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91 k2500 350

THEFERMANATOR

FRANKENBURBAN
Staff member
Lead Moderator
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Staff #2
It's a crap shoot, but there's a good chance it has a 4l80e in it. 350 tbi trucks, even 2500's could also come with tbe 4l60/4l60e, but 91 was 1st year of the 4l80e, and most 8 lug trucks got the 4l80e(some early builds still had 3l80/turbo 400).
 
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