I just want to see what some people are making on n/a 12A's with some mods. Dynos would be nice, but an educated guess will be adequate. Include the major mods youve done to get that hp.

the improved touring cars (stock port, carb, and headers) put down about 125rwhp.

Ya I've got just an Exhaust system upgrade right now - Racing Header, A steel pipe and an average but heavy duty muffler (Noisy, but the good kind of noisy) and I get about 125rwhp. Only upgraded my exhuast to gain a little. There is a new ported engine in the future, that seems to be the simplest way to go.

Excellent. Stay tuned.

on the other end of the scale the pp slide throttle mechanical injection race motors were rated at 280bhp at the flywheel

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Not exactly what I had in mind, but its going to be hot regardless.