12 Bolt Differential Questions

Forum rules

New Topic

54 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

18844 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

20603 Views

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

Topics

Replies

Views

Last post

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

413 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

683 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

1264 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

954 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

1823 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

1769 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

3321 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

2620 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

3051 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

2262 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

2991 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

12574 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

6054 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

3434 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

4249 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

3525 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

2621 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

1894 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

7715 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

2402 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

12695 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

3727 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

2349 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

4355 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

3739 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

3687 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

2465 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

3924 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

3233 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

4706 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

2603 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

4071 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

2807 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

2808 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

8586 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

18790 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

2685 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

7029 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

17802 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

3938 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

5558 Views

Last post by monzaz
Sun Apr 04, 2010 10:37 am
Please comment on condition of carrier and gears

Last post by monzaz « Mon Mar 08, 2010 9:39 pm
Replies: 1
by rustyrelic » Fri Mar 05, 2010 12:57 pm

1 Replies

2726 Views

Last post by monzaz
Mon Mar 08, 2010 9:39 pm
12 Bolt carrier ID.

Last post by monzaz « Mon Nov 16, 2009 8:07 pm
Replies: 3
by BigBlockMan » Thu Nov 12, 2009 7:55 pm

3 Replies

4160 Views

Last post by monzaz
Mon Nov 16, 2009 8:07 pm
1970' Oldsmobile full size 12 bolt

Last post by monzaz « Sat Oct 31, 2009 10:19 pm
Replies: 5
by BigBlockMan » Thu Sep 24, 2009 7:56 pm

5 Replies

6843 Views

Last post by monzaz
Sat Oct 31, 2009 10:19 pm
66 Pontiac Grand Prix 12 bolt posi

Last post by monzaz « Fri Jul 10, 2009 10:49 pm
Replies: 1
by motocip » Mon Jul 06, 2009 9:11 am

1 Replies

2802 Views

Last post by monzaz
Fri Jul 10, 2009 10:49 pm
Help with casting number 393820

Last post by monzaz « Sun Jun 21, 2009 2:20 pm
Replies: 3
by Steve » Mon Jun 15, 2009 8:36 pm

3 Replies

4036 Views

Last post by monzaz
Sun Jun 21, 2009 2:20 pm
33 splines posi

Last post by monzaz « Wed Feb 11, 2009 9:41 pm
Replies: 5
by Malibu ss 64 » Sat Jan 24, 2009 10:43 am

5 Replies

3796 Views

Last post by monzaz
Wed Feb 11, 2009 9:41 pm
12 bolt pickup truck to car?

Last post by monzaz « Thu Jan 08, 2009 11:40 pm
Replies: 1
by carnutt » Wed Jan 07, 2009 12:11 pm

1 Replies

3049 Views

Last post by monzaz
Thu Jan 08, 2009 11:40 pm
MOSER 12 BOLT PICTURES

Last post by monzaz « Wed Jul 16, 2008 8:48 am

by monzaz » Wed Jul 16, 2008 8:48 am

0 Replies

7014 Views

Last post by monzaz
Wed Jul 16, 2008 8:48 am
Non posi to posi - What is needed?

Last post by monzaz « Tue Jan 09, 2007 1:41 pm
Replies: 1
by magisnyc » Fri Jan 05, 2007 11:30 pm

1 Replies

2700 Views

Last post by monzaz
Tue Jan 09, 2007 1:41 pm

New Topic

54 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