upgraded transmission?
I have a 2011 gmc sierra LML and i have put a enclosed cold air intake, MBRP exhaust and a H&S mini max programmer. it is pushing around 500 hp as told by my mechanic and that the stock Allison transmission cant handle that. so what do you guys recommend for a new tranny?
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The Allison can handle it up to about 1000 horse but I would upgrade the gut if u plan on going pass it 900 hp
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allison will hold about 700hp stock thats all your gonna be fine if anything just stick a temp sensor on it and a extra deep pan but she aint gonna hold any 1000 horse
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It can handle 5, miles and abuse are the main factors. Tuning can also play a big role in longevity.
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Still no one actually answered the question
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Inglewood Transmissions. Mike Lovrich
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Originally Posted by scrotom
(Post 1026542)
Inglewood Transmissions. Mike Lovrich
dont know where these HP numbers are coming from, 1000hp, 900hp, 700hp... it is pretty well known among the pro tuners that the 6 speed Alison will usually handle about 90hp over stock but anything over will shorten its life, some faster then others |
Originally Posted by 2004LB7
(Post 1031097)
2x - this is where i got mine done
dont know where these HP numbers are coming from, 1000hp, 900hp, 700hp... it is pretty well known among the pro tuners that the 6 speed Alison will usually handle about 90hp over stock but anything over will shorten its life, some faster then others Suncoast 6R-3, MLG TC, Goerend PTO covers will get you a butt load of power to the ground. Mke L, Calvins, Big Dipper and many others can do this work. |
Oops my bad just saw the date on this... :duh3:
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Originally Posted by 2011dirtymax
(Post 1000666)
I have a 2011 gmc sierra LML and i have put a enclosed cold air intake, MBRP exhaust and a H&S mini max programmer. it is pushing around 500 hp as told by my mechanic and that the stock Allison transmission cant handle that. so what do you guys recommend for a new tranny?
Originally Posted by 2004LB7
(Post 1031097)
2x - this is where i got mine done
dont know where these HP numbers are coming from, 1000hp, 900hp, 700hp... it is pretty well known among the pro tuners that the 6 speed Alison will usually handle about 90hp over stock but anything over will shorten its life, some faster then others
Originally Posted by HeavyDuty204
(Post 1069805)
Ding ding ding! Wow, only guy with a real answer on power ratings for the Allison. However, from what I've seen is that the LML trans is a bit more stout than previous model years and can handle about 550 rwhp without serious modification. A lot of guys out there running about that and still going strong after thousands of miles on high hp tunes. That's not to say a guy can't blow it up going full idiot and doing tug of wars...
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