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Re: modifying 4.8 vortec wire harness need help.......
gauges, you have to have the comp reprogrammed to sent out a v-8 tach signal, you can drill and tap plate above oil filter to make oil gauge work, rt head near the rear their is a plug you can remove redrill and tap for temp sending unit.
if using a transmission that doesnt have a speedo cable you need an eletronic speedometer (definatly cheapest and easiest fix, but not the only way to do this)
im putting an eletronic speedo behind my factory gauge face and needle. im thinking a 94ish s-10 speedo will "work"
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67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck
66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate.
28, model a rpu project,
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