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Video is up for what it's worth.
https://www.youtube.com/watch?v=nlnWSuuxiIw
It sounds pretty good but the wind was blowing pretty hard so it is a little hard to hear.
I bought the HPTuners used and have used it to modify about 10 ECM's. I am still learning but there is a lot of info on line about it.
Here is a tutorial posted by our own Gregski:
http://67-72chevytrucks.com/vboard/s...light=hptuners
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