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without changing to solid valvetrain (ala GT-R)- no more than stock. and even then, you'd be unwise to run higher cylinder pressures combined with higher revs on internally standard engines. more revs kills stock engines more easily than a sensible boost up/turbo change.

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CCCP, I hit the redline all the time. Even though it's at 7200 rpm, seems to go a little higher - maybe about 73-7400 rpm, then it comes back down, like it bounces. I like the sound it makes.

I know what you're asking but matey, don't increase it at all.

Isnt when bouncing of the rev limiter you get flames coming out of your exhaust?

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just bounce it off the limiter

its there for a reason

wont to any damage

do it at lights to gee people up before u race

bounce it all the time... dont even look at your tacho just wait till the car wont go any faster in that gear then change

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