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1.5" Forward A-Arms?

712 Views 6 Replies 6 Participants Last post by  HPnMORE4J
Can anyone who understands suspension geometry explain what affect going to a 1.5" forward a-arm would have, do you get any of the benefits of a slightly longer wheelbase (which typically rides better), as well as being able to run a 33" tire w/ chains (specific to my use I would guess. Lol)

Is there any negatives? Would it affect (Negatively or Positively?) the high speed handling of the car? <--- That is very important.

Thanks!!
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The first issue I could see would be the Tie-rod angles/ratio would be different . I would think it would have some effect on ackermann steering/bump steer.. I think all else would depend on the geometry that is built into the arms..
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If the upper and lower control arms are oem length, and both ball joints are moved forward 1.5", then the caster and camber would remain the same.
The steering geometry would change, but without some analysis, I can't say if it would be better or worse.
The important thing is to maintain the oem wheel offset for best handling.
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Slightly worse turning radius, That's about it.... Also, no one makes boxed ones for a 64" except SATV.
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Yes it affects geometry, if they are adjustable you can adjust camber which is what's affected the most.

If you're running larger tires 32-33+ (64" for the most part) it will help with rub. Extra clearance extra offset.

Adding length IMO, is insignificant otherwise.
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