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Old 04-19-2019, 03:26 PM   #5
fdryer
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Join Date: Jan 2006
Location: NYC
Posts: 43,523
 

2003 L-Series 3.0L Sedan
Default Re: 2003 Ion 3 alignment questions

In my humble opinion, caster off by either 0.15 or 0.18 of one degree is negligible in the overall scheme of front end alignment. In essence, tires leaning backward or forward between one to two tenths of one degree means nothing. The tires are leaning a smidgen more than acceptable. This has nearly zero effect during turns but does affect steering returning to straight ahead driving after a turn. In racing circles with high speeds, this may be a real factor. In normal every day street/highway driving, nil. Let's remember that this discussion is about everyday driving and how caster affects steering response. Not racing at high speeds.

Pulling to one side usually means a bent suspension, somtimes with a quick toe-in/toe-out adjustment to drive safely before repairs are made. Personal experience; bent the right front lower control arm when hitting a curb over heavy snow. Got the car back to my garage and readjusted right toe-in to allow driving to a shop to replace the bent control arm. Drove under 50 mph on local streets to avoid any unanticipated issues while getting the car to a shop nearby.

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