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So, I've been needing a new truck. I knew I'd want something classy. Something I'd be proud to drive. Something I could cruise up to the lake in with my girl.      Ah, there we go.  So, I suppose with these miles it's kind of like a time machine.  The interior sure brings us back to days gone by.  The seats adjust in interesting ways.  Should I ever ford a river, those intelligent Japanese engineers provided a handy drain right under the driver's feet! How considerate!  The radio might need some updating, though.  And it might need some body work.  Engine bay is pretty clean, though.   But someone did something awful to the battery.  So, this is my new to me 1981 Datsun 720 King Cab Pickup. My Hyundai is getting more and more to where I'm not always sure about taking it to work, and it's a bit snowy down the road to work for my bike, and the channels of mud crossing the road don't make it any nicer for riding. So I picked this up for basically nothing as a backup commuter/firewood hauler/go to the dump truck. The four wheel drive works like a champ, and so does the motor once it gets started. It's not the original motor, I don't believe, since I don't think they started using the twin spark until 83 or 84. Shifting is a matter of guessing where there might be a gear and sort of vaguely waving the shifter in that direction. It also pops out of 5th on the highway. Items for immediate action: 1. Replace the 8 year old battery with something that might have enough amps to turn the engine over. At the same time, maybe figure something out about that negative terminal. 2. Repair those fine Chrysler seats so that they are actually bolted down to the rusty remains of the floor. 3. Figure out a spare tire as the one under the bed may in fact be from the factory. 4. Probably ought to bolt the roll bar down to more than just the fender wells it's attached to now. After that we'll see about things like "radios" and "turning the air cleaner plate back the right way around".
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Dec 22, 2014 04:20
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| # ¿ May 12, 2024 18:19 |
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leica posted:Why would you want to do that, you'll lose all those extra horses! No poo poo that's what he said, heh.
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Dec 22, 2014 06:00
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Viggen posted:So... did this come from Ferntucky, or Gardnerville? Parked on main street in Yerington.
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Dec 22, 2014 21:07
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CroatianAlzheimers posted:So, wait. The truck is still badged as a Datsun but has a Nissan engine with Z stamped heads? When did Datsun do the Nissan changeover? Do the heads signify anything other than a dark sense of humor on the PO's part? Does this (awesome) truck have an old Z-car engine in it? What the actual gently caress? Yeah, 83 they changed from being Datsun to being Nissan. The truck is an 81, but as far as I can tell the motor is either from a later 720 pickup since the twin spark motor didn't come out until after 83. It's not a Z-car motor because those were all 6s.
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Dec 24, 2014 19:46
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I replaced the battery, bolted down the seat, and today drove it to work for the first time. Over flat level ground it was fine, though it doesn't like going much faster than 65 and 60 seems to be its sweet spot. The problem came on the long grade up out of the valley, about 7% for 2 miles. It wouldn't do it in 5th or 4th, and in 3rd it kept bucking and kicking no matter the throttle input, though full throttle was certainly worse. At one point I dropped down to 2nd, and a big cloud of smoke shot out the exhaust and I gained a little speed, but then it started bucking again. Into third, and despite some bucking it made it up the hill. Sooooo.......I suppose it's time for some carb cleaner down throat, a good oil change, maybe plugs and wires, and maybe time to look closer underneath to see if there's a cat that needs cutting off. I'd like to seafoam it before the oil and plugs, but with as old as it is I'm afraid that might kill every seal it has left. Anyone else have any thoughts as to the condition or solution?
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Dec 30, 2014 17:38
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cursedshitbox posted:How old is the fuel filter? It might have a coffee can full of cat hair for all I know. I'll add that to the tune up list.
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Dec 30, 2014 18:03
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Heh, so it almost didn't make it home. Jumping and bucking even on flat ground, in all gears, though much worse on hills. Never died, and usually when I would clutch in and rev the piss out of it or pull over and rev it in neutral, it would get me another few miles down the road.
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Dec 31, 2014 02:34
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 So yeah, it's probably the filter. Edit: Yep, it was the filter. I managed to find one over at O'Reilly's, replaced it, and along with a little carb cleaner everything is running a lot better. The bigger test will be tomorrow in the cold on the way to work. Mr. Wiggles fucked around with this message at 00:06 on Jan 5, 2015 |
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Jan 4, 2015 22:29
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leica posted:When you seafoam it, put some in the crankcase and run it for about 50-100 miles before you change the oil and it will clear out any sludge. Worked great on my Camry. Yeah, that's on the list for after I wire in a master power switch. The current battery disconnect system won't last much longer on the roads I drive. This morning I pulled that grade at 60 in 4th though. 
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Jan 5, 2015 16:59
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Astonishing Wang posted:NICE WRENCH BRO. Should I buy one? Probably a good idea since you gave yours away. Really it works great I'd say go for it.
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Jan 5, 2015 22:07
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Weekend update! I have acquired a spare tire/wheel assembly. The tire is slightly the wrong size, but it's mostly bald anyway, will get me home in a pinch, and was $35 at pick n pull so what are you gonna do? When I get around to buying all new tires, though, I will be able to buy a reliable spare. I, um, go through a lot of tires.  As a very important task, I got rid of the macrame plant holder that was previously securing the battery and installed a proper tie down. Next to it you can also see the actual cut off switch I wired in, rather than the 1980s RV style post disconnect that was on the truck before. This will buy me time until I figure out what's drawing away power when the truck is off.  I also changed the oil for what was probably the first time in years for this truck, and while I was under there I discovered that I will have some future maintenance items.   That's actually some of the better rubber on the front suspension. It's going to need a complete front end rebuild.  But most importantly, Sweet Leilani now has a home. 
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Jan 12, 2015 01:07
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Maybe later. Right now, the slightest bit of messing with it results in the truck not runningOk. Basically everything in the truck is a hot lead off that post. Custom wiring!
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Jan 12, 2015 18:27
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You know, my grandad had a 2wd version of one of these that he kept around for dump runs and so forth. In the deep deep desert where I grew up, that back jump seat with no a/c was about the worst place to be when you pulled up to the landfill. So I have discovered that nobody makes the old "universal" CV boot kits with the split boot, two hose clamps, and a big packet of grease. I was going to use one to patch the busted CV boot on that front halfshaft, since I'm afraid that if I remove the halfshaft to repair the boot properly I'll end up destroying the careful balance of dryrot, dirt, and old oil that's holding the front suspension together. And the little bodge job that's holding the drivers' seat in place has broken, so I'll have to spend the weekend creating new seat rails so that reaching for the pedals doesn't result in me reclining into the rear window.
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Jan 24, 2015 04:01
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| # ¿ May 12, 2024 18:19 |
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Awesome, thanks. None of the local parts places sell that or any other split boot still, but Summit had that exact Dorman part. Conveniently, my band practices right next door to Summit in Sparks, so I'll pick it up this week!
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Jan 24, 2015 22:10
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