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Hard miss fire under boost. @ about 15PSI.

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Old Jul 20, 2005 | 06:50 PM
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L33 BYT
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From: SUFFOLK
Default Hard miss fire under boost. @ about 15PSI.

ERST with MSD chip and uprated actuater.

So would this be an issue with Spark?
Bad plugs leads or cap.
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Old Jul 20, 2005 | 07:02 PM
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Plug or leads breaking down. Have you checked or changed the dizzy cap and rotor arm. Is it missing or blowing the spark out?
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Old Jul 20, 2005 | 07:04 PM
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Is it missing or blowing the spark out?
I dont think I would know difference to be honest. it always has has a small flat spot. I guess changing simple stuff is always 1st step
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