Quote:
Originally Posted by gnx7
My buddy runs the Holley HP EFI on a built n/a 440ci resleeved LS2 with T56. It literally fired right up once you enter in the parameters... and it kept learning/fine tuning the more you drive it.
He has paid a few tuners in our area thousands and thousands of dollars to tune it running HP Tuners and the stock GM PCM/ECU over time with its never ending upgrades.... well it runs the best with the Holley and has made the most power (only a few more HP)... but now it also gets better fuel economy.
No more tuners wanting $400+ to tune your car... or a couple hundred if you make small changes.
I'm putting one on my 5.3 turbo setup.
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Yes, I spoke with one vendor and he was pushing gm, Of course then he can tune it, I live in the middle of no where so if I was to take it to a tuner it would be minimun of 5 hr drive. thanks for the advice