Quote:
Originally Posted by toehead93
Yes and No, maybe. If 4th gear is a 1:1 ratio then you won't see the power on a dyno which is pulled in 4th gear, but gears 1, 2, & 3 will see gains. Gears also push the power band forward so peak torque shifts to a lower RPM. Check out this link:
http://thehorsepowerjunkies.com/vehi...swappin-gears/
Now even though the 1LE has 3.91 gears it won't make such a big difference because the trans is also geared differently. |
That was a good read.... even a newbie like me can begin to get the jist.
Quote:
Originally Posted by Kent2010
I'll have to respectfully disagree with you if you are saying that dyno numbers will markedly improve just because you switch R&P gears. If that was true, then ALL dyno tests would be run only in 1st gear, because its the lowest numerically and delivers, by a very wide margin, the most 'torque to the ground' to the rear wheels, and thus would give the highest result out of all the gears in the transmission. In real life, many cars give the best dyno numbers in 3rd or 4th gears.
Also, an engine's peak torque doesn't move in the rpm band just because you switch gears -- it just becomes available at a lower vehicle speed. Maybe that's what you meant?
Cheers,
Kent
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So the useable torque is what GM was going after with the change of transmission and the gears. So not only peak numbers but the dyno curve will also be interesting. Wonder how this will affect tunes and bolt ons?