Thread: New 351W Missing Problem at Higher RPM
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Old 10-18-2002, 10:47 AM
mark peterson mark peterson is offline
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Join Date: Jul 2002
Location: Troy, MIchigan, MI
Cobra Make, Engine: Lonestar 427 SC w/351 with 400 HP: 69 Black Jade GT500
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I pulled all the plugs last night and 5 out 8 were very black with carbon. Most were not gapped correctly. If anyone can confirm what autolite 25 plugs should be gapped at this would be appreciated. I was told .55 for MSD ignition so i set them there.
Most plugs were .33 to .40, with one being .18.

Have not tried it yet, but will this weekend .
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