Pinion angle change?
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Pinion angle change?
Its a 78 F150 4x4 reg cab long bed. I'm installing a 6in suspension lift and I was wondering as to whether or not I'm going to have to change the pinion angle on either of the axles?
Posting Guru
Joined: Oct 2007
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From: Sedro-Woolley, WA
Short answer, yes.
The front will probably need to be corrected using caster bushings to correct the caster angle.
The rear will have to be rotated up to correct driveline angles. Angle shims can be used in the rear but I prefer to move the spring perches.
The front will probably need to be corrected using caster bushings to correct the caster angle.
The rear will have to be rotated up to correct driveline angles. Angle shims can be used in the rear but I prefer to move the spring perches.
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,251
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From: S/W Missouri, Polk county
You can order both the rear shims and front caster bushings and install with basic tools, no welder required. lol Moving the spring perches will require a welder....
Do not forget a trac bar drop bracket or a adjustable trac bar, either will work. And are you going to use a drop pitman arm and get longer brake lines?
Do not forget a trac bar drop bracket or a adjustable trac bar, either will work. And are you going to use a drop pitman arm and get longer brake lines?
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,251
Likes: 5,815
From: S/W Missouri, Polk county
Ask the lift manufacture, I am sure they have that answer in their tech dept. 6" lift maybe like 7 degrees on the front is something I remember reading somewhere, I am WAGing it. WAG='s wild **** guess, lol
Is the Moog trac bar adjustable? I am not a 1/2 front end lift kinda guy, but I understand that a drop pitman arm, trac bar drop bracket and a adjustable trac bar is the set up to use.
Is the Moog trac bar adjustable? I am not a 1/2 front end lift kinda guy, but I understand that a drop pitman arm, trac bar drop bracket and a adjustable trac bar is the set up to use.
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