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  1. 12-07-2016 #1
    Opas69
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    Help with TBI conversion

    My sbc engine is 355 ci, 9.5 cr, melling MTC-1 278/288 .421/.444, 193 heads, stock tbi intake/throttle body, headers w 2 1/2" dual exhaust and 700r4 going in 69 Camaro daily driver(hopefully torquey). I will start with 7747 AMUR ecm with chip swap and harness from 1988 gmc van. I think I will be around 330 hp. Questions: # 1-I calculated fuel needs, what about using 80/90 lb/hr injectors around 18-20 psi?#2-What about initial startup with AMUR data in ecm? Possible tweaks?#3-Is WB O2 necessary for tuning?I am sure there will be more to follow.Thanks in advance, Steve
    Last edited by Opas69; 12-07-2016 at 05:50 PM.
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