Transmissions and Drivetrain Need help with your trans? Problems with your axle?

best year 4l80 swap ?

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Old Jan 14, 2012 | 09:26 PM
  #1  
gad's Avatar
gad
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best year 4l80 swap ?

hi! i need swap a 4l80e in my car. What year is best for the trans?

my second question, i have a flexplate for a 700r4 to fit in a ls motor,
does the flex plate made for the 4L80??
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Old Feb 26, 2012 | 08:10 PM
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From: MO
Re: best year 4l80 swap ?

2001 and newer is the best. They have all of the "good" factory parts. They are all strong, but that is the strongest factory one.
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Old Feb 26, 2012 | 08:11 PM
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From: MO
Re: best year 4l80 swap ?

Info from another board...

91-93 is early style. You don't want them.
94 to 96 is OK. Early lube system. Updated electronics and internal wiring harness along with case connector.
97-98 OK. New lube system.
99-00 Better. New lube system. Wide band.
2001- up Best. New lube system. Wide band. Wider planets. New overdrive arrangment.
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