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  1. 03-06-2017 #1
    wtjoker
    wtjoker is offline
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    400 SBC Tune

    Greetings! I wanted to get some ecm ninja's to take a look at the Bin I am running on my 400 SBC. Runs really good but I think there may be some room for improvement. Application: 1989 5.7 wiring harness and TBI (i know i know 454 TBI would probably work better but im not made of gold). High rise intake, full headers, A/C and 3 speed T350 Transmission. All stock sensors and O2. I am running a 27fs512 chip using a Burn2 programmer. Thanks!
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