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Discussion in 'The Garage' started by colbystephens, Oct 13, 2006.
as a 3/4 ride? or are they all 1 ton?
I've never seena 4WD Crew Cab as a 3/4 ton...but I do know the 2WD versions were available as 3/4 ton. My Dad bought a '76 C20 Crew cab brand new when I was a kid.
I've seen a 3/4 ton crew cab before. And yes, it was a true 3/4 ton. The frames are the same as the 1 tons along with the rear spring perching width, but just like normal 3/4 tons, it had the 10 bolt up front. This was a mid-80's truck I saw.
Best thing was, I saw it in Estes Park, Colorado. It was red and sitting at some supermarket parking lot. We parked right by it so I could oogle at it.
The parts truck whose cab is on my Abortion now has on the title "C-20 Crew Cab" and the P/O Said it had "20" badges on it
It had a 1-ton-size frame...
Yeeeeees and no.
There are sixpacks badged as 3/4's.
The frame is the taller/thicker/narrower rear spacing, i.e. 1-ton, for all sixpacks (at least in the 70's, and I believe throughout the 73-91 models. Note the crewcabs kept the old body style through '91.)
A 3/4 crew would have the same springs a light 1-ton single cab would have in back, and the heaviest springs up front.
To upgrade a 3/4 crew to a 1-ton SRW, all you gotta do is replace the rear springs with a mondo huge 10-leaf-with-upper-overload pack, and put on the four brackets and rubber stoppers for the upper overload. The rest of the bits are the same for a 3/4 crew as a 1-ton.
I know, as I've done it. Dug through the GM parts manuals to see what was changed and what wasn't.
I also eventually switched to DRW and hydroboost.
I looked at a late 70s Crew Cab 2wd dually last year. I was considering buying it and was perplexed by the "20" badges on it so I looked up the VIN and sure enough it was a factory 3/4 ton.
so if the only difference is the spring capacity, would it have a 60 up front?
A 3/4 ton rig would have a D44 or 10 bolt in the front.
I have a 78 3/4 ton crewcab. it was a hiway department truck. 2wd. I just measured it and the frame is identical to my other two 1 ton crewcabs.
Ah, sorry. Mine's 2WD, so I was talking about C20's.
Obviously K20's would have a 10b/D44.
ok, that makes sense. i was surprised to think that someone was saying a 3/4 had a 60.
my pappy had a 75 3/4 2wd. the one thing i want to know is why would someone have a crew cab with a 1/2 ton drive train and lift it???my brothers friend has one in my dads back yard.
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