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-   -   7.5 gear change (

225buick 10-15-2002 07:02 PM

7.5 gear change
my 78 buick gears are gone, driveshaft just spins. ive changed a chevy ring gear before but never a pinion.i have some gears from an S-10 I would like to swap out, wondering how much more dificult it would be changing ring n pinion. yeah the swap would be 2.41 to about 3.40-3.73 not sure.any help appreaciated. 10-15-2002 07:16 PM

not the same rearend, not a compatible swap, check your spider gear shaft they had a bad wear and breakage problem.

225buick 10-15-2002 07:21 PM

there both 7.5 inch 10 bolt rear ends 10-16-2002 03:43 PM

YES they are both 7.5 rears but gm. did a redesign in 88 that changed the size and number of axle splines and side gears , axles are not interchangable

225buick 10-17-2002 05:54 PM

I think it came out of an 86, not sure. any sugestions on how to tell. Thanks 10-17-2002 05:57 PM

the only way to tell is to pull the rear cover compare the two, if they are the same you are in luck.

225buick 10-17-2002 06:00 PM

will do, thanks for your help.

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