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79_GMC_C1500_jj
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779_GMC_C1500_jj replied to the thread Changing gear ratios: opinions/suggestions wanted!!.Had similar situation. 79 GMC c1500, crate 350 (installed 2004) w/TH350, stock 3.73 rear ratio. Man, tac'ing 3,000-3,200 doing 55-60...
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