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Old 05-25-2020, 11:11 PM   #5
57taskforce
All about them K’s
 
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Join Date: Jun 2014
Location: Land of Entrapment
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Re: Rebuild 1972 K10 12 bolt or swap in 14 bolt Semi Float or Full Float

I agree the 4.56 gears will definitely help you with towing. It helps take a lot of load off of the whole drive train by making the wheels easier to turn. A big part of making axles and drivetrains in general last is how they are driven. Spinning tires don’t break parts it’s when the spinning tires catch traction that problems result. If you use common sense when your driving and don’t let it wheel hop or catch hard traction in slick conditions you will last a long time. If you pin the throttle on ice and then hook it up on asphalt... well stuff is probably gonna grenade... like i said I wouldn’t hesitate to run a 12 bolt with what your trying to do. I’ve got one in my 3100 with 35’s and 3.07’s and it has been no issue at all.
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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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