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Re: 72 Gmc k15 Lift adivice
the way i would do it is put your cruising rpm in the middle of the power band of the engine so your not working it hard .
and check to see what the carrier split is for each axle so you can price out gear swap parts . you might need new carriers for the jump to 4.10 gear .
most of the time its cheeper to go used axles with the gear you want than install all new in both unless you can setup gears your self .
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77-k30lb BIG truck build .
87-k30lb budget beater build .
85-k30lb the plow machine build .
85-c10sb summer fun toy .
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HOLLEY SNIPER efi = worst case of p.i.t.a i ever had .
EDELBROCK pro flo 4 = best deal going so far . love my setup works great.
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