Originally posted by homealone
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97 Cobra LSx Build Thread
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if it were bolt on I'd rev it. 15lbs of boost is a different storyOriginally posted by fastwhite99gt View PostBah, my 190k mile 5.3 turns 6400 on a regular basis. It's made several trips across Texas at 3700rpm from Texarkana to El Paso with my trailer and a car behind it, averaging 80mph. Don't be scared to spin it on up!2012 GT500
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