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Old 02-19-2014, 08:33 AM   #2
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Join Date: Apr 2008
Vehicle: 2008 Mustang GT
Location: San Diego, CA
Posts: 1,436

I assume there is blue smoke when he accelerates? Keeping the RPMs low, can cause the piston to not fully extend and travel the full distance in the cylinder head. Overtime, with wear, a ridge line is formed...if you then go WOT, the rings hit that, and may be damaged....take the plugs out and inspect the cylinder walls, also do a compression test.
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success are in no way enhanced by extreme caution...

Last edited by Roy_R; 02-19-2014 at 02:25 PM.
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