1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

Lift on 2WD 72 F100?

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Old 09-11-2004, 09:34 AM
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Lift on 2WD 72 F100?

Hello,

This fall I am going to begin my disc brake I beam swap. In the process I would like to replace the front springs with taller ones to increase the height and put blocks in the back to compensate. I was thinking of a 2=4" lift. How high can you lift the front by springs before messing all the geometry up? I want to run 31" tires on it but don't want them to look "too big"...

My ole Ford is starting to get intimidated by those "big plastic trucks" on the road nowadays. Just trying to give it a confidence builder.
 
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Old 09-11-2004, 11:33 AM
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you can lift a ford with the front coils, but it will throw the geometry way off real quick. anything above stock is a no no. i have run 31s on stock 2x4 trucks with no problem, even ran 32s on 1 without any rubs. if you have to have a lift, body lift would be the best thing for you to do, i m h o.
 
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Old 09-11-2004, 12:50 PM
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Well, one problem is that my truck has coil springs originally intended for a 302... It currently has a 400M and will have a 460 in the spring.... So I am trying to get it to ride at the stock ride height + a few inches at most. 2-3 inches over stock really makes that much of a difference? I never would have thought!
 
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Old 09-11-2004, 01:38 PM
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oh yeah it makes a ton of differance. you have to change the inner i beam pivot position to lift it with springs, and then there is no since in the lift. i still think the body lift will be the best thing for you, if you just have to have a lift. why not just get a 4x4truck?
 
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Old 09-11-2004, 02:29 PM
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Here you go:
3 inch lift
5 inch lift
Kinda expensive though...
If it were me i would do a shackle flip in the rear instead of blocks, or else you may have axle wrap problems (especially with a 460)
 

Last edited by 79driver; 09-11-2004 at 02:33 PM.
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Old 09-13-2004, 07:44 AM
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Another option, though I don't know what alignment problems might occur, is to flip the front I-beams upside down. I saw a truck here that was done that way. Though he may go through a set of tires every six months. It does give you about 4 inches of lift on the front end.
I would probably lean more towards fabricating lowering brackets for all the front mounts myself. The end result would be cleaner and if done properly would keep your geometry on track.

1 Peter 5:8
 
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