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Old 02-14-2023, 02:44 AM   #4
Accelo
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Join Date: Mar 2015
Location: washington
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Re: 6l80e or 6l90e in a C10

The final gear ratio is not the same as the 4L60's.
The 700R4/4L60E/4l65E/4L70E all are 1 to one in third and 4 is a .7:1 overdrive.

The 6l80E has two OD ratios, both 5th and 6th.

5th gear is almost identical to 4th (OD) in the 4L60. at .7 to 1.

The 6L80's 6 gear is .5 to 1, nominally.

Last edited by Accelo; 02-16-2023 at 01:04 PM.
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