Transmissions and Drivetrain Need help with your trans? Problems with your axle?

4L80-E with 1.75 2nd Gear?

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Old 08-23-2008, 05:56 AM
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4L80-E with 1.75 2nd Gear?

Does such a tranny exist? Check out these links:

http://www.gmpartsdirect.com/perform...ATID=1286.html

http://www.crateenginedepot.com/stor...59-P721C0.aspx

http://www.tlc4x4.com/2000/Conversio...ansmission.htm

And in the 2008 GM Performance Parts Catalog it's listed as part number 19156259

Is it just a typo?
Old 08-23-2008, 08:19 AM
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Car: 87 IROC L98
Engine: 588 Alcohol BBC
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Axle/Gears: Ford 9"/31 spline spool/4.86
Re: 4L80-E with 1.75 2nd Gear?

Yes 4L80E is a typo. All those listings are for a 4L60E

As for the gear ratio, it's possible to get different ratios in automatics.
Old 08-23-2008, 01:46 PM
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Re: 4L80-E with 1.75 2nd Gear?

Yes, I'm an idiot. I meant to type 4L60-E. :-)

Still, I'm not quite so sure a 4L60-E with a 1.75 2nd gear from the factory really exist. And yes, I'm aware it's possible to get different ratios for automatics, but it's been a very rare commodity for this tranny and you would likely have to go to the aftermarket for such a gearset.
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