3/4" isn't bad as long as they are good wires and won't flop around to touch the headers. Should be fine for basic start up until you get some protective sleeves for piece of mind.
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97 T/A Ram Air Convt
Forever dyno queen / 777rwhp 662 rwtq @ 17lbs / 10.2 @ 140
'24 Corvette Z06
17 Sierra 2500HD Dmax
81 Turbo TA
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