The Mud Pit > Wrenching

Redline

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Swagger:
Is there any way to extend the factory redline on a stock 4.0 a couple hundred to a thousand RPM's?
I know on my old mustang, (1968 302, stock GT HP302 motor) when i changed the distributor from a points style to an electonic set up, i gained almost 1600 RPM's of power band. I know that specific scenario doesnt apply to a modern jeep engine but is there anything else that can be done.

Also, NV4500 or AX-15? which one is the best bang for the buck. i wanna go manual, rolling 37's i have to stay geared down to 4.10's or near that to keep my RPM's from being rediculous at speeds over 45mph? So to gear up to 4.56's or 4.88's, i i want/need to do a tranny swap so i dont end up grenading my 32RH factory 3speeder.

Axle:
NV4500

Swagger:
So expensive. Worth it?

Mr Rock:
O
--- Quote from: Axle on March 05, 2011, 01:21:53 AM ---NV4500

--- End quote ---

X2 it is a little stronger than the AX15.

skibum:
I think the only way is with an aftermarket tuner like Superchips to gain more RPM"s. There are other options but you will need to do research.

The AX15 is a great trans but if your going to go bigger with your rig some day than it might be worth it to go with the NV4500.

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