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General Differential Questions
Questions about all other brand differentials.
Topics: 51

51 Topics

232 Posts

Last post Re: New rear end
by monzaz View the latest post
Mon Feb 05, 2018 10:26 am
10 Bolt Differential Questions
Topics: 191

191 Topics

1059 Posts

Last post Re: Forged vs. Cast Axle Iden…
by monzaz View the latest post
Sun Oct 21, 2018 12:21 pm
12 Bolt Differential Questions
Topics: 53

53 Topics

220 Posts

Last post Re: Olds Type 'O' casting date
by monzaz View the latest post
Fri Dec 14, 2018 11:16 pm
Custom Differential Questions
Topics: 15

15 Topics

32 Posts

Last post Re: 1978 monte carlo 8.5 10 b…
by monzaz View the latest post
Wed Apr 27, 2016 5:57 am
Race Differential Questions
Topics: 5

5 Topics

9 Posts

Last post 9" FORD AT THE TRACK STOCK TH…
by monzaz View the latest post
Thu Mar 31, 2016 8:57 am

Active topics

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Last post

HOW DOES A DIFFERENTIAL WORK!!!!! DIFFERENTIALS 101

Last post by monzaz « Thu Dec 29, 2011 11:58 pm
Replies: 3
by monzaz » Mon Feb 16, 2009 10:08 am

3 Replies

4490 Views

Last post by monzaz
Thu Dec 29, 2011 11:58 pm
Olds Type 'O' casting date

Last post by monzaz « Fri Dec 14, 2018 11:16 pm
Replies: 1
by GasRUp » Fri Dec 14, 2018 1:53 pm

1 Replies

129 Views

Last post by monzaz
Fri Dec 14, 2018 11:16 pm
Forged vs. Cast Axle Identification (BOP 8.2)

Last post by monzaz « Sun Oct 21, 2018 12:21 pm
Replies: 4
by 93Octane » Sun Oct 14, 2018 7:42 am

4 Replies

543 Views

Last post by monzaz
Sun Oct 21, 2018 12:21 pm
68 and up a body Chevy 12 width verses 65 Catalina width.

Last post by monzaz « Sat Sep 01, 2018 8:58 am
Replies: 1
by 652plus2 » Fri Aug 31, 2018 11:35 pm

1 Replies

653 Views

Last post by monzaz
Sat Sep 01, 2018 8:58 am
12 bolt ring gear 10 bolt cover/ 12 bolt chevy

Last post by monzaz « Tue Aug 28, 2018 12:47 am
Replies: 1
by 652plus2 » Mon Aug 27, 2018 2:24 pm

1 Replies

369 Views

Last post by monzaz
Tue Aug 28, 2018 12:47 am
1965 Pontiac 2+2 rear end gears

Last post by monzaz « Wed Aug 08, 2018 8:49 pm
Replies: 1
by 652plus2 » Tue Aug 07, 2018 9:01 am

1 Replies

661 Views

Last post by monzaz
Wed Aug 08, 2018 8:49 pm
1970 12 Bolt "O" Detroit Truetrac

Last post by monzaz « Mon May 28, 2018 5:39 pm
Replies: 3
by davel » Tue May 22, 2018 10:29 am

3 Replies

888 Views

Last post by monzaz
Mon May 28, 2018 5:39 pm
67 Catalina

Last post by monzaz « Wed May 02, 2018 7:32 am
Replies: 3
by 67cat » Mon Apr 30, 2018 8:59 pm

3 Replies

847 Views

Last post by monzaz
Wed May 02, 2018 7:32 am
1965 Pontiac tempest 8.2 10 bolt

Last post by monzaz « Mon Apr 30, 2018 10:28 pm
Replies: 5
by 1965 442 » Wed Apr 25, 2018 11:26 am

5 Replies

1017 Views

Last post by monzaz
Mon Apr 30, 2018 10:28 pm
65 rear axle question

Last post by monzaz « Wed Mar 14, 2018 1:01 pm
Replies: 5
by Classics65 » Sat Apr 15, 2017 8:27 pm

5 Replies

2038 Views

Last post by monzaz
Wed Mar 14, 2018 1:01 pm
New rear end

Last post by monzaz « Mon Feb 05, 2018 10:26 am
Replies: 4
by Islanddean » Wed Jan 31, 2018 11:23 am

4 Replies

1845 Views

Last post by monzaz
Mon Feb 05, 2018 10:26 am
8.5 Auburn Diff

Last post by monzaz « Sat Nov 04, 2017 5:39 pm
Replies: 3
by Bigpig455 » Wed Oct 18, 2017 1:43 pm

3 Replies

1714 Views

Last post by monzaz
Sat Nov 04, 2017 5:39 pm
Rear rebuild in Maryland

Last post by monzaz « Wed Oct 25, 2017 5:31 pm
Replies: 1
by dal290la@yahoo.com » Wed Oct 25, 2017 12:48 pm

1 Replies

1039 Views

Last post by monzaz
Wed Oct 25, 2017 5:31 pm
70 Buick GS 10 bolt 8.2

Last post by monzaz « Mon Oct 02, 2017 11:06 pm
Replies: 2
by Mike h » Mon Oct 02, 2017 9:18 am

2 Replies

1486 Views

Last post by monzaz
Mon Oct 02, 2017 11:06 pm
BIG thanks

Last post by monzaz « Thu Sep 14, 2017 12:19 am
Replies: 1
by Daniel828 » Sun Sep 03, 2017 9:07 pm

1 Replies

1669 Views

Last post by monzaz
Thu Sep 14, 2017 12:19 am
71 Buick 8.5

Last post by monzaz « Fri Aug 18, 2017 9:45 pm
Replies: 10
by Daniel828 » Thu Jun 29, 2017 5:54 pm

10 Replies

3780 Views

Last post by monzaz
Fri Aug 18, 2017 9:45 pm
8.2 posi

Last post by monzaz « Mon Aug 14, 2017 12:01 am
Replies: 3
by buickman7076 » Tue Jun 27, 2017 10:51 am

3 Replies

2178 Views

Last post by monzaz
Mon Aug 14, 2017 12:01 am
'70 12 bolt "O" strengthening.

Last post by monzaz « Thu Jul 27, 2017 8:00 am
Replies: 1
by mr.grim » Mon Jul 10, 2017 12:04 pm

1 Replies

1841 Views

Last post by monzaz
Thu Jul 27, 2017 8:00 am
8.5 switch from 2:73 to 3:42 gears

Last post by monzaz « Mon Jul 10, 2017 8:32 am
Replies: 4
by 73 Survivor » Tue Jul 04, 2017 11:57 am

4 Replies

2091 Views

Last post by monzaz
Mon Jul 10, 2017 8:32 am
GM 8.5"

Last post by monzaz « Thu Jun 08, 2017 12:14 pm
Replies: 1
by a2race@yahoo.com » Mon Jun 05, 2017 10:30 am

1 Replies

1681 Views

Last post by monzaz
Thu Jun 08, 2017 12:14 pm
10 bolt 8.2 BOP axle housing pins

Last post by Crankor « Fri May 19, 2017 7:54 pm
Replies: 8
by Crankor » Wed May 17, 2017 6:36 pm

8 Replies

3455 Views

Last post by Crankor
Fri May 19, 2017 7:54 pm
G body 8.5

Last post by monzaz « Mon May 15, 2017 9:25 pm
Replies: 1
by Quick308 » Mon May 15, 2017 2:31 pm

1 Replies

1712 Views

Last post by monzaz
Mon May 15, 2017 9:25 pm
1972 GTO Rear End

Last post by monzaz « Mon May 15, 2017 12:57 pm
Replies: 1
by KLAUBERM » Thu May 11, 2017 10:01 am

1 Replies

1586 Views

Last post by monzaz
Mon May 15, 2017 12:57 pm
30 spline 10 bolt

Last post by monzaz « Mon May 08, 2017 11:50 am
Replies: 1
by agetnt9 » Thu May 04, 2017 3:31 pm

1 Replies

1604 Views

Last post by monzaz
Mon May 08, 2017 11:50 am
12 Bolt Cover Olds rear end

Last post by monzaz « Mon Apr 24, 2017 8:31 pm
Replies: 2
by 70supreme » Sun Apr 23, 2017 1:34 pm

2 Replies

2168 Views

Last post by monzaz
Mon Apr 24, 2017 8:31 pm
Help ID my rear end

Last post by monzaz « Mon Apr 24, 2017 8:19 pm
Replies: 2
by 03RedWing » Sun Apr 23, 2017 8:51 pm

2 Replies

2063 Views

Last post by monzaz
Mon Apr 24, 2017 8:19 pm
type "O" rear end?

Last post by monzaz « Mon Apr 24, 2017 7:49 pm
Replies: 12
by hogdog666 » Sun Mar 08, 2009 10:13 pm

12 Replies

8169 Views

Last post by monzaz
Mon Apr 24, 2017 7:49 pm
BOP part interchangeability

Last post by 14hbnelson « Thu Apr 20, 2017 11:06 pm
Replies: 2
by 14hbnelson » Wed Apr 19, 2017 6:17 pm

2 Replies

1689 Views

Last post by 14hbnelson
Thu Apr 20, 2017 11:06 pm
64-67 BOP 8.2 vs. 68-70 Buick 8.2

Last post by monzaz « Mon Apr 10, 2017 9:58 pm
Replies: 1
by LARRY70GS » Mon Apr 10, 2017 8:55 am

1 Replies

1381 Views

Last post by monzaz
Mon Apr 10, 2017 9:58 pm
1971 Olds 10 bolt

Last post by monzaz « Thu Mar 16, 2017 11:27 am
Replies: 13
by Axle_Foley » Sat Mar 11, 2017 3:22 pm

13 Replies

3227 Views

Last post by monzaz
Thu Mar 16, 2017 11:27 am
8.2 Buick GS400

Last post by monzaz « Sat Mar 04, 2017 5:41 pm
Replies: 3
by pontiacpeje » Fri Mar 03, 2017 10:26 am

3 Replies

2023 Views

Last post by monzaz
Sat Mar 04, 2017 5:41 pm
Opinions/Parts

Last post by monzaz « Tue Feb 28, 2017 10:31 am
Replies: 1
by Utah Boatail » Mon Feb 27, 2017 3:24 pm

1 Replies

1529 Views

Last post by monzaz
Tue Feb 28, 2017 10:31 am
1970 Buick GS 455 Rear

Last post by monzaz « Sun Feb 19, 2017 10:51 am
Replies: 1
by thorgir666 » Sun Feb 19, 2017 6:37 am

1 Replies

1667 Views

Last post by monzaz
Sun Feb 19, 2017 10:51 am
Run-out tolerance at bolt flange ~ vibration

Last post by monzaz « Sun Feb 19, 2017 10:31 am
Replies: 3
by oldbuickguy » Mon Jan 30, 2017 11:10 pm

3 Replies

1930 Views

Last post by monzaz
Sun Feb 19, 2017 10:31 am
12 bolt b body

Last post by monzaz « Mon Jan 30, 2017 5:55 pm
Replies: 3
by Lowrider » Wed Jan 25, 2017 1:51 am

3 Replies

2112 Views

Last post by monzaz
Mon Jan 30, 2017 5:55 pm
8.5 BOP 10 bolt or 8.2??

Last post by monzaz « Sat Jul 23, 2016 4:28 pm
Replies: 3
by hughesfamily06 » Wed Jul 20, 2016 6:03 pm

3 Replies

8399 Views

Last post by monzaz
Sat Jul 23, 2016 4:28 pm
1970 Skylark differential ID

Last post by monzaz « Tue Jul 05, 2016 8:37 am
Replies: 4
by 1970GS » Tue Jun 28, 2016 10:17 am

4 Replies

2318 Views

Last post by monzaz
Tue Jul 05, 2016 8:37 am
Olds Axle Origin and Fit

Last post by monzaz « Tue May 10, 2016 8:54 pm
Replies: 12
by oldironfarmer » Thu Apr 14, 2016 6:37 pm

12 Replies

8555 Views

Last post by monzaz
Tue May 10, 2016 8:54 pm
1978 monte carlo 8.5 10 bolt

Last post by monzaz « Wed Apr 27, 2016 5:57 am
Replies: 1
by 78monte » Tue Apr 26, 2016 5:15 am

1 Replies

9843 Views

Last post by monzaz
Wed Apr 27, 2016 5:57 am
1972 Buick Skylark 8.5" 10-bolt upgrade to 30 spline w/posi

Last post by monzaz « Mon Apr 04, 2016 6:29 am
Replies: 1
by coffee4matt » Sun Apr 03, 2016 11:43 am

1 Replies

3741 Views

Last post by monzaz
Mon Apr 04, 2016 6:29 am
9" FORD AT THE TRACK STOCK THIRD MEMBER CASE DON'T DO IT

Last post by monzaz « Thu Mar 31, 2016 8:57 am

by monzaz » Thu Mar 31, 2016 8:57 am

0 Replies

20681 Views

Last post by monzaz
Thu Mar 31, 2016 8:57 am
rear end suggestions for 550-600 RWHP in a 72 cutlass

Last post by monzaz « Wed Mar 30, 2016 12:03 am
Replies: 3
by krom » Sun Mar 27, 2016 3:53 pm

3 Replies

10696 Views

Last post by monzaz
Wed Mar 30, 2016 12:03 am
BOP possibilities

Last post by monzaz « Sat Mar 19, 2016 1:06 am
Replies: 22
by stevieray » Sun Feb 07, 2016 7:12 pm
1

2
22 Replies

5857 Views

Last post by monzaz
Sat Mar 19, 2016 1:06 am
Wheel bearings

Last post by monzaz « Wed Mar 09, 2016 9:26 pm
Replies: 4
by mercmarc » Tue Mar 08, 2016 11:58 pm

4 Replies

3017 Views

Last post by monzaz
Wed Mar 09, 2016 9:26 pm
Need some help with gear pattern

Last post by Ravensbud « Tue Mar 01, 2016 10:10 pm
Replies: 6
by Ravensbud » Mon Feb 29, 2016 11:54 pm

6 Replies

3095 Views

Last post by Ravensbud
Tue Mar 01, 2016 10:10 pm
10 bolt bop

Last post by bowtie89 « Tue Mar 01, 2016 3:39 pm
Replies: 6
by bowtie89 » Sat Feb 27, 2016 9:45 pm

6 Replies

3326 Views

Last post by bowtie89
Tue Mar 01, 2016 3:39 pm
Type O? Questions.

Last post by Seth « Mon Feb 22, 2016 4:16 pm
Replies: 4
by Seth » Wed Feb 17, 2016 8:37 am

4 Replies

11506 Views

Last post by Seth
Mon Feb 22, 2016 4:16 pm
Pinion Preload

Last post by monzaz « Mon Feb 22, 2016 2:35 pm
Replies: 1
by stevieray » Mon Feb 22, 2016 11:00 am

1 Replies

1929 Views

Last post by monzaz
Mon Feb 22, 2016 2:35 pm
10 bolt Pontiac 1964 Diff

Last post by monzaz « Sun Feb 14, 2016 5:19 pm
Replies: 3
by Lowrider » Sat Feb 13, 2016 10:35 am

3 Replies

2213 Views

Last post by monzaz
Sun Feb 14, 2016 5:19 pm
BOP or Buick Posi Unit 8.2?

Last post by monzaz « Thu Feb 11, 2016 6:07 pm
Replies: 4
by Johnny406 » Fri Jan 29, 2016 12:34 pm

4 Replies

2792 Views

Last post by monzaz
Thu Feb 11, 2016 6:07 pm

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