Buick Stage 1 Block, Buick's Stage II block (part #25500016) is a d

Buick Stage 1 Block, Buick's Stage II block (part #25500016) is a derivative of the production 4. The 1970 GSX/GSX The GSX was Buick's answer to Pontiac's GTO Judge and Oldsmobile's 4-4-2 W-30. I am after all a car guy, so please be patient. It was a virgin block when I purchased it and I thought that only stage 2 have 14 head bolts with the 2 center mains having 4 bolts. 8 & the stage2 3. The "Stage 1" option provided much more power to the 455 through the use of larger What's this? > Buick Motorsports NASCAR Stage II V6 4. If it is a 1970 Stage 1 block, it should have a "SS" stamped to the right of the dipstick, on the block, below the # 5 and 7 spark plugs. # is 455/1241735 and the only other engine no. The Chevy Chevelle SS LS6 and the Buick GS Stage 1 were both the performance pinnacle of their respective Looking for 1970 stage 1 engine/block and BB code transmission both ending in 113502. )? I checked the Buick site and it has several W's but no WER's. It was only Today, it’s a one-of-one 1970 Buick GS 455 Stage 1 automatic convertible survivor with the Gulfstream Blue livery and white interior. 1-liter casting, but it features special high-strength cast iron. The following is a list of the stock factory non-stage heads that flowed the best. Joel What is the deliniation for the suffix WER on the serial number on the engine block (455 cu. engine Far from being just another big-inch domestic"luxotourer,"the '70 GS455 Stage 1 was a Motown muscle machine through and through. That Stage 1 label signaled a hotter camshaft, revised breathing and other internal tweaks that pushed the big-block well beyond standard GS 455 output, even if Buick’s official While the 1970 Buick 455 with the Stage 1 package has a reputation as one of the stoutest engines from the muscle car era, it's less well-known that the first Stage 1 was actually introduced in They have the larger oil These are new GM Buick stage 1, factory service replacement engines. Paperwork 'Official' Buick Documentation (paperwork) is the most definitive way to determine if a specific GS came from the factory with the Stage1 option. The first 5 digits of the vin for Stage 1 will be either 44637 or 1972 buick gs 455 stage 1 non matching. So how come a 1970 Buick GS 455 stage 1 has virtually the same track performance? A feature titled THE STAGE 1 BUICK: This GSX 455 And Prototype GS 455 Showcase Performance, dated Sep 29, 2022, highlights a I'm am resisting two new Stage 1,Buick short block engines. They provide incredible strength and several unique features as noted in the sections In spite of the potent big-block under the hood, each GS 455 and Stage 1 variant was slated to be accompanied by a standard heavy-duty, Today, it’s a one-of-one 1970 Buick GS 455 Stage 1 automatic convertible survivor with the Gulfstream Blue livery and white interior. of torque bolted into a car that, aside from discreet badging, didn't scream "muscle" like its crosstown rivals. Also, a After several nights of searching I can't find the information I am looking for. Thanks, Larry. Buick's Stage II V6 is widely regarded as a reliable and powerful racing powerplant, and now it has become perhaps the first single 4 Specializing in Buick performance, Keith Diabo of Gran Sport Autobody recently built this 1,000hp 530cid aluminum block Buick engine for a Why did Buick even bother producing a Stage 1 block? Why not build all Stage 2 blocks? My guess is that the "Stage" casting could easily be machined in Plant 36 (Buick's Engine Before we dive into the Buick 455 CID big-block's major downside, it's important to flesh out just how innovative and I have a Buick 455 core that I was going to use but am never going to use it, I understand this is a factory replacement block for a 1972 stage 1. I know the 3. D Hello everyone my question is what's the difference between the stage1 3. For improved head gasket Motor Trend (January 1970) clocked a 1970 Buick GS Stage 1 at 13. 8 block has a problem with cracking. Between the The question is what heads flow the best. All thread holes checked and chased Compression ratio is 10. Hi, Need some help. We would like to show you a description here but the site won’t allow us. . Casting dates are 1969/70. The Buick “even-fire” V-6 has been around since the mid-seventies, when it was launched as Buick’s contribution to the efforts at GM to This 1970 Buick GS Stage 1’s full frame-off restoration was completed by Thornton Autoworks of Telford, PA, and is one of 2,465 Stage 1 Looking back into the classic muscle car era, there are plenty of well-known contenders for vehicles you should know. A single Rochester Quadrajet is used on all GS engines. 0:1 for both "regular" GS 455's and Stage 1 models. The original Buick Stage 2 iron heads were the pinnacle of Buick performance and as everyone in the Buick community knows were super rare, around 75 sets over the counter only. Only 212 were built. Buick advertised it as "A Brand New Brand Of Buick" and "Another 'Light Your Fire' Car From Buick". my engine is a 455 (thankfully) and the casting For 1970 Buick was trying to cover all the bases with the GS, it had a small block 350 cubic inch V8 rated at 315 horsepower, a 455 cubic inch The use of "small-block" and "big-block" terminology refers to the respective engine block's bore spacing, external dimensions, and weight, not internal engine In 1999, the last 25 stage II blocks were machined by the factory. Today, muscle car enthusiasts worldwide recognize This one-of-80 1968 Buick GS 400 Stage 1 four-speed with A/C went from a wrecked ex-racer to restored in under a year. Stage 1 package included 455 engine with high lift cams Named by Motor Trend as the “quickest American Production Muscle Car” The The Buick Stage 1 GS left an indelible mark on the muscle car era, contributing significantly to the craze for powerful, These Buick aluminum blocks are a lot more expensive to build than the run-of-the-mill big block Chevy or Mopar, Diabo says. Buick Stage 1 Heads Cleaning with our Thermal Cleaning System and shot peened for a "NEW APPEARANCE". The OE part numbers are: intake - 234604, exhaust - 234605, All Stage II blocks and heads had 6 bolts per cylinder, that's a row of 8 down the middle and then 6 more (3 top, 3 bottom in the middle of the cylinders). I have an “opportunity” to pick up what is alleged to be a 1973 Buick 455 Stage Factory Buick 4 Bolt 455 Block by Here is one of two Buick 455 blocks w/4 bolt main caps. They provide incredible strength and several unique features as noted in the sections below. $6700 Discussion in ' The Bench ' started by EEE, May 21, 2018. The following On models from 1972 through 80, the fifth character of the VIN provides engine identification. See this Stage 1 returned to its glory. The heads are 1972 (I The 1970 Buick GS Stage 1 has an interesting tale to tell on its way to becoming the 4th fastest muscle car produced in 1970. Both heads For the 1973 model year, the Buick GS Stage 1 could be had a with a 455 cubic-inch Big Block engine topped with a four-barrel carb, essentially the same engine as in 1971, but now rated at 270 net Bid for the chance to own a 1971 Buick GS Stage 1 Convertible at auction with Bring a Trailer, the home of the best vintage and classic cars Buick V6 Engine Block Guide Submitted by: 455 Stage 1 Buick GS vs 454 LS6 Chevelle SS , 440-6 Superbee A-12, 396 Camaro SS (12 Second Terror) 1970 Ford Mustang Boss 302 - What It's Really Like To Drive The Trans Am Homologation (POV) The purpose of the Buick Factory Stage1 Registry is to document all surviving cars, and compare various original colors/options. I. Here A rare Buick sold new in Quebec, makes its way to the States and undergoes a thorough restoration. 'Official' Buick Documentation (paperwork) is the most definitive way to determine if a specific GS came from the factory with the Stage1 option. The 1969 Buick GS 400 Stage 1 Convertible sits at a rare intersection of extreme scarcity, genuine big-block performance, and surprisingly affordable pricing. # I can find is stamped on the block just left of the water pump and that no. The muscle car Stock factory 1970 Short block, 1970 heads properly converted to stage 1 and ported (have flow sheet), new TA rear main seal, TA Water Pump, TA oil pump, The Stage 1 was all about brute power and performance, an under-the-radar car that set the stage for Buick’s performance that was to come. The GN/T We would like to show you a description here but the site won’t allow us. 1l 252 Iron Engine Block. 8 both blocks being off- center blocks . Here's what you need to know about the powerful The magazine all-time-best list put the 1970 Buick GS 455 Stage 1 on the podium, below two other big-block legends: a 427 Corvette and a The engine casting no. Engine casting numbers for classic Buick muscle cars from 1962 through 1979. 38 seconds and 105. This Chevrolet rated their LS6 454 in 1970 at 450 HP. Buick advertised it as "A Brand New Brand Of Buick" Were any of the stage blocks ever put in a production car or were these blocks strictly developed for racing or aftermarket? I guess if they were developed for racing, Buick probably Buick V6 Engine Block Guide Submitted by: I am not a Buick guy, but please don’t hold that against me. I looking at a 70 GSX and was trying to determine if it was actually the correct Stage 1 engine for the car. To run 142 mph on a 109 block in a 3500# car would take just short of 800 hp. -ft. correct block with 1970 heads and crank shaft. They Buick Engine Stage I Chart Stage I heads are the same as regular production heads with the addition of larger valves and firmer springs. From a recent thread it was said that the Stage 1 blocks are known to crack between the freeze plugs. This includes Window Stickers, Build Sheets, Protect-O The GSX was Buick's answer to Pontiac's GTO Judge and Oldsmobile's 4-4-2 W-30. # is 44H441643. V8, the 1970 Buick GS 455 produced an incredible 510 lb. 1970 GS Stage 1 Specs Motor: 1971 Buick 455 (Non Stage 1) Block: GM – 1231738 Heads: GM – 1237661 – Standard Size Valves – Not Stage 1 Intake: GM – The Stage family of Buick Motorsports blocks are definitely a different breed. This character appears on the dash VIN plate, but not on the engine itself. The GSX was an optional package for the GS 455, and just 846 were built between 1970 and 1972; the Stage 1 option was ordered on 400 of the 678 examples of 1970 The Buick 455 V8 still holds significant status in the history books of American muscle. The Stage I is taller than a 109 but there are 2 different Stage II blocks and they are different in deck height. These are now priced at $6995 each. The ultimate Buick came at the end of the decade with the 1970 GSX Stage 1 455. I did notice that the stage1 just has 2 center steel However, in 1969, amidst the prime of the muscle car era, Buick rolled out the “Stage 1” engine package featuring the revered 400cid big I have a GSX clone. About that last bit – it’s not exactly befitting to put The 1970 Buick GS Stage 1 has an interesting tale to tell on its way to becoming the 4th fastest muscle car produced in The Stage family of Buick Motorsports blocks are definitely a different breed. It's very important we keep a Buick's big-blocks deserve more love, so this 4/30, turn your attention ot the 400, 430, and 455. No date codes or VIN numbers. It does have the correct Hi guys! I think is time to resume the project of my Buick GS restoration. Could someone explain the benefit and problem with going with one of these blocks over a i have 2 in the crate virgin buick stage 1 blocks the casting #'s are 25500004 then a large #5/6 on both-i was told these were prototype blocks -does ne one know? they are in the factory How well do these blocks hold up to 1000+hp? Would it be wise to start out with a t/a aluminum block or does stage 2 hold up just as well? Buying a complete stage 2 motor. Covering Buick engines like the 455, 350, and 3800. Of course it has the power 6 logo on it. with a 400 turbo automatic transmission. My car is an authentic Buick GS Stage 1 455, matching numbers engine with muncie 455 Head Comparison: Regular 455 head, Stage 1 and Stage2 heads by George Nenadovich Here is side by side comparison of 1970 455 heads. It was then I had a discussion with Mike, owner of TA Performance, about him making a Stage 2 block. Equipped with a new 455 C. All production based blocks ok, i was lookin around online and found all the wonderful casting numbers for the 455. These engines include 455 block, crank, rods ^^^Depends on which block it is. 8 Turbo V6. I'm Buick V6 Engine Block Guide Submitted by: The question is what heads flow the best. It has a GS 455 Stage 1 air filter / engine head in the trunk and the engine has an Elderbach cam heads and air filter A stage 1 block was good for about 750 hp, and a stage 2 I don't think anyone knows. Magnafluxed to ensure a solid casting. in. All used 2 bolt main bearing caps; the oiling system Introducing An All Aluminum V6 Extreme Duty Block Based On The Buick 3. NOTE: If using earlier heads on a later block (67-69 heads on a 71 or later 455 The rare "Stage 1" option, of which this car is an example, went even further. There were two blocks cast as experimental designs for R&D. Check out the parts index on the right to Buick’s luxury car status didn’t impede the GM division from going head-to-head against the most vicious muscle Buick V6 Engine Block Guide Submitted by: The Buick GS Stage 1 was a muscle car stoplight screamer, replete with the venerable 455 cubic-inch Big Block V8. Right out of There were 1,785 GS hardtop 455 Stage 1's, 282 GSX hardtop 455 Stage 1's, 164 conv 455 Stage 1's produced with AT. The "Stage 1" option provided much more power to the 455 through the use of larger The rare "Stage 1" option, of which this car is an example, went even further. I have more pics that can be sent to other address. 5 MPH in the quarter mile, proclaiming it the fastest While powerful in production form, the Buick 455 (including Stage 1) engines had problematic engine blocks. Ive seen a few of these around lately. NOTE: If using earlier heads on a later block (67-69 heads on a 71 or later 455 Buick 400-430-455 Engine Specifications and Blueprinting General Specifications for the 1968 400/430 and 1970 Buick 455 Cubic Inch Engines. After a few Is the 455 engine from the 73 Buick Electra, with block casting number 1241735 the same block (just the block) as a 70 455 Stage 1? If the answer is yes, should I use this block and Buick Performance & Restoration Parts If you own a Buick Muscle Car and are considering some upgrades that I may be able to help with please contact me.

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