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New gears need a tune
Hey guys I just put in a 12 bolt with 3:73s and my speedo is way off. Anyone know how to tune it and can anyone help, I'll buy beer and lunch.
thanks
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1998 Transam Chameleon -- SOLD
1981 Trans am Pontiac 400, TH350 -In progress
Bored .060 over, speed pro forged pistons, cat H braun rods, STOCK CRANK CUT .010 .010, ROLLER timing chain, melling 60lb oil pum, comp lifters, comp push rods .080 wall, speed pro molly rings, #62 heads fully ported, stainless valves 2.11X1.77,comp springs and retainers, clevitte bearings, Melling SPC-7 camshaft RAIII, QJ carb 700 cfm
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