The Stovebolt Site Forums The Parking Lot '60-'66 Trucks anyone gone from 3.73 to 3.55 rear end gearing?

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

0 members (), 102 guests, and 3 robots.

Key: Admin, Global Mod, Mod

Forum Statistics

Forums66

Topics128,186

Posts1,057,319

Members48,469

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: anyone gone from 3.73 to 3.55 rear end gearing? Brad54 #621221 02/18/2010 8:07 PM
Joined: Sep 2009 Posts: 21 calif. M mikie1954 New Guy
mikie1954 New Guy M Joined: Sep 2009 Posts: 21 calif.	I have a 64 3/4 ton GMC pu , I went from 4.10 to 3.53 gears and droped from about 3300 rpm's to about 2600-2700 rpm's at about 65-70mph. the truck has a dana 60 with 235-85-16 tires.Hope this helps mikie

Entire Thread
Subject	Posted By	Posted
anyone gone from 3.73 to 3.55 rear end gearing?	16hp	02/18/2010 6:05 AM
Re: anyone gone from 3.73 to 3.55 rear end gearing?	LGriffin	02/18/2010 4:32 PM
Re: anyone gone from 3.73 to 3.55 rear end gearing?	Brad54	02/18/2010 4:35 PM
Re: anyone gone from 3.73 to 3.55 rear end gearing?	mikie1954	02/18/2010 8:07 PM

Moderated by Hambone, Woogeroo

Hop To

Link Copied to Clipboard