I appologize. I have a basic understanding of boosting na cars however. One of the things I've learned in my 3G days is that piggybacks with a wideband are better than FMUs.
To me, an FMU is tuning in the dark. You have very little direct control over how much fuel is being injected and when after you buy the product in compairison to a piggyback.
I should have added that I was addressing this question and that my question was rhetorical:
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Ok mister 420a expert, What do you recommend? Unlike the 4g63 we dont have many choices, FMU being the most common. Now i agree FMU's aren't that great but it is what we have to work with.
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