Have they all been built by the same person? That really isn't all that much power to be eating up built motors unless you have some serious build quality/tune issues.
Yup that's your problem.I don't think its builder related. The shop that built the motor is a very very reliable shop amd is one of the bigger shops for subaru here in denver. I think it is tune related i was retuned the day that my motor blew. My air/fuel was at 12.4 through red line after tune. I don't habe much experience with the aem I should plug my laptop in an see I can find anything in a datalogs
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Tuners have been doing very well with Cobb speed density so you could get rid of the AEM EMS and find a reputable Cobb tuner.Last place I had tune the car was racing trenz. The shop that does the building doesn't do tuning but they use harvey the boost creep ltd, mac, and I think revolutions but not sure. I had been referred to trenz to tune my car because the tuner (yi) knowledge with aem standalone
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it sounds like 3 bad tunes or bad gas.^^^^ it's gonna take a lot more then just a short block and I've already popped 2 oem short blocks cobb stage 2 tuned. Its not a daily driven car. The car payment is the cheapest part about this car, I only owe 4300ish on the car.
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