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rear alignment question
I have discovered my rear toe is set to 1/8" out (toe out). Is this going to cause a tire/handling problem? If so, which way do you turn the toe bolt to give more toe-in? 81'SC
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05-05-2001, 05:48 AM
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How did you "discover" this? I hope it was on a rack type alignment machine. I wouldn't try to adjust unless you are. The two adjusting bolts can be turned either way based upon the needs. You cant just say, turn it towards the back a little to decrease toe. Toe is an alignment angle based on both wheels and the relationship to the centerline or straight line of the vehicle. 1/8 in or out is very neglible and will not cause tire wear or pulling. Ask anyone who does FEA's. You can set a car up perfectly, drive it around the block, hook up all the heads and check it again, and it will be off. Don't sweat it.
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05-05-2001, 07:14 AM
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rattlnsak, thanks alot. I hoped this condition would not cause a problem. car seems to handle ok. just wanted to know if there were any Negative conditions to Toe Out. 81'SC
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05-05-2001, 02:40 PM
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I have to disagree. The 911 needs some toe-in in the rear for stability. It also helps even out the tire wear caused by the negative camber they run in the rear. A slight toe alignment problem will eat up tires quickly compared to other alignment angles. When you compound tire wearing angles, they'll wear at an alarming rate. (negative camber wears the insides and so does toe out) If it were toed in a little too far it wouldn't be as big a deal because it wouldn't be compounded by the negative camber.
------------------ Tyson Schmidt 72 911 Cabriolet 92 C-2 Cabriolet |
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05-05-2001, 07:21 PM
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The spec is 0". The whole point of this was that unless you have an alignment machine, dont do it yourself. 1/8 toe, in or out, will NOT make a neglible difference. To much/little toe does not cause wear on the inside or outside edges of a tire. It causes a feather edge across the whole tire. Based on a lot of neg camber on the rear a *lot* of rear toe in/out would cause featheredging across the inner portion of the tire either at right angles or left angles depending on in or out toe. Does not affect dynamic or static stability. 0" is the best, but anything up to 1/4" is neglible. Anything past 3/8" should be corrected.
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05-06-2001, 07:03 AM
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