Any HP gain differences between tuning an auto vs 5spd
#1
Any HP gain differences between tuning an auto vs 5spd
I've been wondering what differences in HP gains if any there are between an auto trans 6.0 and a 5spd 6.0? My buddy has a Joe Gibbs 5spd and he's been wondering what the difference in gains are also so thought I'd ask for him.
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If you're talking about a regular tune EfiLive or HPtuners well of course! The only thing in the tune that is played with for automatic is line pressure, shift times, upshift/downshift etc etc. The increase in power comes from adjusting parameters on the engine, not the transmission.
#6
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GM vehicles are pretty rich from the factory and at about 4500 RPMs have almost 5 degrees of spark retard.
Thin it out some and reduce the knock, the engine will perform better by being able to span the RPM zone quicker. Apples to Apples.
Now throw in the transmission tuning for quicker and firmer shifts, and the autmomatic would feel much faster.
If both engines put down say 400 HP to the wheels, Id put my money on the tuned automatic to win
Thin it out some and reduce the knock, the engine will perform better by being able to span the RPM zone quicker. Apples to Apples.
Now throw in the transmission tuning for quicker and firmer shifts, and the autmomatic would feel much faster.
If both engines put down say 400 HP to the wheels, Id put my money on the tuned automatic to win
Last edited by Vince B; 10-14-2012 at 05:04 PM. Reason: Signiture rule violation.
#7
If you're talking about a regular tune EfiLive or HPtuners well of course! The only thing in the tune that is played with for automatic is line pressure, shift times, upshift/downshift etc etc. The increase in power comes from adjusting parameters on the engine, not the transmission.
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