So, I ordered a piston stop to test top-dead center on piston 1. Despite the vehicle chooser, the tool didn't actually fit my car. So I made my own.
The point of this exercise was to confirm/deny the accuracy of the timing mark on the balancer. Turned out to be off by about 2.5 degrees.
In the photo, there are three Blue RTV marks. The left/right are the stop positions when the engine was rotated clockwise and counter-clockwise. The mark in the middle is top-dead center.
Thought someone may find this useful. Until I saw this done by someone, it never even occurred to me that the mark could be off. I found a guy who worked on a car that turned out to be off by 28 degrees.
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