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Old 03-11-2014, 10:24 AM   #9
Billett
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Join Date: Jun 2012
Location: Pittsgrove, NJ
Posts: 1,502
Re: Best Transmission???

Didn't need to modify my tunnel for the 4l80. I've heard the 6L80 won't handle as much power, but that was quite a while ago. I imagine by now there are upgrade kits that can handle just as much power but I'm sure they cost much more $$$$. If it's going to be built I'd avoid the 4l60.
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Will
1968 C10 - Project Texa Go 6.0/4L80e
2003 Mitsubishi Lancer Evolution
2002 Ford Excursion 7.3L
2024 Toyota Sienna
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