Ok, so got the 91 PR-X tune from MPT and during WOT there’s a short screech sound on the 2nd to 3rd gear shift. On all my other tunes I’ve never heard that before.
Loud screech at WOT
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Nope, it can’t be. Never heard this before. Sounds like it’s from the intake or engine bay.
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Pull the tune back out and see if the noise follows. The second thought would be how are your belts? I've had belts screech when I've thrown more power at it.
Well see, Brett’s tune makes almost 40 more hp and I’ve never heard that noise. Like my serpentine belt? Not sure it’s ever been replaced. I might get a new one soon.
Not yet. I haven’t done much with the truck this past weekend.
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