Resolved issue. In checking each spark plug gap I found that the #5 plug had no gap. I must have hit it when installing it.
Set it to proper gap and the old chevy is running smooth again. Appreciate all the guidance.
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Tuesday, February 9th, 2021 AT 5:38 PM
(Merged)
STEVE W.
MECHANIC
13,462 POSTS
Yeah that will cause a miss. Good that you found it.