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Old 12-08-2019, 12:16 PM   #20
Purdy Swoft
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Join Date: May 2010
Location: Alabama
Posts: 8,099
Default Re: High compression head vs cooling

Mine still has the model A cackle or chick ah lunk as I call it at idle. They might not idle exactly as slowly as original , but they idle pretty slow with the spark retarded .
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