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| | | Forums66 Topics128,109 Posts1,056,240 Members48,437 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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For helping keep this great
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Mar 2004 Posts: 6,214 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,214 | I believe all of the SM-420's have the same bolt pattern so they should bolt right in. Also, your '57 3100 has parking brakes at the rear axle, so the transmission you're looking for doesn't need the parking brake drum or hardware on the back. Mike B  | | | |
Entire Thread
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SM 420..,direct bolt in
| WHO, ME ? | 06/27/2016 4:24 PM |
Re: SM 420..,direct bolt in
| Mike B | 06/28/2016 1:21 AM |
Re: SM 420..,direct bolt in
| mechanic58 | 07/01/2016 8:42 PM |
Re: SM 420..,direct bolt in
| tclederman | 07/01/2016 10:34 PM |
Re: SM 420..,direct bolt in
| WHO, ME ? | 07/02/2016 5:11 AM |
Re: SM 420..,direct bolt in
| bartamos | 07/02/2016 5:38 AM |
Re: SM 420..,direct bolt in
| WHO, ME ? | 07/02/2016 5:59 PM |
Re: SM 420..,direct bolt in
| bartamos | 07/02/2016 6:32 PM |
Re: SM 420..,direct bolt in
| tclederman | 07/02/2016 9:25 PM |
Re: SM 420..,direct bolt in
| LONGBOX55 | 07/02/2016 9:34 PM |
Re: SM 420..,direct bolt in
| WHO, ME ? | 07/02/2016 11:27 PM |
Re: SM 420..,direct bolt in
| Cletis | 07/02/2016 11:50 PM |
Re: SM 420..,direct bolt in
| bartamos | 07/03/2016 12:35 AM |
Re: SM 420..,direct bolt in
| WHO, ME ? | 07/03/2016 8:24 PM |
Re: SM 420..,direct bolt in
| Cablesmill | 07/03/2016 9:46 PM |
Re: SM 420..,direct bolt in
| bartamos | 07/03/2016 11:06 PM |
Re: SM 420..,direct bolt in
| rfs56trk | 07/03/2016 11:16 PM |
Re: SM 420..,direct bolt in
| bartamos | 07/03/2016 11:35 PM |
Re: SM 420..,direct bolt in
| WHO, ME ? | 07/04/2016 4:44 AM |
Re: SM 420..,direct bolt in
| bartamos | 07/04/2016 5:07 AM |
Re: SM 420..,direct bolt in
| rfs56trk | 07/04/2016 4:25 PM | |
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