Thread: cast vs aluminum heads

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Originally Posted by rumrumm

I have not tried to run 89 octane because I am "on the edge" so to speak of being able to successfully run 92/93 octane. But I built the engine knowing that would be the case. It has a .039 quench area, AFR 190 heads, a CompCams 280 Magnum cam, Edelbrocks RPM intake and 750 carb. I a very satisfied with the performance and its street manners.

I.M.O.,a cam with similar duration and lift but with a 106 lobe seperation and would solve your problem.

Thanks for the post, Erik. You're right about the lobe center, but since I run power brakes, I was concerned about vacuum.

Originally Posted by rumrumm

Thanks for the post, Erik. You're right about the lobe center, but since I run power brakes, I was concerned about vacuum.

Do you have room for an aux. canister?

No, I don't. There is so little room anywhere inside or under a '32 Ford body that I didn't want to deal with one.