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Old 08-07-2021, 08:46 PM   #22
57taskforce
All about them K’s
 
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Join Date: Jun 2014
Location: Land of Entrapment
Posts: 6,487
Re: Very nice 1972 K20 Fire truck up for auction in Scott Kansas 8/10

Quote:
Originally Posted by LockDoc View Post
The 11.5” 14 bolt Rear Axle was also used in the trucks with the 8.1L gas engine & Allison 1000 5 speed automatic Transmission (RPO - GT5 - G80). The 2003 Chevy 2500 that I just dismantled had one in it. (4.10 Posi.)

LockDoc
That is true, I should have said anything with an Allison is guaranteed to have the 11.5 from factory.
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Tyler
'57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888
'72 K20 Cheyenne: 5” lift, 35’s, front dana 60 blah blah blah… http://67-72chevytrucks.com/vboard/s...d.php?t=662879
‘69 K10 SWB: 4” lift 33”s… in a million pieces http://67-72chevytrucks.com/vboard/s...d.php?t=805206
'98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 35x12.5x20’s
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