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New member, 85 720 4x4

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La_leo View Drop Down

Joined: 04 Nov 2016
Location: Louisiana
Status: Offline
Points: 4
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    Posted: 04 Nov 2016 at 11:05am

Any advice that I cant get is appreciated in advance. Next week I'm buying a completely original 1985 720 4x4. Z24 engine (carbureted.) This truck is a ONE owner (crazy right) and has 75,000 original miles and has never been thrown in a mud hole. Now the bad news. It's been sitting for about a year without running. The gas has gone stale, so I'll probable just buy a Weber replacement and see if the fuel tank and lines are salvageable. Its FILTHY from sitting under trees. I'll probably go through the systems, brakes, electrical, A/C, steering, suspension, etc. One thing I've researched is that I should go ahead and change the head gasket and bolts. Here's my list so far:


Replace carb (with a Weber) and drain and clean the fuel system. Is 280 dollars about the right price for these things? Thought it was a little steep, but that's with the adapter plate and everything else.


Change all fluids (front end, rear end, transfer case, front diff.) Probably will need a new transmission from what the owner told me, he stated that overdrive doesn't work. That will hopefully be something easy to fix and hopefully a full rebuild won't be needed. Might also flush the power steering and will definitely flush the brake system. All the drive-train belts are shot and I'm sure there are some cobwebs and mice nests somewhere.


There are a few rot spots in the bed from having leaves decay in it over time. I'll have to address that. Also a rot spot under the hood where radiator mounts at (well next to it in front of the battery.) Frame looks solid, I'm sure ill hook it up with some rust converter and under coat.


The inside is gross, I'll probably get new carpets for 150 dollars (aftermarket.) The seats are ripped, may re upholster or just go the cheap route with covers. It's going to be a hunting truck, not a trophy, but I want it to be reliable. Also the steering wheel needs replacing, the wrapped leather and foam is all torn up (don't think a cover will do.)


Mechanically I want to check the valve clearance, change the oil, and make sure it's safe to start up. Anything else you guys can think of? I'm not 100 percent sure how I need to check the valves, but I assume I pull the valve cover and use a wrench on a lock nut and adjust with a flat head. I think I read on here that the engine needs to be at TDC for some of the valves, and turned over one whole turn for the other. 

ALSO, I'd love to find a factory service manual for the 85!!! Having trouble finding a download or actual manual on EBAY. THANKS!

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