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I'm not smart enough to give you a hard & fast answer, as there are just too many variables involved - cam timing, operating temperature and head material to mention a few (aluminum heads help by...

James,
Something to consider, "premium" pump gas varies from place to place, so if you're planning on this being a driver any distance from home you might want to dial back the compression to...

No sarcasm. A 20% loss is subtracting 20% from the flywheel number, not adding 20% to the rear wheel number. If you're looking for 400RWHP then 400 = 0.8 x Crank Horsepower, which says you need...

Welcome to CHR from a UofA Razorback now in Kansas. You pointed out that your block is already 0.040 over, so it's clear you're talking nominal numbers as opposed to specifics on your cubic inches,...