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Registered
Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,511
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There is zero transfer of knowledge from the 996/997 engine build to an old 3.2L air cool engine rebuild.
Do this.
1. Check compression
2. Check leakdown of each cylinder.
a. Leak down of Cyl 1 at the C1 TDC position should be less than 10%
b. While in this position, leak down at Cyl 4 should be 100%. Do you get that?
3. Ensure that cam timing is correctly done on one bank, then rotate engine 360 degrees to do cam timing on the other bank
4. Make sure you have the distributor rotor pointing to the right position for Cyl1 when Cyl1 is at TDC.
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Porsche 2005 GT3, 2006 997S with bore-scoring
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