Reply to "What Cam?"

George PAdmin.

Dennis, don't bother, nothing to be gained. Your motor has a dismal 8.0:1 compression. Closed chamber heads or flat top pistons would bring that up to 8.8:1, which would be good. Milling just won't make a big enough "dent" to make it worth your while.

You'll have to phone Comp's tech line to find out their compression recomendation for the cam, my "guess" is it will be around 9.5:1. That's just a guess, not a recommendation. If they give you a range of compression, for instance 9.0:1 to 10.0:1, my recommendation is to run on the low side. Compression is NOT a big horsepower maker, not on a street motor burning pump gas. It's purpose is to compliment the characteristics of your camshaft, cylinder heads and fuel.

If you're contemplating a head job to install new stainless vales, new springs, etc, you might consider finding a set of closed chamber heads and reworking them instead. There are closed chamber heads on ebay constantly.

Your friend on the DTBB, George

1/21/0611:01 AM

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