The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 02-28-2004, 08:11 PM   #1
ocbaud
Garage Queen Material
 
Join Date: Oct 2002
Location: USA
Posts: 4,129
how to figure out what speedo gears i need?

okay, since i'll be getting new tires and new rear gears, i need to get my speedo recalibrated.

i'll be running 3.73 gears and 275/40/17's for rear tires.

the speedo was perfect with the setup of 2.73 gears and 255/70/15 tires
ocbaud is offline   Reply With Quote
Old 02-29-2004, 01:38 AM   #2
gchemist
BAD BOW-Silverado XST
 
gchemist's Avatar
 
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
http://www.tciauto.com/tech_info/speedo_gears.htm
__________________
Gerardo a.k.a. Mad Chemist
Silverado XST videos
gchemist is offline   Reply With Quote
Old 02-29-2004, 01:48 AM   #3
79BIG10
I'm back with 2nd truck!
 
79BIG10's Avatar
 
Join Date: Feb 2002
Location: Texas
Posts: 3,774
http://www.73-87.com/7387garage/drivetrain/speedo.htm
__________________
1979 Chevrolet Bonanza Big10 "Tootsie Roll"
1985 Chevrolet Silverado (wife's)
Member of the Southern Bowties Club

"Don't underestimate how sexy a fat man who drinks to excess can be." Homer Simpson
79BIG10 is offline   Reply With Quote
Old 02-29-2004, 02:07 AM   #4
ocbaud
Garage Queen Material
 
Join Date: Oct 2002
Location: USA
Posts: 4,129
Quote:
Originally posted by 79BIG10
http://www.73-87.com/7387garage/drivetrain/speedo.htm
that gonna be different for a th350?
ocbaud is offline   Reply With Quote
Old 02-29-2004, 04:23 AM   #5
jimfulco
Registered User
 
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
These might help also:
www.novaresource.org/speedo.htm
www.novaresource.org/speedo2.htm
jimfulco is offline   Reply With Quote
Old 02-29-2004, 03:11 PM   #6
79BIG10
I'm back with 2nd truck!
 
79BIG10's Avatar
 
Join Date: Feb 2002
Location: Texas
Posts: 3,774
Eric it should be the same for your tranny.
__________________
1979 Chevrolet Bonanza Big10 "Tootsie Roll"
1985 Chevrolet Silverado (wife's)
Member of the Southern Bowties Club

"Don't underestimate how sexy a fat man who drinks to excess can be." Homer Simpson
79BIG10 is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 04:02 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com