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2009 sierra tranny Qs

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Old Feb 23, 2009 | 03:10 AM
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Smile 2009 sierra tranny Qs

..hi guys..

im buying a new truck a 2009 crew cab 1500 and i will be addindg a Zo6 camshaft,CAI,LT HEADERS,magna flow duals....how much can a stock tranny handle...and do you guys recommend any tranny upgrade...

its a daily & offroading truck..so i need it to be tough

and ill be going for 33 tires ...i want to give this truck to my sone 20 years from now..


cost please
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Old Feb 23, 2009 | 11:46 AM
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That should be the new 6 speed auto, there isn't much upgrades available for those trannies yet
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Old Feb 23, 2009 | 12:44 PM
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Originally Posted by built408
That should be the new 6 speed auto, there isn't much upgrades available for those trannies yet
yes the 6l80...i think there are parts but what to go with for 300 whp
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Old Feb 23, 2009 | 09:30 PM
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i would imagine a stock 6l80 could handle 300whp no problem..
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Old Feb 23, 2009 | 10:30 PM
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you should be fine with those mods just stock
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Old Feb 24, 2009 | 04:38 PM
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Originally Posted by schino
i would imagine a stock 6l80 could handle 300whp no problem..
you think so or you know so...its differnt..by a tranny long
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