Quote:
Originally Posted by RotaryProphet
I actually ran those throttle bodies (obviously the two rotor, not the three rotor version) on my stock internal 12a motor (with a big honking Master Power 70mm turbo on it, and a Megasquirt controlling EFI) and made 238 RWHP @ 13.5 PSI of boost. They're -fantastic- throttle bodies, and I have the dyno sheets to prove it.
The same exact setup but with my bridgeport 12a yielded 398 horsepower at the flywheel on my engine dyno @ 7psi of boost at 11,250 RPM. So they can definitely breath. (Side note, the engine was practically un-driveable on the road... so.. yeah. What do you expect?)
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Curious as to the liftime of the turboed stock internal 12a... how many miles have you driven it for and are you willing to provide details for the build?