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Old 04-16-2011, 06:23 PM
dutchman3119 dutchman3119 is offline
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Join Date: Dec 2010
Location: Michigan
Posts: 22
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I only know what the guys tell me and all 3 engines start much better. I have an extra set of heads for my 982 and I will be trying grooving them. I will also try it on a spare head for my 123
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