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From what I've seen there is no difference in the two engines DI system. Maxx ed out on e85 no one has been able to make much power without adding the fa20 PI system. So enlighten me. The only advantage I see here is the ability to use the oil pump gear from the fa20dit. Since it can't be adapted due to a diffrent cover.
Reliability? I have 14,000 miles at 400wtq on the stock engine. I'll keep my 12.5:1 over the fa20dit lower compression anyday. Low compression bis for people with shirt fuel.
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