I think that all you need is a distributor with mechanical and vacuum advance. Get an electronic one for a 318 so the timing curve is right. Use ported vacuum on the carb for the dist. Junkyard or Summit Racing for what you need.
I don't think the trucks had the electronically controlled carburetors. Check to see if there is a plug on the float bowl (there might be a throttle switch, which does not matter). If it does have the electronic carburetor, then you need to replace it with a conventional one or you will not get any enrichment during hard throttle. The metering rods are controlled by an electromagnet, not vacuum on the electronic carbs. I helped a friend get one of the electronic carbs to pass Kalifornia smog check. Not easy.
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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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