Brad, I have them on an '86 K20 with 406, Edlebrock cam, performer intake,
750 carb, headers and slightly modified ignition and it SCREAMS. And this is
with 3.23 gears, 700 tranny and 33 inch mudders. I don't think It'll do 12s
either, but I am very pleased. My daughter chooses to drive this truck
instead of the Chevelle when I give her the chance. Go figure.
Brian
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