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I need a drivers side window regulator for a 1976 M880. 77-78 regulators are a dime a dozen, but I can't find a manual regulator for my truck. Saturn supply lists one, but they don't respond to my emails. Suggestions?

Last year I picked up a 76, and 77, M880s. The 77 ran, but very poorly and was rough. The 76 didn't run, but appeared to be in far better shape. The idea was to build a plow truck that would last me a few years. Thanks to copious advice, I was able to get it up and running. I'm winding down the...

I'm not having much luck with may lights right now (76 m880). It might help if I knew what all of the BO settings are supposed to do. I'll state what I get on the settings and maybe someone can tell me what it is supposed to do. The TOP switch: BO Drive---I get front and rear BO markers...

Still trying to figure the beast out. '76 M880. Did these come with limited slip or open differentials?

I assume my 76 m880 has a Dana 60 in the rear. The thing has a significant clunk when shifting between reverse and drive. Was this normally a fairly tight axle? I've a parts truck I could switch axles with (assuming it is in any better shape). I don't think I've the know how or tools to...

My 76 m880 idles nicely (purrs like a kitten) and seems consistent at varying speeds, but it is rather gutless. I realize these things were never power horses from the factory, but it seems to me that the 318 should put a bit more umph out... My 90 k1500 and 96 f150 both totally put this beast...

Now that I know my Beast will run fine, I dropped the tank. I would guess it had between five and ten gallons of the nastiest brownish-orange, sour gas in it! I pulled the sending unit and emptied the bloody fool thing out the best I could. Any tricks to get the remaining pint or so out? It...

Here's a few pics of the Beast. 1975 (according to the registration). It was a communications vehicle and think would be a M882...? I'm going to try to get it polished up and make it my primary plow vehicle. The parts vehicle below had an older Boss plow that someone messed up a bit. Welded...

What is the best shop manual you have found? I've used Hayes, Clymer, and Chilton and all seem to have a fair amount of deficits. I'd like the most complete manual available (75 m880)

I just picked up a 75 M800 with a 77 parts truck. There is fuel to the pump. I tested the pump on the bench and it seems fine. Mounted in the engine it does not pump fuel. I assume that the rocker arm on the pump rides against a cam of some sort. When I install it, there is a slight tension...