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FLT lvl5 4l80e or lvl7 4l60e

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Old Aug 22, 2009 | 08:32 PM
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Default FLT lvl5 4l80e or lvl7 4l60e

anyone know what would be considered the stronger/more durable trans of the 2?
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Old Aug 22, 2009 | 08:36 PM
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LOL without question the level 5 4l80e. It should hold up to quadruple digit power numbers.
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Old Aug 22, 2009 | 08:41 PM
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yeah, the 80e is good for over 1000rwhp+ in our heavy *** trucks

that 60e is only good for about 550rwhp max
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Old Aug 22, 2009 | 08:49 PM
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Level 5 4l80e
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Old Aug 22, 2009 | 09:02 PM
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thanks fellas..hopefully that question didint come across to stupidly.
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Old Aug 22, 2009 | 10:15 PM
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what are you doing for a motor set up that you need to ask this question?
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Old Aug 22, 2009 | 10:54 PM
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plans include building up a 6.0L, and adding a front mount turbo...the trans questions was simply some research for the near future
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Old Aug 23, 2009 | 12:07 AM
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A stock 80e is stronger than a fully built 60e.
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Old Aug 23, 2009 | 12:39 AM
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Originally Posted by RandomHero
without question the level 5 4l80e. It should hold up to quadruple digit power numbers.
It did for Parish.

Originally Posted by nightrunner
that 60e is only good for about 550rwhp max
I hope you're wrong on that & being a lil conservative. I'd feel more comfortable if you said say, 6-700rwhp; 700 would really put me at ease. That way I'd think I'd never need more than a Level 7 60E.
Myself, I like the fact that a highly built 60e is direct & it has the better 1st gear & OD ratio by a tad. Probably more than wire harness mod for a 80E, is I'm really spooked on gettin tuned PROPERLY for 80E.
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Old Aug 23, 2009 | 12:44 AM
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i would say AT MOST 600-650 is what ull see out of a 65e fully built. just depends on ur setup and i believe weight has a lot to do with that as well. so in a fbody it may see 700 but a truck i dont think id say over 600...
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