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Old 11-09-2013, 09:09 PM   #9
barnfind
Senior Member
 
Join Date: Jan 2011
Posts: 426
Default Re: aluminuminging engine?

I used to buy modeling clay at a hobby store for few bucks.
Pretty sticky so
A little talcum powder helps to avoid it sticking to the head.
Peel and measure with caliper.
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