Rpm
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Senior Member
Joined: Feb 2010
Posts: 497
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From: East Tx
Rpm
I Have an 06 F-150 4.6 that I am tuning. I am wondering what the highest safe RPM the engine can handle on a day to day basis. Right now I have it shifting out at 5250. That is when the cam seems to be pulling its hardest. So how far can these things rev safely?
Last edited by Cold; Feb 4, 2010 at 10:34 PM.