Unfortunately two of the Alcoas got mangled by a Timmy at the tire shop so.... they are used on the inners now
Rear lighting is still in progress. To my knowledge there should be no issues with the LED bar.
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1998 GMC 3500 HD Overhaul - Crew Cab Commercial Chassis GMT-455
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Rear lighting is still in progress. To my knowledge there should be no issues with the LED bar.
BNielsen
I'm Awesome
Dude.
I've always wanted an HD, but seeing this truck makes me HURT for a crew cab HD. The tire and rim combo looks perfect! Can't wait to see more of this truck.
I've always wanted an HD, but seeing this truck makes me HURT for a crew cab HD. The tire and rim combo looks perfect! Can't wait to see more of this truck.
If you find a crew cab HD... buy it. So far as I have seen they are very uncommon.
Drunkcanuk
I'm Awesome
Damn....I have no real practical reason for one of these, but I want one so bad now! Looks like a awesome project.
Pictures updated
Unfortunately two of the Alcoas got mangled by a Timmy at the tire shop so.... they are used on the inners now
Rear lighting is still in progress. To my knowledge there should be no issues with the LED bar.
Now don't go blaming Timmy! (that happens to be my name)
Reluctanse
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those alcoas... 
TCBRacer77
I'm Awesome
I do apologize for my ignorance, but I am extremely fascinated… what’s the difference from this to a regular c3500 crew cab dually? GMT 455…? I’m here to learn! Haha
stutaeng
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1991 - 2002 Chevrolet & GMC C3500HD History, Specs
Information and history on the GMC/Chevrolet C3500HD, General Motors 15,000 lbs GVWR chassis cab produced between 1991 and 2002 model years. While the truck may appear like a standard 3500 model at first glance, it sits on a heavy duty frame that is far different than that of the pickup...
www.dieselhub.com
The links to internet resources I have found on the subject are listed below. I will update the list over time if I find other links. If anyone has any technical documents not linked below please post!
gmt455 chassis links grouped below:
1991 - 2002 Chevrolet & GMC C3500HD History, Specs
Information and history on the GMC/Chevrolet C3500HD, General Motors 15,000 lbs GVWR chassis cab produced between 1991 and 2002 model years. While the truck may appear like a standard 3500 model at first glance, it sits on a heavy duty frame that is far different than that of the pickup...
www.dieselhub.com
1991 - 2002 Chevrolet/GMC C3500HD King Pin Replacement Guide
Step by step procedures on how to rebuild the king pin assembly on a C3500HD front axle. King pin bushings will wear in time and require service. A worn king pin may cause erratic tire movement, wandering, and make it difficult to maintain control of the truck. While servicing the king pin...
www.dieselhub.com
