5.3 with 241 heads Total timing on a 150 shot?
11-19-2016, 08:14 PM
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5.3 with 241 heads Total timing on a 150 shot? Hey guys I just put on a NX Proton kit on my LM4 5.3 with 241 heads so its a lower compression engine. What do you guys think I need to run for total advanced timing??
