# Custom ECU Tunes?

**URL:** <https://forums.speedlife.net/t/custom-ecu-tunes/187441>\
**Category:** PittSpeed Automotive\
**Created:** [January 15, 2007, 7:34pm UTC](https://forums.speedlife.net/t/custom-ecu-tunes/187441 "2007-01-15T19:34:30Z")\
**Posts on this page:** 1\
**Showing post:** 40

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**Author:** ![SoLow](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/solow/32/6001_2.png) [@SoLow](https://forums.speedlife.net/u/SoLow)\
**Post date:** [January 18, 2007, 1:30pm UTC](https://forums.speedlife.net/t/custom-ecu-tunes/187441/40 "2007-01-18T13:30:54Z")

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> [@Mischief Assault](https://forums.speedlife.net/t/mischief-assault/27342/15):
>
> I’ve only tuned a couple of 5.3 Silverados. Advance timing, lean out PE, remove torque management, etc. I think Diablosport charges $75 to unlock. If they don’t list your year and engine, then it will not work.  
> Diablosport it much better than any of the hypertech tunes that I have seen, plus the tuner itself has more user options.

ya just from looking at there site and the options they can do on vehicles is real good, its a shame they dont make 1 for the 4.3

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