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Old 02-21-2005, 05:39 PM
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John Payne John Payne is offline
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Join Date: Apr 2004
Location: Stamford,CT
Posts: 186
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As a rule of thumb..don't add synthetic until approx 1000 miles of breakin on a rebuilt engine.

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65 GTO 4 spd Tri-power Convert 13.64 @ 104.94 2.23 60' 3920# bias ply tires