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Patrick L. · 07-21-2022, 10:06 AM

A lot of fellas use Prussian Blue to check for contact area. I just find it too hard too remove when you have to change the placement. So I use a pencil, just a mark every 90* and it comes right off.

07-21-2022, 10:06 AM	#17
Patrick L. Senior Member Join Date: May 2010 Location: Largo Florida Posts: 7,225	Re: Valve Job?? A lot of fellas use Prussian Blue to check for contact area. I just find it too hard too remove when you have to change the placement. So I use a pencil, just a mark every 90* and it comes right off.