1st Generation Specific 1979-1985 Discussion

Rear End Information, Gsl, Gsl-se

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Old 04-26-2005 | 04:53 PM
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mazdaspeed7's Avatar
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Im looking for the specific differences between the GSL rear end with disc brakes, and the GSL-SE rear end. The bolt pattern is different, so the axles are different. Are they interchangable though? There was a change in the diameter/spline count of the axles for 1984. Are the axles interchangable with the corresponding differential?
Old 04-26-2005 | 05:10 PM
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Yes the axles will interchange.....you will need the repsective calipers and brackets for what axle you intend to use....



I converted a GSL diff to GSL-SE using the GSL-SE axles, the rear backing plates(caliper brackets), rear calipers and rotors. I used an 84 GSL housing and 85 GSL-SE axles..the rest of the stuff was purchased new....
Old 04-27-2005 | 01:31 AM
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so GSLSE has different axles and brakes ?
Old 04-27-2005 | 08:24 AM
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[quote name='vosko' date='Apr 26 2005, 09:31 PM']so GSLSE has different axles and brakes ?

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yep....just slightly bigger, the brakes I mean. the axles are pretty much the same except for the obvious bolt pattern difference, and a different shape to the rotor mating surface.....
Old 04-28-2005 | 01:03 AM
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but the actual rear end is the same size
Old 04-28-2005 | 08:13 AM
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[quote name='vosko' date='Apr 27 2005, 09:03 PM']but the actual rear end is the same size

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yep.....same lsd and all that.....
Old 05-02-2005 | 02:18 AM
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[quote name='Black8' date='Apr 28 2005, 08:13 AM']yep.....same lsd and all that.....

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i have another question about the bolt pattern is there a way to use the 4x110 on the GSLSE rear instead of the 4x114?
Old 05-02-2005 | 08:48 PM
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[quote name='vosko' date='May 1 2005, 10:18 PM']i have another question about the bolt pattern is there a way to use the 4x110 on the GSLSE rear instead of the 4x114?

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That's why I switched mine out to get away from 4x110! My GSL had posi and SE had posi just wanted the 114 bolt pattern to have a better selection of wheels to chose from.
Old 05-03-2005 | 11:33 AM
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[quote name='vosko' date='May 1 2005, 10:18 PM']i have another question about the bolt pattern is there a way to use the 4x110 on the GSLSE rear instead of the 4x114?

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Pretty much the stuff just in reverse...but like that dude said....why? 4X110 is the devil....and lug bolts suck. The screw in studs are junk.
Old 05-03-2005 | 11:47 AM
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doesnt GSL only get a 3.9 vs the 4.1 from a GSLSE, also?



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