what is the safe max RPM

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Jun 27, 2011 | 01:15 PM

turbo2332

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From: Indiana

what is the safe max RPM

what can a 12 valve handle? differences with a stock harmonic balancer vrs an sfi approved balancer?

Jun 27, 2011 | 01:32 PM

12vcummins96

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From: Pearland Tx

safe is 4k anything over that and you need an aftermarket balancer

Jun 27, 2011 | 05:56 PM

94 12valve

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From: Pylesville, Maryland

Quote:

Originally Posted by turbo2332

what can a 12 valve handle? differences with a stock harmonic balancer vrs an sfi approved balancer?

well north of 5k

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