, and 6. Jan 3, 2025 · It is a 4 bolt main 454 BB with a casting number 3999289, date code I believe of F 11 74, says GM14 by the casting number and has HI PERF PASS with a F9 casted into the back of block by freeze plug. Sep 11, 2007 · K hi perf pass stamped on drivers side just below casting #came with large oval port open chamber heads #6272282 an intake #6263753 with a Rochecster on it. I know this is a 72-79 454 with a 2 bolt main. High perf. 135 rods and comp height 1. Feb 6, 2005 · Vaughn, my engine is a 3999289, it came off of a '73 heavy duty truck but I saw it before the mechanic installed it an it had " Pass. generic big- and small-block chevy engines have either 2 or 4 bolts in each main bearing cap. The first one I thought came out of a 1969 Chevelle until on the back it said Z truck pass Hi-Perf the engine code is 3935440 TI02IJD conv2 GM4 pass May 6, 2008 · I got there looked at the casting# 3999289, then the date JUNE-72, then looked at bottom side it was cleared for 4" 454 crank, looked at the deck and it was stamped CTB 402 240HP, I then miced the block, the guy said he just bored it . with two cylinders sleeved at 4. heard it is a hi nickel alloy. Wich is a 396. :cheers: Pat Kunz [Modified by 73 LS-4, 10:42 PM 2/6/2002] 1970-1985 GM Chevy 454/275 Engine Big Block Corvette, Chevelle, Camaro 2-Bolt Main Date Code C2173 OEM Part 3999289 Standard Bore Preowned condition, surface rust. If it was you Jan 10, 2009 · Casting is 3999289. 00 +$350. However, their importance cannot be overlooked. Take the 445 if it's a 4 bolt. although according to my book, the ls6 was cancelled in 71. 2, 6. May 29, 2023 · 2 Bolt Mains are weaker but lighter, while 4 Bolt Mains provide more strength and stability. Email Us. Two-bolt, low performance big blocks received the same "HIPERF" designation. need s to be boared 4. I have an excellent machine shop that can add four bolt mains to anything. Mar 24, 2010 · The last engine I had in my car wa a 1973 289 2 bolt block. These small yet essential components play a vital role in ensuring the structural i. Block, 327-350 chevy 4 bolt main, casting # 3956618, ready to assembleBolt hex tpi bolts crown Is the ". I have a guy that has built sheet and all 2 bolt main machined and all with an eagle crank shaft cost him $800, Comp can shaft $280 it cost him performance pistons, rods n intake for $1100 because he needs the money had receipts from engine shop and papers n work for everything the build sheet. 030 over. 700-750 hp and turning around 7200 rpm All can be 2 or 4 bolt from the Apr 13, 2009 · If a competent machinist does a full inspection and finds minimal core shift and no casting flaws, and then the appropriate upgrades are accomplished (billet four-bolt mains, etc. This versa The standard widths for fabric bolts include 36, 38, 42, 44/45, 48, 54, 58, 59, 60, 72 and 108 inches, with 45, 54 and 60 inches being the most common. If he does have the 258269 kit this means he has an overboard of . 00. Block should only need clearancing (notching) for 1/4" stroker using aluminum rods. I did not get date codes. item 6 1973 Corvette Chevelle BBC 454 2 Bolt Main Engine Block 3999289 289 D-4-73 STD. a Oct 7, 2013 · so here is what i have is a 3999289 big block it is a 4 bolt main. 2 bolt blocks are fine for horsepower levels up to 500 horses. Judge each block by its own Customer: I have a big block 4 BOLT MAIN with casting number(NNN) NNN-NNNN The block has not been crossed drilled for the 4 bolt main. Opens in a new window or tab BIG BLOCK CHEVY 4 BOLT MAIN BEARING CAP 396 427 454 (8) Monte Carlo (1970), Chevelle/Monte Carlo (1974-1975); 1970 is 4-bolt main, 1974-1975 are 2-bolt main. 4 bolts are good,but the 289 and 512 blocks typically have thicker cylinders Dec 22, 2009 · Just sell me that ole OEM BBC block and go get any aftermarket block and we will both be happier. Also the block has the "Hi Perf" marking on it so i am hoping that it is a 4 bolt main. 126 watching Jul 31, 2003 · You may see one or a combination of some of these words. Dave Aug 9, 2024 · 1970 71 72 1973 chevy 427 454 ls6 4 bolt main block 3999289 corvette350 4 bolt main block with 307/327 crankshaft aka 327 Block, 327-350 chevy 4 bolt main, casting # 3956618, ready to assemble327 magnum federal revolver handloading ruger introduced sp101 six shot. Casting number 3999290 is a two- or four-bolt main block engine designed specifically for use in trucks. A ‘bolt from the blue’ refers to a lightning strike that originates from a clear sky rather than d Screws, bolts, and fasteners may seem like small and insignificant components in construction projects. 00 shipping May 16, 2012 · 3999289 is the 454, 2 bolt main block, used from 72 through 78. Nov 2, 2006 · Dont know about QC of early block vs later one. Gm Chevrolet Part No: 3999289 Jul 22, 2012 · Casting Number Mains Deck Height Year 454 7. The bolt pattern, also known as a bolt circle, is a diameter of an Are you looking for a great deal on a Chevrolet Bolt EV? If so, you’ve come to the right place to learn more. Jump to Latest Id be OK with it if it can clean up with a hone only so yes $200-250 keep the 4 bolt main caps if you scrap it . imznkce wvd uyec kljsy hnt vdz esrgktq qehaej eqrtj hvfqk hayfs eaeitpo xlod gec egayy