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Originally Posted by DeAdGnRaTiOn
Well to my knowlegde, the MAF-T is only if you are translating your ECU to work with the GM MAFs I could be wrong but that seems to only make sense to me. S-AFC may be better because you can actually get a reading. MAF-Ts have little dials and it is trial and error when adjusting. I say look at your prices and see which one makes more sense for you.
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Sheesh... The MAF-T has a quite comprehensive manual that explains the process of tuning with it. It has all the adjustment increments in the manual that correspond to the characters on the dials. So it is just as trial and error as a S-AFC. The nice thing about the MAF-T is that is has a base adjustment for larger injectors, so can actuall use all of the adjustment range on the Hi-Mid-Lo knobs. Whereas if you are using an AFC to compensate for larger injectors, you loose that same amount off of your tuning adjustment. Now don't get me wrong, I would take an AFC over the MAF-T for tuning purposes every day of the week, but a lot can be had by using them together, or as Khad sad using the MAF-T with DSMLink. The guys that make the link have said that it is a strong possibility that they will be adding the ability to just plug in a GM MAS directly with no MAF-T to their DSMLink. There are also very cool things in a AFC such as the ability to run two maps(I used one for race fuel and one for pump), actual load reference for fuel adjustments(TPS, but some have changed to a MAP style so it compensates based on boost which is awesome), and a knock gauge(which doesn't really work in DSM's.