The Stovebolt Site Forums The Shop Area Engine Shop Downshifting the SM420 ('51)

Help is a click away!

VEHICLE
INFORMATION
KITS

at the

GM Heritage Center
All the details are here.

Searching the Site - a click away

New here ??? Where to start?

Click on image for the lowdown.

====

Who's Online Now

1 members (Hotrod Lincoln), 118 guests, and 3 robots.

Key: Admin, Global Mod, Mod

Forum Statistics

Forums66

Topics128,093

Posts1,056,474

Members48,444

Most Online14,466
Apr 26th, 2026

Step-by-step instructions for pictures in the forums

Brad Allen's photos

AD Chevy Trucks

Pictures galore

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!

Lots of work on Brad's part ... pure enjoyment (and references) for you!

Big Thanks!

THANKS!

For helping keep this great
old truck web site
on the Internet for

over 30 years!

and not clogged down
with Ads!

Again, thanks!

Print Thread

Re: Downshifting the SM420 ('51) Grigg #382182 03/01/2008 10:41 PM
Joined: Apr 2006 Posts: 273 Calgary Alberta O Old 'Burb Lover Shop Shark
Old 'Burb Lover Shop Shark O Joined: Apr 2006 Posts: 273 Calgary Alberta	Thanks for the info. I had to double-clutch on some Army trucks (up and down) because they wern't synchronized, but I didn't understand what was happening inside.

Entire Thread
Subject	Posted By	Posted
Downshifting the SM420 ('51)	Czechman	03/01/2008 5:03 AM
Re: Downshifting the SM420 ('51)	Freq2002	03/01/2008 5:20 AM
Re: Downshifting the SM420 ('51)	Czechman	03/01/2008 12:32 PM
Re: Downshifting the SM420 ('51)	truckernix	03/01/2008 1:27 PM
Re: Downshifting the SM420 ('51)	SW_Radial	03/01/2008 1:48 PM
Re: Downshifting the SM420 ('51)	C10 - C90 Bill	03/01/2008 2:56 PM
Re: Downshifting the SM420 ('51)	C10 - C90 Bill	03/01/2008 3:00 PM
Re: Downshifting the SM420 ('51)	Czechman	03/01/2008 4:16 PM
Re: Downshifting the SM420 ('51)	Denny Graham	03/01/2008 4:56 PM
Re: Downshifting the SM420 ('51)	Czechman	03/01/2008 6:18 PM
Re: Downshifting the SM420 ('51)	Grigg	03/01/2008 10:31 PM
Re: Downshifting the SM420 ('51)	Czechman	03/01/2008 10:37 PM
Re: Downshifting the SM420 ('51)	Old 'Burb Lover	03/01/2008 10:41 PM
Re: Downshifting the SM420 ('51)	Leo	03/02/2008 12:31 AM
Re: Downshifting the SM420 ('51)	Bill Marlow	03/02/2008 12:58 AM
Re: Downshifting the SM420 ('51)	Grigg	03/02/2008 1:21 AM
Re: Downshifting the SM420 ('51)	Bill Marlow	03/02/2008 2:15 AM
Re: Downshifting the SM420 ('51)	Polarcat	03/04/2008 6:41 AM
Re: Downshifting the SM420 ('51)	Czechman	03/04/2008 1:07 PM
Re: Downshifting the SM420 ('51)	Grigg	03/04/2008 2:26 PM
Re: Downshifting the SM420 ('51)	Denny Graham	03/04/2008 3:17 PM
Re: Downshifting the SM420 ('51)	Czechman	03/08/2008 5:17 PM
Re: Downshifting the SM420 ('51)	Polarcat	03/09/2008 6:57 AM
Re: Downshifting the SM420 ('51)	Grigg	03/09/2008 5:23 PM
Re: Downshifting the SM420 ('51)	Polarcat	03/10/2008 12:47 AM
Re: Downshifting the SM420 ('51)	Grigg	03/10/2008 1:11 AM
Re: Downshifting the SM420 ('51)	Czechman	03/10/2008 1:37 AM
Re: Downshifting the SM420 ('51)	Czechman	03/08/2008 8:13 PM
Re: Downshifting the SM420 ('51)	Denny Graham	03/08/2008 11:51 PM
Re: Downshifting the SM420 ('51)	4ontheFloor	03/09/2008 2:53 AM
Re: Downshifting the SM420 ('51)	Czechman	03/02/2008 3:28 PM
Re: Downshifting the SM420 ('51)	Hotrod Lincoln	03/02/2008 3:39 AM
Re: Downshifting the SM420 ('51)	Grigg	03/02/2008 4:26 AM
Re: Downshifting the SM420 ('51)	Czechman	03/02/2008 3:31 PM
Re: Downshifting the SM420 ('51)	glasman	03/03/2008 6:14 PM
Re: Downshifting the SM420 ('51)	32fire2	03/02/2008 4:41 AM
Re: Downshifting the SM420 ('51)	Hot Rod Dad	03/04/2008 4:32 PM
Re: Downshifting the SM420 ('51)	Czechman	03/04/2008 5:09 PM

Moderated by Phak1, Woogeroo

Hop To

Link Copied to Clipboard