holley hp ecu questions
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Car: 88 trans am 72 olds cutlass
Engine: soon to be 5.3 455 olds
Transmission: soon to be t-56 2004r
Axle/Gears: 3.23 3.73
holley hp ecu questions
Has anyone successfully installed the holley hp ecu and got there car fired up? I have a few questions I cant seem to get my 6.0 started with this set up I have read tons of threads on common problems from various sites and and still have a few questions.
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