69 upper arm alignment shims - Vintage Mustang Forums
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post #1 of 6 (permalink) Old 05-11-2019, 08:05 AM Thread Starter
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69 upper arm alignment shims

Guys,
How much caster is gained per 1/8" of shim on the front bolt of an upper arm for a 69 mustang?
I have seen figures for a 65-66 but a 69 has the bolts father apart so the amount would be different (less i think).

1969 coupe
372 Cleveland, 4 speed, 9" T.50 Trac Lock axle, Toploader, Global west suspension, Big Lincoln Trans Am Brakes front, Eldorado caliper/ MK VII disk rear.
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post #2 of 6 (permalink) Old 05-11-2019, 12:17 PM
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We don't generally use shims on the 69's, so you may not get an accurate answer.

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post #3 of 6 (permalink) Old 05-11-2019, 03:36 PM
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I do know on the 65/66, 1/8 is worth 2*. Maybe try 3/16 for starters

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post #4 of 6 (permalink) Old 05-11-2019, 07:19 PM
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On a '69, caster is typically adjusted with the strut rods.
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post #5 of 6 (permalink) Old 06-30-2019, 09:52 AM Thread Starter
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I know, but to get the drivers side equal to the passenger side, the strut rod is shortened enough that the wheel is not centered in the fender opening.
Now that I have installed bigger front tires, it barely rubs the front of the fender at full lock. So I thought shims could give me the caster I want with the wheel centered in the opening.
BTW anyone ever use that tool that pulls the upper arm out so you can add shims? I think its in the shop manual....

1969 coupe
372 Cleveland, 4 speed, 9" T.50 Trac Lock axle, Toploader, Global west suspension, Big Lincoln Trans Am Brakes front, Eldorado caliper/ MK VII disk rear.
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post #6 of 6 (permalink) Old 06-30-2019, 12:09 PM
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Its not hard at all. I used a BMF screw driver or something similar

Tom

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