some have said the trans would need to be changed but in the 2500 series the trans is the 4L80 so it is the best one available from the factory.If you can go to auction and pick up one wrecked with a 454 and do a complete swap of the engine and all the computer and wires it's not that tuff if you have time and some imagination it will work.Those trucks are all Vortec and they are particular about the computer. I changed one that was a 4.3 with the w engine code put a z code engine in and it would not run changed the injector and it ran perfect.
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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