I have a 1989 Caprice Classic wagon, cherry condition, but has a well worn weak 307. Want to put a built 350 in it, smog is not an issue, dump the ecm stuff, with headers and 350 turbo trans. See any major problems with this idea??
I was going through the same thrash ie 350/454 and after considering the price of parts to build a 350, it's worth a little extra to built a 454. As I understand it, the 454 is a little heavier and two inches longer from the front mounts forward, but the end result in the performance dept. make it worth it. What I intend to do is buy an old rusted out Suburban, or wagon with the 454, part it out, use what I can, then sell or junk the rest of it. It's amazing how much cheaper it is to buy an old car complete than it is to buy just an engine. Good Luck!
im talking 70-74 caddy 500s, but the modern DOHC northsar like ur looking at is another possibility, but caddy never made anything like an 8 liter, I think the Northstar is more like 6 L... I think that is what ur looking at.
there are saveral companys around that adapt many different style trannys to many different motors. infact i knew of a guy who ran a turbo 400 behind his 426 hemi in a volkswagon bus. i think one company is called trans adapt but dont qoute me on it.
me personaly i would stick with the 307 block and crank and get a set of camel heads or fuely heads and a good cam and a nice intake. game over you have one bad *** sleeper right there and it all fits nicley under the hood and you only spent about $900 dollars for everything you need. giving the fact that you find those heads and there in good condition.
Naw, you dont want an 81, they were crap, you want either a 70-74 429/500 or a mid 90s Nothstar DOHC. The 307 is worthless, because of the small bore... assuming .030 over with a 350 crank would get you 333 cubes, but It would take custom pistons and it still wouldnt breathe for crap... get a 350...
WAIT WAIT WAIT don't give up on the Caddy yet! I was about to put one together about 5 years ago but other things came around. It's still in my future.......
Check out <a href="http://www.cad500parts.com/" target="_blank">http://www.cad500parts.com/</a>
This is an awesome business. They've been around for a while and they have everything from mild to wild. Surf it for a while, everybody. Check out the wheels up '69 de Ville! Build a Caddy! 8.2 liters of luxo American balls! Yes! Yes! Yes!
[ May 26, 2002: Message edited by: ahilsinger ]</p>