12 Bolt Differential Questions

Forum rules

New Topic

63 topics

Announcements

Replies

Views

Last post

Classifieds Guidelines

Last post by jdraceco « Sun Jul 16, 2006 10:52 pm
Posted in Announcments

by jdraceco » Sun Jul 16, 2006 10:52 pm » in Announcments

0 Replies

93981 Views

Last post by jdraceco
Sun Jul 16, 2006 10:52 pm
Posting Guidelines

Last post by jdraceco « Sun Jun 24, 2007 12:34 pm
Posted in Announcments

by jdraceco » Tue Jun 27, 2006 5:35 pm » in Announcments

0 Replies

98037 Views

Last post by jdraceco
Sun Jun 24, 2007 12:34 pm

Topics

Replies

Views

Last post

Olds 9.3" 12 bolt or is it

Last post by monzaz « Sat Jun 01, 2024 2:30 pm
Replies: 4
by chevy56 » Tue May 28, 2024 3:54 pm

4 Replies

13694 Views

Last post by monzaz
Sat Jun 01, 2024 2:30 pm
Oldsmobile type ‘O’ 12 bolt question

Last post by monzaz « Mon Apr 22, 2024 7:47 am
Replies: 17
by 67CSConvert455 » Thu Mar 28, 2024 11:07 pm
1

2
17 Replies

28820 Views

Last post by monzaz
Mon Apr 22, 2024 7:47 am
Ringear bolts

Last post by monzaz « Mon Oct 30, 2023 2:10 pm
Replies: 1
by Malibu ss 64 » Thu Oct 19, 2023 10:36 am

1 Replies

9795 Views

Last post by monzaz
Mon Oct 30, 2023 2:10 pm
Posi id

Last post by monzaz « Thu Aug 24, 2023 10:28 pm
Replies: 2
by Malibu ss 64 » Mon Aug 21, 2023 1:22 pm

2 Replies

8127 Views

Last post by monzaz
Thu Aug 24, 2023 10:28 pm
30 splines c-clip axles

Last post by monzaz « Sat Aug 19, 2023 11:37 pm
Replies: 1
by Malibu ss 64 » Wed Aug 16, 2023 11:01 am

1 Replies

6257 Views

Last post by monzaz
Sat Aug 19, 2023 11:37 pm
1966-76 9.375" Oldsmobile 12 bolt question

Last post by monzaz « Thu Jun 08, 2023 9:47 am
Replies: 8
by funkhoss » Thu Jun 01, 2023 1:16 pm

8 Replies

14431 Views

Last post by monzaz
Thu Jun 08, 2023 9:47 am
12 Bolt Gears/Posi - Question

Last post by monzaz « Sun Oct 31, 2021 9:39 am
Replies: 1
by mphudak » Sun Oct 17, 2021 7:46 am

1 Replies

10512 Views

Last post by monzaz
Sun Oct 31, 2021 9:39 am
Chev car 12 bolt side hole spacing.

Last post by 95wagon « Fri Jun 11, 2021 9:12 pm

by 95wagon » Fri Jun 11, 2021 9:12 pm

0 Replies

9388 Views

Last post by 95wagon
Fri Jun 11, 2021 9:12 pm
need a type o differential

Last post by monzaz « Sat Dec 28, 2019 12:04 am
Replies: 1
by jopa200 » Fri Dec 27, 2019 9:33 pm

1 Replies

12341 Views

Last post by monzaz
Sat Dec 28, 2019 12:04 am
Spring perch

Last post by monzaz « Sun Apr 14, 2019 10:27 am
Replies: 1
by Oldsman70 » Fri Apr 12, 2019 5:24 pm

1 Replies

11362 Views

Last post by monzaz
Sun Apr 14, 2019 10:27 am
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

11434 Views

Last post by monzaz
Fri Dec 14, 2018 11:16 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

11736 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

13252 Views

Last post by monzaz
Tue Aug 28, 2018 12:47 am
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

16115 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

17453 Views

Last post by monzaz
Wed May 02, 2018 7:32 am
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

27333 Views

Last post by monzaz
Wed Mar 14, 2018 1:01 pm
'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

11008 Views

Last post by monzaz
Thu Jul 27, 2017 8:00 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

13910 Views

Last post by monzaz
Mon Apr 24, 2017 8:31 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

10097 Views

Last post by monzaz
Tue Feb 28, 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

15092 Views

Last post by monzaz
Mon Jan 30, 2017 5:55 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

25455 Views

Last post by Seth
Mon Feb 22, 2016 4:16 pm
Chevy 12 bolt rear axle upgrade

Last post by Mark Demko « Sun Jan 03, 2016 7:25 pm
Replies: 2
by Mark Demko » Fri Jan 01, 2016 6:37 am

2 Replies

15916 Views

Last post by Mark Demko
Sun Jan 03, 2016 7:25 pm
Posi springs

Last post by monzaz « Wed Jun 17, 2015 8:52 pm
Replies: 4
by muzzy » Sat Jun 13, 2015 5:12 pm

4 Replies

15526 Views

Last post by monzaz
Wed Jun 17, 2015 8:52 pm
12 Bolt Housing

Last post by steve69 « Wed Dec 17, 2014 11:46 am
Replies: 6
by steve69 » Fri Nov 21, 2014 6:13 pm

6 Replies

23039 Views

Last post by steve69
Wed Dec 17, 2014 11:46 am
Buick 12 bolt rear end problem

Last post by monzaz « Fri Oct 10, 2014 7:40 am
Replies: 6
by Ricky » Thu Oct 02, 2014 1:09 am

6 Replies

18039 Views

Last post by monzaz
Fri Oct 10, 2014 7:40 am
EDB-30152 posi carrier--what's it from/what's it worth?

Last post by monzaz « Fri Sep 26, 2014 12:11 am
Replies: 3
by 66submarine » Sun Sep 14, 2014 11:38 pm

3 Replies

12552 Views

Last post by monzaz
Fri Sep 26, 2014 12:11 am
Gear contact pattern

Last post by monzaz « Sun Aug 03, 2014 10:46 am
Replies: 1
by ScottRamsey » Sat Aug 02, 2014 11:59 am

1 Replies

9184 Views

Last post by monzaz
Sun Aug 03, 2014 10:46 am
Olds Type "O" Rear posi conversion

Last post by monzaz « Wed Jun 25, 2014 10:54 am
Replies: 6
by csouth » Mon Apr 02, 2012 3:03 pm

6 Replies

24986 Views

Last post by monzaz
Wed Jun 25, 2014 10:54 am
Swapping out Olds 12 bolt for BOP 10 bolt

Last post by monzaz « Mon May 12, 2014 1:57 pm
Replies: 1
by lemans1 » Fri May 09, 2014 4:03 am

1 Replies

9565 Views

Last post by monzaz
Mon May 12, 2014 1:57 pm
12 bolt ID

Last post by monzaz « Fri Mar 07, 2014 1:05 am
Replies: 17
by m_kulsziski » Thu Jul 06, 2006 9:14 pm
1

2
17 Replies

52518 Views

Last post by monzaz
Fri Mar 07, 2014 1:05 am
1969 Olds rear end.

Last post by monzaz « Sat Feb 08, 2014 9:16 am
Replies: 5
by plumbbob » Sun Jan 05, 2014 4:06 pm

5 Replies

17939 Views

Last post by monzaz
Sat Feb 08, 2014 9:16 am
10-12 bolt gear ratios

Last post by monzaz « Thu Jan 30, 2014 1:42 pm
Replies: 1
by mtmay » Mon Jan 27, 2014 1:17 pm

1 Replies

10440 Views

Last post by monzaz
Thu Jan 30, 2014 1:42 pm
12 Bolt for G Body

Last post by monzaz « Sun Jan 27, 2013 1:31 pm
Replies: 3
by MWireman » Fri Jan 25, 2013 11:08 am

3 Replies

15059 Views

Last post by monzaz
Sun Jan 27, 2013 1:31 pm
1968 442 axle bearings and seals

Last post by monzaz « Mon Dec 03, 2012 7:26 am
Replies: 7
by als68442 » Mon Nov 26, 2012 12:20 pm

7 Replies

20805 Views

Last post by monzaz
Mon Dec 03, 2012 7:26 am
Spring Perches

Last post by monzaz « Sat Sep 08, 2012 7:47 pm
Replies: 3
by 71MONTE4YA » Thu Sep 06, 2012 4:21 pm

3 Replies

14350 Views

Last post by monzaz
Sat Sep 08, 2012 7:47 pm
Jim.

Last post by monzaz « Mon Jul 16, 2012 9:43 pm
Replies: 1
by slow72monte » Mon Jul 09, 2012 2:23 pm

1 Replies

10078 Views

Last post by monzaz
Mon Jul 16, 2012 9:43 pm
8.75 Posi Carrier in 8.875 Full Size

Last post by monzaz « Fri Jul 06, 2012 7:35 am
Replies: 3
by MikeMike123 » Tue Jul 03, 2012 2:26 pm

3 Replies

15618 Views

Last post by monzaz
Fri Jul 06, 2012 7:35 am
12 bolt 9.3

Last post by monzaz « Sun Feb 05, 2012 4:22 pm
Replies: 3
by glenn4spgs » Sat Feb 04, 2012 8:38 pm

3 Replies

14057 Views

Last post by monzaz
Sun Feb 05, 2012 4:22 pm
1970 olds 98 12 bolt diff.

Last post by monzaz « Sun Oct 02, 2011 1:54 pm
Replies: 4
by 1970 Olds 98 » Fri Sep 30, 2011 9:51 am

4 Replies

17781 Views

Last post by monzaz
Sun Oct 02, 2011 1:54 pm
1967 pontiac catalina

Last post by monzaz « Tue Aug 16, 2011 2:13 pm
Replies: 1
by navarrat » Sat Aug 13, 2011 1:20 am

1 Replies

10643 Views

Last post by monzaz
Tue Aug 16, 2011 2:13 pm
O Type

Last post by monzaz « Fri Aug 12, 2011 8:32 pm
Replies: 6
by robs70monte » Sat Aug 06, 2011 5:46 pm

6 Replies

19633 Views

Last post by monzaz
Fri Aug 12, 2011 8:32 pm
12 bolt carrier............for what?

Last post by monzaz « Tue Apr 05, 2011 3:43 pm
Replies: 1
by WMACHINE » Mon Apr 04, 2011 2:10 pm

1 Replies

10230 Views

Last post by monzaz
Tue Apr 05, 2011 3:43 pm
What makes a 12 bolt a 12 bolt??? what bolts count

Last post by monzaz « Mon Mar 21, 2011 1:54 pm
Replies: 1
by monzaz » Mon Mar 21, 2011 1:41 pm

1 Replies

9641 Views

Last post by monzaz
Mon Mar 21, 2011 1:54 pm
Posi differential ID

Last post by monzaz « Fri Feb 25, 2011 4:32 pm
Replies: 11
by Frankie » Wed Jan 14, 2009 1:30 am

11 Replies

33825 Views

Last post by monzaz
Fri Feb 25, 2011 4:32 pm
NEW PRODUCT NEW PRODUCT!

Last post by monzaz « Sat Jan 15, 2011 5:41 pm

by monzaz » Sat Jan 15, 2011 5:41 pm

0 Replies

25357 Views

Last post by monzaz
Sat Jan 15, 2011 5:41 pm
Rear disc brake conversion

Last post by monzaz « Mon Jan 03, 2011 9:22 am
Replies: 1
by Hoonbash » Thu Dec 30, 2010 8:54 am

1 Replies

10774 Views

Last post by monzaz
Mon Jan 03, 2011 9:22 am
12 BOLT S-10 STREET STRIP REAR DIFFERENTIALS

Last post by monzaz « Wed Aug 18, 2010 9:32 pm
Replies: 9
by monzaz » Wed Dec 17, 2008 10:39 am

9 Replies

26521 Views

Last post by monzaz
Wed Aug 18, 2010 9:32 pm
TIME

Last post by monzaz « Fri Aug 13, 2010 9:41 am

by monzaz » Fri Aug 13, 2010 9:41 am

0 Replies

24610 Views

Last post by monzaz
Fri Aug 13, 2010 9:41 am
Chevelle 12 Bolt Identification and Application Question

Last post by monzaz « Wed May 12, 2010 9:29 pm
Replies: 3
by clm69z28 » Mon May 10, 2010 8:40 pm

3 Replies

15135 Views

Last post by monzaz
Wed May 12, 2010 9:29 pm
12 bolt evaluation and parts

Last post by monzaz « Sun Apr 04, 2010 10:37 am
Replies: 9
by GSDrew » Mon Feb 23, 2009 2:02 pm

9 Replies

25270 Views

Last post by monzaz
Sun Apr 04, 2010 10:37 am

New Topic

63 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum