Anybody running the LT4 100 octane GM performance tune?
all they did was relax the IAT spark modifier, it's not a different tune.
Originally Posted by Higgs Boson all they did was relax the IAT spark modifier, it's not a different tune. Wow and they want $350 to purchase ?
Originally Posted by Wheeler Wow and they want $350 to purchase ? I can't comment on Chevrolet's pricing strategy. It's probably cheaper than paying a tuner to license the car plus labor plus you keep the warranty. A lot of people are concerned about that. Is what it is.
Originally Posted by Higgs Boson all they did was relax the IAT spark modifier, it's not a different tune. Do you have details for know where I can find a copy of the tune?