Anybody ever try this thing. I think I'll order one. For 24.95 there's not much to lose.

 

You can do it cheaper. All they are doing is telling the PCM the air is cooler then it actually is to get full timing. GO here to do it for pretty much free. It's just a resistor. Like the skip shift eliminator.
http://www.installuniversity.com/ins...ricker_mod.htm

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2001 Z28, Black, leather and T's.
A few appearance, suspension and engine mods and she sniffs crack!

 

They did a test on www.installuniversity.com and found out a 8100 half watt resistor would do the same thing! And it's a lot cheaper!!