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#1
10-08-2009, 01:28 PM
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V6, 3.3 L, 200 CID Engine
can i use a V6 3.8L 229/231 CID Engine for my 78 GP ?!
if yes : how can i find one of them and price?... if no : which one of GM engines what are under 4L is best item to use on a 78 GP ? Last edited by cyrus_the_great; 10-08-2009 at 02:16 PM. |
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#2
10-11-2009, 10:58 AM
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1`st off, the 3.8L 229 is a sawed off 305, so it`s chevy based and has a chevy trans bolt pattern and the starter on the pass side. The 3.8L 231 is a buick based v-6 and would prolly be a better choice for a pontiac car. The 3.3L is also a buick v-6 but are hard to find. I think the 3.3 is front drive only.
I think all 229`s are carb versions and rear wheel drive, while the 231`s started as carb but went on for a long time and come in lots of versions so, you`ll have to be carefull which one you use. Some are made for front wheel drive only. |
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#3
10-11-2009, 09:26 PM
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Over 200,000 Grand Prix were built for the 1978 model year.
Many of them had the 231 Buick V-6 from the factory. If your GP already has a 301 V-8 (fifth digit of VIN = Y or W), a 231 cubic inch V-6 will be easy to bolt in. Only the engine mounts may be slightly different, but easy to change. 231 V-6 Buick, VIN code A are plentiful. In America, you can get a running one for $100. A good one with known low miles, you could get for $200, if you bargain well. Some 1978 Grand Prix had a 305 V-8 Chevy engine from the factory. Fifth digit of VIN is U for that engine. If it has that engine, I would try to find a 229 V-6 Chevy to install. Chevy did make a 200 cubic inch V-6 in 78-79. That is very uncommon to find. It was installed in Monza, and in very few Malibu and El Caminos. VIN code M = 200 cubic inch V-6
__________________
 Seeking recovery of my stolen 1988 Buick LeSabre T-type. Primary summer driver & Road Trip car. Garnet Red with 2007 PENDOT inspection stickers on windshield. Had minor damage to left rear quarter & bumper. Last three of VIN: 301 Could be being driven with altered VIN. Bodywork on left rear quarter (near the tail light) would be a tip-off. Last seen by a patrol officer doing a routine plate check in Gary, Indiana, August 31, 2009 (The thieves were driving, but my plate was clean.) Last edited by Lightfoot; 10-11-2009 at 09:38 PM. |
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