I set one side with both shims/washers on the OUTSIDE, and the other with both on INSIDE (frame horn side). Looking at the pix you can see the springplate flexing bad on the side with them on the outside. The other is not flexing as much.
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1970 T1 W/MassIVe 2913cc RAT/?EFI? w/direct fire (very soon) and 915 trans
1962 SC 1776cc SP 944NA brakes, 993 wheels
VKG