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predetination problem? 200

posted by  Trev29 on  Wed Oct 29 10:30 CST 2003
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last visit: Fri Oct 17 05:56 CST 2014
[RELATED]

Pre-ignition /detonation/pinging/rattling is bad for the engine because the fuel is igniting as the pistons are still on there way up in the compression stroke. You can basically blow a hole in your piston.

To avoid this preignition you can try a higher octane gas which is less likely to ignite before the spark. Or you can try retarding the timing. Or maybe try a cooler spark plug.
--
1980 245 Canadian B21A with SU carb and M46 trans






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