possible i bought this truck with a tune?
i have noticed that i have no governor, i got it up to 130 but shut it down, when sitting in park it can rev as high as you want it to go...i thought the gm tune had a rev limiter and governor?...but it does have that 1-2nd slap still...so could it be that the guy before me had it tuned or used a hp tuner or something to remove the go and limiter. it has borla exhuast, a cutout, completely different air filter...so im pretty sure it was raced.
Car service: If it ain't broke, we'll break it.
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