86 Cam question...need help
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Intermediate
Joined: Mar 2003
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86 Cam question...need help
I know that the '87s were the first year of the roller cam cut blocks. Did the late model aluminum head coupes share this design. Anyhow, I have one of the end of year production '86 coupes with the aluminum heads, and I was wondering. I found a great roller cam for it, but I was informed that it is not possible. Short of pulling the intake and looking at the lifter valley, I don't know what I have.
Thanks for the help!
Mark
Thanks for the help!
Mark
Drifting
Joined: Apr 2003
Posts: 1,379
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From: rome ny
all 86 vette with iron or aluminum heads have a flat tappet cam it them. the cost of the retro fit roller lifters are around $400 and you will need shorter pushrods. for the price of the conversion it is not worth it. tpis has a very nice flat tappet cam for your car. it is a 224/224 duration with a .500/.500 lift. all you would need to do is change valve springs. that cam woth stock heads is probably good for 35 hp maybe more.
Thread Starter
Intermediate
Joined: Mar 2003
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Originally Posted by geezel
I put the TPIS P/N 700-135 cam in my 86 aluminum head Vette and like it a lot. Total parts $524 for cam, lifters, springs, timing set, seals and gaskets.
