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  1. K

    Improve Fuel Economy

    Thanks Bummer:(....... With the poor fuel economy I'd have thought an enterprising tuner out there would have done some "fiddling" with a/f ratios and timing to improve when needed. I just unloaded a Pontiac Solstice GXP that could be tuned for 50+ additional hp with the flip of a couple...
  2. K

    Improve Fuel Economy

    Hello, New to the forum and my KK. Curious if there is any consensus on ECU tunes to improve fuel economy. Performance is adequate for my needs (pull a 2000lb fishing boat), but wondered if there were any tunes out there that 1) worked 2) didn't screw up the engine and 3) weren't detectable...

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