The Stovebolt.com Forums Home | Tech Tips | Gallery | FAQ | Events | Features | Search
Fixing the old truck

BUSY BOLTERS
Are you one?

Where is it?? The Shop Area

continues to pull in the most views on the Stovebolt. In August alone there were over 22,000 views in those 13 forums.

Searching the Site - a click away
click here to search
New here ??? Where to start?
Click on image for the lowdown. Where do I go around here?
====
Who's Online Now
4 members (joetravjr, Guitplayer, Paul Mullen, 1 invisible), 568 guests, and 1 robot.
Key: Admin, Global Mod, Mod
Forum Statistics
Forums66
Topics126,780
Posts1,039,294
Members48,100
Most Online2,175
Jul 21st, 2025
Step-by-step instructions for pictures in the forums
Previous Thread
Next Thread
Print Thread
Joined: Jan 2014
Posts: 74
B
Shop Shark
Shop Shark
B Offline
Joined: Jan 2014
Posts: 74
I know this has been asked before and i have been looking for a while . Who may have a screw in bullet looking speedometer gear for sale these days for a SM420 trans. The kind that screws into the case. THANKS BJF

Joined: Jan 2013
Posts: 1,518
S
'Bolter
'Bolter
S Offline
Joined: Jan 2013
Posts: 1,518
You have to match the torpedo to the speedometer drive gear on the yoke or there will be carnage. Different pitchs and gear tooth counts


1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
In the DITY Gallery
Video of the 261 running

1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration
Joined: Jan 2002
Posts: 2,696
C
'Bolter
'Bolter
C Offline
Joined: Jan 2002
Posts: 2,696
Yes, the rear wheel diameter will dictate the gear size that screws into the gearbox.


Craig

My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear
My truck ....... Respect The Rust
If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.

Moderated by  Dusty53, SWEET 

Link Copied to Clipboard
Home | FAQ | Gallery | Tech Tips | Events | Features | Search | Hoo-Ya Shop
Powered by UBB.threads™ PHP Forum Software 8.0.0
(Release build 20240826)
Responsive Width:

PHP: 8.3.11 Page Time: 0.095s Queries: 14 (0.056s) Memory: 0.5990 MB (Peak: 0.6345 MB) Data Comp: Zlib Server Time: 2025-09-22 19:18:04 UTC
Valid HTML 5 and Valid CSS