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Pfiffle · July 15th, 2006, 10:22 AM

The optional engine in your year Olds was a 307 V8. About 145hp, I believe. I do not think that your V6 tranny is a good match for it though. If you want a growl, some sort of "turbo" muffler will get you some sound. A local Mieneke will do that. Your 231 v6 is getting around 110hp, give or take. They (GM) did put 4 barrels on some pontiac Gran Prix's with that motor in the 80's. My friend had one in High school. He turned the air cleaner cover upside down and got some more noise. But anyway, if your going to replace the engine, maybe a 350 Olds Rocket engine will get you in the right direction, as the size of it is no bigger than a 307 and you get more cubes, which is the easy way (typically) of getting more power. But, you most likely have a light duty trans. that won't hold up to that. To sum it up, look for a 307, or better yet, a 350 if you want more performance, to start. Then you have emmisions, gear ratios, etc. But that I'll leave to more knowledgable people in this group. But you came to the right place. Good luck.

July 15th, 2006, 10:22 AM	#2 (permalink)
Pfiffle Registered User Join Date: Jul 2006 Posts: 123	The optional engine in your year Olds was a 307 V8. About 145hp, I believe. I do not think that your V6 tranny is a good match for it though. If you want a growl, some sort of "turbo" muffler will get you some sound. A local Mieneke will do that. Your 231 v6 is getting around 110hp, give or take. They (GM) did put 4 barrels on some pontiac Gran Prix's with that motor in the 80's. My friend had one in High school. He turned the air cleaner cover upside down and got some more noise. But anyway, if your going to replace the engine, maybe a 350 Olds Rocket engine will get you in the right direction, as the size of it is no bigger than a 307 and you get more cubes, which is the easy way (typically) of getting more power. But, you most likely have a light duty trans. that won't hold up to that. To sum it up, look for a 307, or better yet, a 350 if you want more performance, to start. Then you have emmisions, gear ratios, etc. But that I'll leave to more knowledgable people in this group. But you came to the right place. Good luck.