Considering the condition of the buildsheet posted above I don't see the reason to clean it. On many others, the condition is bad enough to the point were they can't be read completely.Engine207 wrote: ↑23 Mar 2020, 17:08So…while I’m isolating, I started putting my document folder together. I’ve got the original invoice, the Marti Report, blueprints and specs on the engine rebuild, etc. and came across this article in ConcoursMustang.com on how to restore a buildsheet that may be stained, from years of underlayment: http://concoursmustang.com/speegle/Arti ... ration.pdf
Seems pretty simple, but is there a reason I wouldn’t want to clean it up? I have a 1966 Fender Precision Bass and I wouldn't dream of cleaning up its years of dive bar mojo.
Just an opinion from the guy that wrote the article