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118 Posts
Discussion Starter #1
my 05 with 4l65e shifts hard from first to second, the other gears are fine. do you guys have the same problem ? has new fluid and tranny filter
 

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i got a predator tune on mine and its really agressive under heavy throttle in the 1-2 and 2-3 shifts
 

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Discussion Starter #6
no its been rebuilt, the **** suckers who rebuilt it had to do it like 5 times, i think its about time i save up for one from GM. and no its not tuned, it has an air intake and mag x pipe with three inch piping to flowmasters.
 
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