check how the plug wires are placed on dist cap , lots of people don't know the HO firing order is like a 351w not a regular 302..
do you have a check eng light on ??
if this stuff checks out good , unplug 1 inj at a time , kinda like a power balance test .
your bad cyl will show no rpm drop when you do the inj test .
let us know your findings .
ssp91ssp
hector
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