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GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

05 Escalade EXT 2wd 4l80e

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Old 10-05-2017, 05:11 PM
  #21  
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Originally Posted by madmann26
I would ask around some more before making a decision Edward.

RPM drop off is 3 things:

1. Trans gearing
2. Rear end gearing
3. Converter

With my FTI 3800 single disk at WOT, my RPM drop off is 500 RPMs. Light throttle is more drop.

Your 3200 converter has a drop off of around 1300-1500 RPM, right?
I don't even know man I haven't monitored the Rpms
Old 10-05-2017, 07:56 PM
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madmann26 is right your better of talking with the guys that run boost to be sure?

i had a few 4.10's in my trucks and hated every one on the highway! yeah from a red light they rock you come out of the hole pretty good but on highway runs and cruising they sucked ***** imo especially at 130+ mph!
Old 10-05-2017, 08:09 PM
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Originally Posted by stroker87
madmann26 is right your better of talking with the guys that run boost to be sure?

i had a few 4.10's in my trucks and hated every one on the highway! yeah from a red light they rock you come out of the hole pretty good but on highway runs and cruising they sucked ***** imo especially at 130+ mph!
I agree...i ran 3.73 with my "built" 60e until I killed it for the 3rd time. Once I swapped in the 80e, I went 4.10. It is my DD but no freeway driving is involved. The few times I've taken her on the freeway the RPMs are up there around the 80mph mark so I don't take her on long trips often.



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