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Level 7 4l65-70e

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Old Sep 1, 2009 | 08:18 PM
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Default Level 7 4l65-70e

Hello just curious to see who is all useing this trans, i assume they are heavy duty as one can get.

I am going to need a new one when mine falls apart.
Any data suggesting what HP level they should be able to handle in my 4200lb truck

I plan on adding a 150-200 horsepower to my rig and need want a good trans.

How do the three different power adders effect a trans, IE turbo supercharger or N2O? Is one way harder than the other on parts?
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Old Sep 1, 2009 | 08:45 PM
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You should probably do a 4L80e swap, with a built 80e from flt or rpm.
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Old Sep 1, 2009 | 09:09 PM
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Yea, with a power added 6.0, I'd think that an 80E is the way to go (and I'm all about using the 60/65E for all it's worth, paying off an FLT Lvl7 that will eventually have an NA LQ9 in front of it). I'd ask the guys at FLT what level they'd recommend for you
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Old Sep 1, 2009 | 09:11 PM
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My eyes almost popped out of my head when I saw $3400 for a 4l60e.
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Old Sep 1, 2009 | 09:23 PM
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FWIW a turbocharged engine is much easier on parts because of how it applys the power. Nitrous is always a harsh jolt unless you have it stepped in with a controller (which few do correctly) and a blower for the most part increases low RPM Tq, so the stress on trans and drivetrain is greater. I wouldn't say you "need" an 80E, one of their Level 7's would probably do you fine depending on which route you take. I ran a FLT Level 5 for 2 years until I got more serious with my turbo setup... Then it was time for a more serious trans

-just my experience...
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Old Sep 1, 2009 | 09:40 PM
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I think the level 7 would be a good tranny for ya. Right much money for a 60e though
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Old Sep 1, 2009 | 10:35 PM
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I think mine is considered a level 7 and surprisingly it has held up well. I have nothing but good things to say about my friends at FLT
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Old Sep 1, 2009 | 10:37 PM
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For 4wd it's a great option. 2wd, cost wise I dont know. Even the level 4 80e is only $2200.
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Old Sep 2, 2009 | 03:45 PM
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Originally Posted by GMCtrk
For 4wd it's a great option. 2wd, cost wise I dont know. Even the level 4 80e is only $2200.
A 4L80E isn't the best option for everyone. Ideally you want the lightest drivetrain components you can get away with. But when power and reliability butt heads, somethings gotta give.
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Old Sep 9, 2009 | 07:24 PM
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Originally Posted by silver-mod-o
A 4L80E isn't the best option for everyone. Ideally you want the lightest drivetrain components you can get away with. But when power and reliability butt heads, somethings gotta give.
i took reliability over goin fast


But Andy at FLT is a cool guy to talk to, call him up and see what he suggest. 630-350-7776
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