The Stovebolt Site Forums The Shop Area Driveline SM 420 vs Crashbox

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

4 members (1955 1 Series, Southerntruck, fonz8261, 1 invisible), 134 guests, and 1 robot.

Key: Admin, Global Mod, Mod

Forum Statistics

Forums66

Topics128,113

Posts1,056,279

Members48,439

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: SM 420 vs Crashbox Rusty Shackleford #955019 07/07/2013 10:55 PM
Joined: Sep 2006 Posts: 3,596 Salt Lake City, Utah B Brad Allen 'Bolter
Brad Allen 'Bolter B Joined: Sep 2006 Posts: 3,596 Salt Lake City, Utah	Still because there is a SM-420 in it now some 66 years after the fact proves nothing. Unless there is some documentation It has to be considered as a retrofit. 1950 Chevrolet 3/4-Ton 3600 More pictures on Flickr

Entire Thread
Subject	Posted By	Posted
SM 420 vs Crashbox	Rusty Shackleford	03/29/2011 10:53 PM
Re: SM 420 vs Crashbox	crenwelge	03/30/2011 1:22 AM
Re: SM 420 vs Crashbox	Rusty Shackleford	03/30/2011 1:50 AM
Re: SM 420 vs Crashbox	Rusty Shackleford	03/30/2011 7:50 PM
Re: SM 420 vs Crashbox	crenwelge	03/31/2011 4:04 PM
Re: SM 420 vs Crashbox	Rusty Shackleford	04/02/2011 7:15 AM
Re: SM 420 vs Crashbox	bigbadswingdaddy	04/02/2011 8:37 AM
Re: SM 420 vs Crashbox	Rusty Shackleford	04/02/2011 8:38 PM
Re: SM 420 vs Crashbox	5/8 ton	04/24/2011 7:26 PM
Re: SM 420 vs Crashbox	5/8 ton	04/24/2011 7:27 PM
Re: SM 420 vs Crashbox	MikeE	04/25/2011 6:13 PM
Re: SM 420 vs Crashbox	k10	04/25/2011 7:20 PM
Re: SM 420 vs Crashbox	Zach B	07/06/2013 1:28 AM
Re: SM 420 vs Crashbox	Brad Allen	07/06/2013 2:08 AM
Re: SM 420 vs Crashbox	1951Chevy1Ton	07/07/2013 8:58 PM
Re: SM 420 vs Crashbox	tclederman	07/07/2013 9:18 PM
Re: SM 420 vs Crashbox	Brad Allen	07/07/2013 10:55 PM

Moderated by Dusty53, SWEET

Hop To

Link Copied to Clipboard