1971 Chevelle with Ls3/4l80E PSI Harnes and Ecm
Does anyone have an idea why it takes so much Timing back.
Can make something other than the knock sensors Knock retard ??
Thanks for helpAttachment 128940Attachment 128941
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1971 Chevelle with Ls3/4l80E PSI Harnes and Ecm
Does anyone have an idea why it takes so much Timing back.
Can make something other than the knock sensors Knock retard ??
Thanks for helpAttachment 128940Attachment 128941