1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

gslse vs gsl differential?

Old 01-28-04, 11:43 PM
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gslse vs gsl differential?

Ive heard they are different. is this true and if so, how are they different?
Old 01-28-04, 11:46 PM
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SE one is heavier, I know that.
Old 01-28-04, 11:47 PM
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GSL= 3.91 gear
GSL-SE = 4.10 gear

The '84-85 GSL and GSL-SE is the same other than the gear ratio. The '81-83 GSL used smaller axels, and had some other variations that were upgraded in the '84-85 modles.
Old 01-29-04, 08:12 AM
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Okay, so you're close. The SE has one less clutch than the GSL unit to make room for the offset of the pinion (slight) with the bigger ring gear. GSL has slightly taller gearing and a little more bite. I put my GSL diff back in my axle when I swapped the SE axle in.
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