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Old 11-22-2005, 12:59 PM   #16
Scooby Specialist
Member#: 56468
Join Date: Mar 2004
Chapter/Region: NWIC
Location: Seattle, WA
04 Improved STI
Dirty White


S. thanks for being polite

The point is that jblaine changed his plugs from 7 to 8 heat range and knock noise dropped by more than half--his compression did not change. Colder plug-->less noise.

Are you arguing that jblaine has lost power by moving to one step colder plugs and therefore the engine is less noisy?
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