Re: 89 Silverado Z71
Ok cool man thats helping alot I knew I need the 4.8/6.0 fly but didnt know it was spaced right and how did you get the ecm to live with out the auto trans its programmed with send off to flash it??
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94 Silverado 1500 ext. Cab short bed 350 nv4500 (factory)
78 K20 350 (soon to be 400sbc if I can find one) sm465 205 dana44 14bff 6in lift on 37" militarys
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