Rear end Gone!
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Freshman User
Joined: Jun 2004
Posts: 32
Likes: 0
From: Utah
Rear end Gone!
Hello all. I am new here, but have read a ton of good info. I have a 79 supercab f150 with 3/4 leaf springs on front & back. 400 motor with performer edelbrock carb and intake.
I just shredded my rear end. I had to pop it into 4X4 to get home. I HAD 4:10 gears. I run the higway alot, would 3:73 gears work better for gas mileage? Would I need to use 1st gear in a manual shift with these higher gears ratios?
What would it do to my towing capabilities?
I just shredded my rear end. I had to pop it into 4X4 to get home. I HAD 4:10 gears. I run the higway alot, would 3:73 gears work better for gas mileage? Would I need to use 1st gear in a manual shift with these higher gears ratios?
What would it do to my towing capabilities?
Logistics Pro
Joined: Aug 2003
Posts: 4,701
Likes: 6
You shouldn't have any problems with the 3.73s. You will need granny when starting out with a heavy load. The mileage should improve, and your rpms will drop. The capacity will probably decrease a little, but I think overall you will be happy. I had 3.73s with 33" tires and I liked it, but had to switch to 4.10s. Now it is a little too low geared for my taste. I wish I had the old gearing back and that is with 33s. You probably are running smaller, so 3.73s will still be fairly low geared. Ted
