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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jul 2005 Posts: 169 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2005 Posts: 169 | Is there any difference in the 1/2 to 3/4 ton 47-54 truck?
To my knowledge the frames are the same from the cab forward, the differences start after the rear cab mounts.
The reason I ask is because am considering using the Chassis engineering MII kit, they say the kit fits 1/2 ton only, mine is a 3/4 truck.
I contacted CE a few weeks ago and yet to hear back from them as to why they say 1/2 only, or is there something am totally missing?
Thanks...Eric | | | | | Joined: May 2005 Posts: 334 'Bolter | | 'Bolter Joined: May 2005 Posts: 334 | I believe the frames are different between the 1/2 and 3/4 tons. THe 54 1/2 ton frames are different from the 47-53 1/2 ton frames.
Samantha | | | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | The frames are different. I believe the channel is taller and deeper and the metal is thicker on the 3/4-ton than the 1/2-ton. I can't tell you how much that close to the front, where it could make a difference in mounting the kit.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | | | | Joined: Oct 2006 Posts: 4,983 Master Gabster | | Master Gabster Joined: Oct 2006 Posts: 4,983 | The major difference between the 3600 and the 3100 series is the back half. The rear rails are 11 inches wider in the 3100. Other than being a bit heaver steel (I've been told) the rest of the frames are alike. There should not be any difference that would affect an MII installation. My IFS was not a problem and I wouldn't think yours would be either. http://good-times.webshots.com/photo/2838852770099708909cIMZol
~Jim
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