61 Rear end rebuild - Ford Truck Enthusiasts Forums



1961 - 1963 F100 Unibody 1961, 1962 and 1963 Ford F100 Unibody trucks

61 Rear end rebuild

Reply
 
 
 
LinkBack Thread Tools Search this Thread
  #1  
Old 09-25-2012, 12:44 PM
Justin Smith Justin Smith is offline
New User
Thread Starter
 
Join Date: Sep 2012
Posts: 2
Justin Smith is starting off with a positive reputation.
61 Rear end rebuild

Anyone know what gear ratio i should put in it for more gas mileage/top speed? i dont know much about gear ratios and such, id gladly appreciate the help.
Reply With Quote
  #2  
Old 09-28-2012, 10:39 AM
cobraguy cobraguy is offline
Posting Guru
 
Join Date: Dec 2000
Location: San Diego CA
Posts: 1,791
cobraguy is starting off with a positive reputation.
Justin welcome FTE. A little more info would be helpful. Things like what truck you have. Engine size, transmission, stock or modified, what rear end, intended use, all comes into play when selecting a gear to make the most of what you drive and how you drive it.
Reply With Quote
  #3  
Old 10-03-2012, 11:31 AM
Justin Smith Justin Smith is offline
New User
Thread Starter
 
Join Date: Sep 2012
Posts: 2
Justin Smith is starting off with a positive reputation.
Its a 61 f100 unibody, 292 y block, 4 speed, 9" rear end, and im gonna just build it to be a weeked/casual truck, something i can just go out and cruise around in but id like a decent top speed.
Reply With Quote
  #4  
Old 10-05-2012, 10:27 AM
cobraguy cobraguy is offline
Posting Guru
 
Join Date: Dec 2000
Location: San Diego CA
Posts: 1,791
cobraguy is starting off with a positive reputation.
If you run 235/75/15 tires you can get away with gear ratios as low as 3.00-1 but you start working it real hard at the higher speeds. My 61 uni had 3.89-1 with a 292 2bbl and granny 4spd and 31" mudders. It topped out at around 75MPH. It got 14MPG on a trip from Tacoma to San Diego averaging 60MPH with 1/2 ton of stuff in the bed.
Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Gear Ratio Reality Richwon4 Excursion - King of SUVs 1 05-21-2016 10:23 PM
Changing Gear Ratios Daleksandrovich 1987 - 1996 F150 & Larger F-Series Trucks 7 03-22-2014 10:37 AM
6R80 gear ratios meborder Clutch, Transmission, Differential, Axle & Transfer Case 6 03-08-2014 10:28 AM
6-speed gear ratios blueovalman Modular V10 (6.8l) 1 02-21-2008 09:22 PM
gear ratio for bigger tires???? Shanemh 1987 - 1996 F150 & Larger F-Series Trucks 12 06-13-2007 04:00 AM


Go Back   Ford Truck Enthusiasts Forums > >

Thread Tools Search this Thread
Search this Thread:

Advanced Search

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
Trackbacks are On
Pingbacks are On
Refbacks are On

Forum Jump


All times are GMT -5. The time now is 03:49 PM.


This forum is owned and operated by Internet Brands, Inc., a Delaware corporation. It is not authorized or endorsed by the Ford Motor Company and is not affiliated with the Ford Motor Company or its related companies in any way. FordŽ is a registered trademark of the Ford Motor Company.