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Rob,
The best hitch I've seen on a GMC V-drive such as your 4108 is Daris Bothiller's 4106. There is a good picture of it at
http://www.freewebs.com/darisb/
Click on "Exterior" then "Receiver Hitch.
Note that he is pulling from the suspension which is steel. Most GMCs are rigged to pull from the engine cradle which also telescopes forward to the aft bulkhead. Not a good idea. Those two aluminum channels tend to break and if you replace them with steel then the bulkhead may eventually give away. |