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Posted by Vaughn [99.88.72.93] on Saturday, June 26, 2010 at 09:54:42 :
In Reply to: m 37 tune up posted by Dennis Sherman [96.237.33.36] on Friday, June 25, 2010 at 21:14:34 :
From Army Technical Manual TM-9-2320-212-20
Plug gap .028 - .033
Point gap - .020
Timing
Using a timing light at idle - advance to 2 DBTC. Speed engine to check for spark advance.