Lucky you caught that one
I use one of those round gizmos with the little "rubber fingers" in the "dye grinder" to go over matting surfaces before re assembly.
I have tremendous respect for the pro indy also. I used to hang around my friends shop quite a bit, he let me rebuild an engine there and I was always helping him do things, pushing cars in or out mostly

One of the things he used to say was he "was responsible (Or potentially) for seven years after a job goes out the door" There was a bunch of down sides to being a pro indy that I had never considered.
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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug
"Lifes too short to drive a boring car"