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Join Date: Mar 2003
Location: San Diego, CA
Posts: 4,903
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Are you sure you are not feeling piston to valve contact? With the timing belt on, assuming you have the timing correct, turn the motor over by hand to verify no interference.

Check proper timing by setting the crank at TDC using the flywheel marks, then verify the cam gear TDC marks line up.
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Jon
1988 Granite Green 911 3.4L
2005 Arctic Silver 996 GT3
Past worth mentioning - 1987 924S, 1987 944, 1988 944T with 5.7L LS1
Old 12-08-2012, 02:04 PM
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