Rev limitor
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Senior User
Joined: Nov 2007
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Rev limitor
I have a 91 injected 302, and was wondering how I could bump the the rev limitor up to 6000 rpm or even just take it out. Guess I picked a tad to low of a gear ratio for my drivetrain combo and some times find myself in a position where I have a more power to use but not enough to grab another gear or maybe cant afford trying. What can I do? Buy some 39.5's to help the gear ratio! haha not in the budget at the moment as Id need to upgrade my front end first. Seriously though, is there anything I can do? I dont know much about the computer or anything so I dont even know if its possible
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
A stock motor makes peak HP at around 4500rpm so reving it more is just making noise. I suspect you are not hitting a rev limiter just floating the valves if the motor looses power up there now.
Hotshot
Joined: Jul 2002
Posts: 14,285
Likes: 12
From: Bend,OR
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Senior User
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4.88, 4.56 would have been a better combo but I didn't wanna be wishing I went lower when I had the chance. I wouldnt trade my first gear/low range ratio for anything
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Hotshot
Joined: Jul 2002
Posts: 14,285
Likes: 12
From: Bend,OR
weird your hitting that rev limitor so much are you strictly mud running?
i have that very ratio and 35's and love the combo but i have an auto also. when you drive your truck on the street you dont start in 1st gear do you?
i have that very ratio and 35's and love the combo but i have an auto also. when you drive your truck on the street you dont start in 1st gear do you?
Elder User
Joined: Jan 2009
Posts: 774
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From: East Tennessee
Is it safe to be pushing these truck engines to 5500-6000RPM anyways with stock internals? I know they are losing power up there, but I'm just curious. I know the 302 is a revver with the 3" stroke, but I'm just curious.
