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NGK...
Posted by Alex (more from Alex) on Wed, 6 Feb 2002 11:44:37
In Reply to: NKG vs Bosh quad plugs.., mike, Wed, 6 Feb 2002 04:28:08
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NGK are resistor plugs. The Saab Direct Ignition system reads the resistance on these plugs during spark to determine things like whether the engine is running rich or lean, etc. If you don't use NGK's the DI system may fail or may even break. Car will start to idle poorly after a few weeks, and the longer you run the Bosches the worse the idle will get.
The 7ES are good, but you may want to get them gapped at 9mm rather than the suggested 11, especially if you plan on (or already have) increased your boost.
posted by 152.113.1...
Posts in this Thread:
- NKG vs Bosh quad plugs.., mike, Wed, 6 Feb 2002 04:28:08
- BCPR7ES-11...how about BCPR6ES-11??, Saabuddha, Wed, 6 Feb 2002 19:13:45
- NGKNGKNGKNGKNGKNGKNGKNGKNGKNGKNGKNGKNGKNGKNGKNGKNGKNGKN, NGK, Wed, 6 Feb 2002 15:52:49
- NKG BCPR7ES-11 (((ONLY))) nm, Jim Moncrief, Wed, 6 Feb 2002 15:20:43
- NGK..., Alex, Wed, 6 Feb 2002 11:44:37 <-- Viewing This Message
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