SN oem factory build markings

[Myself]

Hey guys, I happen to get in a really nice ORIGINAL ONE OWNER squarenose that needed a little work. I swapped out the stock aluminum impeller and saw these markings under the tray. At the rear mounting holes are 1.1 and 1.4...........turns out that's exactly how thick the shims were back there. But still wondering what those other markings are.

 

[Myself]

......OK, so nobody knows. How many of you have also seen these factory shim and other markings/

 

[SteveC]

I've seen the shim notes/markings. Exactly as you described.

 

[WFO Speedracer]

By the time I see one it's been beat to hell and back and repainted three times so no markings

 

[Kohldanielzimmer]

......OK, so nobody knows. How many of you have also seen these factory shim and other markings/

I have them on my 90

 

[Kohldanielzimmer]

 

[kevbo]

I have a 93 that still has 03/92 hand written inside.

 

[Myself]

This one looks like........7/30............69............and maybe some initials