Quote:
Originally Posted by jocko
Ensure any resistance wire or ballast resistor is no longer present and use 12 gauge feed wire to the HEI power connection (all the way thru from ignition sw) and ensure full 12V present.
EDIT: also, recommend look at VetteVet's posts on this thread.
http://67-72chevytrucks.com/vboard/s...d.php?t=648300
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He is absolutely correct top to bottom.