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1993YJr 06-21-2013 12:42 AM

1991 4.0 lower max torque rpm
I need help picking a cam to lower the max torque from 4000 to a usable 1800 to 3000.

roadyrob 06-21-2013 06:18 AM

check comp cams, they have a cam selector program where you enter your motor specs

C.L. 06-21-2013 06:37 AM

Pinch your exhaust pipe; a bit of back pressure will help the low end torque.

1993YJr 06-21-2013 11:39 PM

Never heard of pinching the exhaust pipe. I'll try the comp cams approach and look into the other. Thanks for the answers.

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