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

4l85e vs 4l80e What'she difference?

Old Dec 12, 2011 | 02:28 PM
  #11  
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Originally Posted by 1989k1500
All 80Es do have the same ratio. The other ratio offered is the same as a 60e
GM never made any other ratio for the 4L80E or 4L85E in a production vehicl
e. 2.48, 1.48, 1.00, and .75.

Straight cut gears are actually weaker and don't lube as well. They were used in heavy vehicles to eliminate thrust loading.

Stock 4 pinion planets are proven to around 2000 HP, spend your money elsewhere.

Last edited by Vince B; Dec 12, 2011 at 06:22 PM.
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Old Dec 18, 2017 | 03:25 PM
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The 4l85e has 2 extra clutchs i beleive
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