.
gears ?
Thread Starter
|
Tuned
Joined: Mar 2001
Posts: 491
Likes: 2
From: MS.
gears ?
trying to figure what gears I have.I own a 94 f 450 powerstroke with a 5 speed.the tag is missing on the diff.what is the most common rear end in this truck.thinking about changing the gears for better MPH.
Post Fiend
Joined: Nov 2005
Posts: 7,437
Likes: 4
From: Charles Town, W bygod Va
If you're going to pull the cover, the # of teeth are stamped in the ring gear. doing the driveshaft thing will work also. If you turn the driveshaft 10 times and have someone else count the wheel rev's you can get a pretty accurate reading. With an open (non limited slip) rear end, if you have one wheel on the ground and one jacked up, the wheel will spin at double speed, so a 4.10/1 ratio would equate to 8.2 wheel revolutions to 1 driveshaft rev.
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
In an F450... hardly, you're more likely to find 4.56 or 4.88.
Find the axle code on the calibration decal on the drivers door pillar and cross reference it in the owners manual or post it up here.
Find the axle code on the calibration decal on the drivers door pillar and cross reference it in the owners manual or post it up here.
i ain't rite
Joined: Mar 2005
Posts: 65,581
Likes: 5,613
From: Marlboro Mental Hospital.
that F-superduty (it is not a 450) has a Dana 80 rear axle in it, and the gear ratios were 4.63 and 5.13.
i bet it has 5.13 gears in it, cause the 4.63 was not a popular gearset.
if it still has th truck info tag on the driver side "B" pillar, post up the axle code and we can tell you what it came with.
i bet it has 5.13 gears in it, cause the 4.63 was not a popular gearset.
if it still has th truck info tag on the driver side "B" pillar, post up the axle code and we can tell you what it came with.
Trending Topics
Fleet Mechanic
Joined: Jan 2011
Posts: 1,709
Likes: 4
From: 8600 ft in Colo
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
Top 10 Fords at 2026 Carlisle Ford Nationals
Joe Kucinski
3 Best / 3 Worst Parts of Modern Ford Ownership
Brett Foote
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches
Pouria Savadkouei
Every 2026 Ford Engine Explained
Brett Foote
10 Ugly Ford Trucks That We Still Kinda Love
Joe Kucinski
10 Things Every Truck Owner NEEDS (2026 Edition)
Michael S. Palmer
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Verdad Gallardo
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer
Joe Kucinski
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Fleet Owner
Joined: May 2009
Posts: 21,437
Likes: 76
From: Gilbert, PA
4.63 would be the best Stock gear for fuel economy, but 4.10 or 3.73 would even do better
Thread
Thread Starter
Forum
Replies
Last Post
TheTowingCowboy
1973 - 1979 F-100 & Larger F-Series Trucks
7
May 25, 2010 09:42 PM
lonerangerinaz
Clutch, Transmission, Differential, Axle & Transfer Case
1
Nov 21, 2009 05:31 AM
Gold Dog
Clutch, Transmission, Differential, Axle & Transfer Case
4
Jan 5, 2006 08:31 PM
Boss50
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
7
Mar 9, 2003 09:56 PM