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Thank you for your responses!

I see that is Comp XR290HR cam, I am going to use the XR276HR cam. My bottom end is all stock. Comp recommends 9:1 compression with the 276 cam. With a 10cc dome I get 8.8 and 21cc dome I get 9.6 on...

Well thanks for the reply. Geezer what is your secret build combination? What carb, intake, cam, heads, etc. you are running that made so much horsepower? Did you have the engine dyno tested to know...

Thanks for that reply.
How about a 21 cc dome that is around 9.5
Is that street and 89 octane friendly?

Building a daily driver to replace the little 327. I am replacing it with some displacement! It is a 85 C-30 454 motor. It has small oval port heads with standard small valves. Three angle valve job...