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i did my 4.3 back in 2000. there were 90 cranks made back then but $$$$

well yes that what i said tpi cam will not work and many other will not i knew that on my last 350 build for my customer had a cam ground with one of ersons very small master with not alot of dur...

ok ? it the 500 lift thats is not going to get you a trouble . you still have to trick the map ?? .you can bolt a carb on it to . all i am saying is the STOCK TBI will not take a big cam you know...

cams he listed are small so they can work with you engine look at the list he has. if you have your numbers of your cam see how they match up .if yours is bigger then whats listed a chip s just is...

with the TBI you can not run a big cam you must have good idle a round 500 rpm and good VAC if not if may idle like a top fuel digger .from all i know and i have talk to many the MAP just can not...