Thread: High compression kit for SD engines?
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  #21  
Old 01-31-2020, 07:12 AM
J GLASGO's Avatar
J GLASGO J GLASGO is offline
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Join Date: Jun 2004
Posts: 1,021
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I had these trw domes in a 71 Ho with ra4 cam. Car went low to mid 12,s on Polyglas tires

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