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Registered
Join Date: Aug 2004
Location: Sunny San Diego
Posts: 210
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My #1 had low compression numbers compared to the rest also. Turned out to be a broken #2 compression ring. Played around with the boost controller too much and hit overboost a couple of times.
This may not be your problem, but just FYI.
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David Nguyen
1987 930: 2700 lbs, 408 RWHP/405 RWTQ
930 pics: http://alturl.com/899f9
930 Engine rebuild pics: http://alturl.com/25qcy
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