rear gears
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Elder User
Joined: Jan 2004
Posts: 731
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From: in the springs
rear gears
okay i am considering getting another set of rear gears. (FOR SHORT TERM HIGHWAY USE) gonna be seeing a lot of highway time in the near future and i have been fortunate enough to aquire a spare third member for my 9". now what im curious about is how tall can i go and still have some response from the motor. I am looking at either 2.50's or 3.00's. I currently run 3.50's front and rear will not be locking in the front end with the mismatched gears in the rear.
thanks for any input.
James
thanks for any input.
James
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
James, I think a 2.50 might be hard to come by, but the 3.00 is fairly plentyful, and cheep. I run a 3.00 in my truck and tow with it. It was built for crusing and not stump pulling, so smoking the tires is out. IMHO
John
John
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 784
From: Simi Valley, CA
257-1 introduced in the 70's as I recall on LTD/Galaxies....very few were ordered.
Other options 331-1; 354-1; 373-1; 411-1; 456-1; 511-1 (!)
Ford part number for 300-1: C0AZ-4209-E
Kit came with crush sleeve, "o" ring and powder to set lash.
Other options 331-1; 354-1; 373-1; 411-1; 456-1; 511-1 (!)
Ford part number for 300-1: C0AZ-4209-E
Kit came with crush sleeve, "o" ring and powder to set lash.
Last edited by NumberDummy; Dec 9, 2006 at 01:45 PM.
Fleet Mechanic
Joined: Jul 1999
Posts: 1,360
Likes: 1
From: Iowa
I had a set of 2.75's in a '78 F150 with a 460. While the truck did get decent mileage, it always felt undrpowered and wasn't much good for the towing I do. Parting that thing out was the best thing I ever did for that truck.
