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Old 11-22-2017, 02:53 PM   #29
100IH
Senior Member
 
Join Date: Dec 2011
Location: SW Idaho
Posts: 672
Default Re: Noise in my new 29 a engin

With no arrow indicating front, it might not matter. On the mod. A, many were slotted on one skirt, those had to have the skirt oriented correctly. I don't remember which way, but if the machinist installed the rings and piston and rod assemblies he no doubt was familiar with the issue. I must add that I agree with the post about not advancing the spark to the full stop position. I go with just enough advance to get satisfactory performance, more is not better, just hard on the crank & bearings.
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