topping out at 60MPH - help

96REDSLED · Aug 5, 2015

My 96 Dodge automatic 5.2 magnum is topping out in overdrive at 60mph. The truck has cold air intake, throttle body spacer, and headers. Once i hit 60 on my speedo, i loose vacuum, a/c, and power. I am running stock gears for now, but planning on going to 4.11. My truck has a 6 inch with 35x12.50R20 on it.

codered · Aug 5, 2015

for 1 those big tires will do it, invest in some dana 60's they're the better axle to build onto. 4.11's are chevy 4.10's are dana. you're either running dana 44's or 44/9.25, but, the engine at hand does it use more oil than usual? have you checked you emmisions system catalytic converter, muffler, ETC ?

96REDSLED · Aug 5, 2015

cats have been cut off - running short tube headers y pipe and single flowmaster. Engine doesn't use a bit of oil. dana 44 front, and chrysler 9.25 in rear

topping out at 60MPH - help

96REDSLED

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codered

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96REDSLED

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