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Car has been unchanged for quite a while now.. been two years since I moved over to E85. Only thing I can think of is I swapped the hood with a Cervinis GT500 hood. I'll double check it but it's definitely bolted on snug and lines up properly and latches properly. No other changes. There was a...

I have 4 tunes for the car currently. Full E85, Flex tune, 91 tune. All three of these are from Lund. The last one is the Ford Performance 91 tune. I transitioned from E85 to flex to 91 for a bit then back over to E85. Yeah I figured I don't have to pull the whole thing off just to check what I...

I've been dreading have to pull the intake manifold off but it's definitely on my check list once I verify it's not coming from elsewhere in the engine bay. It's just so strange that it's not more common if that were the case.

I don't think it's audible when it occurs from memory. Hard to tell apart from the 2k rattle that's ever present lol. I figure it's just an ever dreadful case of false knock and I have to find whats hitting what. I do wonder if maybe the Bullitt TB can be problematic and somehow cause...

Hello everyone. I've been tuned by Lund on e85 for some time now, but I've been noticing an extremely odd issue lately. Extremely randomly and sparsely, when accelerating from a stop, I'll see some knock retard varying anywhere from minor .5 upwards to 6. 90% of the time it's pulling between 1...

Hello everyone, I've run into an annoying dilemma as of yesterday. So Monday morning my battery died and I had to get a jump start. Bought a new battery and installed it, everything is good. What I noticed however is after my initial battery died, my daytime lights wouldn't turn on. Not the...

Hey guys, Just had some questions on the air filter used in the 18+ calibrations for the GT's. So the air filter in the calibration kit is identical to the oe filter in the Bullitts right? Is there a cleaning procedure for this filter, if they're even cleanable in the first place? Per the...

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