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6l80e?? is it worth it?

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Old Jun 21, 2013 | 01:14 PM
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Default 6l80e?? is it worth it?
Im building an lsx sierra for boost abd im trying to figure out is it worth the work of transplanting the 6l80e ?? Is there special attention in need of tune??
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Old Jun 21, 2013 | 01:21 PM
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07+ sierra I hope. These don't work in a NBS. And no, if your going for boost just jump into a 4L80e, even built 6L80e's aren't holding up to power in these heavy *** trucks.
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Old Jun 21, 2013 | 02:00 PM
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Share some more details of your setup so we know what you are trying to do.
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Old Jun 21, 2013 | 04:34 PM
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Im building an 02 sierra 2wd 370ci twinn t72mm e85 and 14bolt with 4.10 gear on 315 dr..
Im looking for a long lasting tranny..
Share your idea.
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Old Jun 21, 2013 | 06:38 PM
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Built 4L80E, unless you don't need overdrive
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Old Jun 21, 2013 | 08:23 PM
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Originally Posted by pewterliftedz
07+ sierra I hope. These don't work in a NBS. And no, if your going for boost just jump into a 4L80e, even built 6L80e's aren't holding up to power in these heavy *** trucks.
Everything I've read says with tuning the stock 6speed will hold 5-700@ the wheels .

But I'm learning also , is this not true or are higher power levels /tuning killing them ?
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Old Jun 21, 2013 | 08:45 PM
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Originally Posted by TIM Z
Everything I've read says with tuning the stock 6speed will hold 5-700@ the wheels .

But I'm learning also , is this not true or are higher power levels /tuning killing them ?
I'm getting daylight under the front tires with mine with 3.73's and a 2800 stall
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Old Jun 21, 2013 | 09:05 PM
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Originally Posted by dick_landy
I'm getting daylight under the front tires with mine with 3.73's and a 2800 stall
Yeah man that's what I'm talkin bout !
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Old Jun 21, 2013 | 09:30 PM
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Just remember Weight is also a major factor in the lifespan of the trans.
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Old Jun 22, 2013 | 01:08 PM
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Originally Posted by 03sierraslt
Just remember Weight is also a major factor in the lifespan of the trans.
They hold up to a lot of power in vettes from what iv seen. But I know silversleeper and hammer have blown a few 6l80e's off the top of my head.

OP the 6 speed is not an option for you in a 02.
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