HELP HELP HELP!! Need to Id this BOP rear end.

bracketchev1221

Royal Smart Person
Jan 18, 2018
1,079
113
I would make really sure the support is there. Maybe 8.2 Chevy rear, not so sure on a few year only rear.
 
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Jason14x

Not-quite-so-new-guy
Thread starter
Mar 28, 2021
26
3
Did the BOP research ....the support I'm looking for is there !
 
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spidereyes455

G-Body Guru
Mar 6, 2013
634
93
Northeastern PA
The only real drawback of the BOP 8.2 rears is the availability of ratios. I think they only make 3.36, 3.55, 3.73, 3.90 and 4.11. And the fact that since they aren't chevy parts they cost twice as much.
 
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Jason14x

Not-quite-so-new-guy
Thread starter
Mar 28, 2021
26
3
I have found a full Auburn kit WITH posi diff...585. 00 . And 3.36 was the ratio I was thinking !!
 
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Longroof79

Rocket Powered Basset Hound
Oct 14, 2008
11,474
113
Gainesville, Fl
. We could use the late great pontiacgp right now. He had that rear in his '85 GP.
Mark, My thoughts exactly. I remember him saying he was using the 8.2 rear in his GP. I believe he said it came out of an A-body.
 
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565bbchevy

Geezer
Aug 8, 2011
8,647
113
Michigan
Also all of the A-body rear ends are 2-4" wider depending on the year than a Gbody rear end which will require different rear rims to fit correctly.
Spring perches should be moved to the top of the axle also
 
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Bonnewagon

Geezer
Sep 18, 2009
8,274
113
Queens, NY
I remember Steve saying he got some replacement upper A-arms that corrected the geometry. But I think the maker went out of business.
 
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Texas82GP

Just-a-worm
Supporting Member
Apr 3, 2015
7,206
113
Spring, Texas
I remember Steve saying he got some replacement upper A-arms that corrected the geometry. But I think the maker went out of business.
I think UMI made him something custom.
 
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Longroof79

Rocket Powered Basset Hound
Oct 14, 2008
11,474
113
Gainesville, Fl
Also all of the A-body rear ends are 2-4" wider depending on the year than a Gbody rear end which will require different rear rims to fit correctly.
Spring perches should be moved to the top of the axle also
He did mention that the rear was wider, but he compensated by using rims with a wider backspace...besides using the aftermarket upper control arms.
 
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