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Old 07-10-2018, 05:05 PM   #1
jocko
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Factory 4L80E in a K2500 - what was the first year?

Like the title says... 1st year for factory 4L80E in a (non-diesel, 8 lug) K2500 - anyone know?
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Old 07-10-2018, 05:35 PM   #2
b454rat
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Re: Factory 4L80E in a K2500 - what was the first year?

1991
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Old 07-10-2018, 06:25 PM   #3
jocko
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Re: Factory 4L80E in a K2500 - what was the first year?

Thank you! Had found a few different answers, wanted to confirm. Now for the bonus round - did it become standard equipment (of an automatic was ordered) or was it an optional transmission that year (if an automatic was ordered)? Thanks for your help.
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Old 07-10-2018, 07:00 PM   #4
95 S_Trucker
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Re: Factory 4L80E in a K2500 - what was the first year?

The 4L80E was the only automatic offered in 8 lug trucks starting in 91. The only way to get a TH400 in 91 was to buy a leftover from the previous year.
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Old 07-10-2018, 09:37 PM   #5
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Re: Factory 4L80E in a K2500 - what was the first year?

Thanks! Guess that's why it's so hard to find a decent, low mile, 91-94 K2500...
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