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Hi guys. After reading a lot of these forums and having just bought my first old (read as super cool) cruiser, a hj47, I've started to wonde if the alternator will be up to the tasks I have in mind to place on it.
My plans at this point are:-
1) duel batteries,
2) most likely Thermo fans (I plan on turbos and all the fruit to get the old lady moving along on the road and the tracks) and,
3) maybe even a third battery after I sort out my slide on/off camper to keep the Boss happy. (It was kind of part of the deal so I could buy it in the first place. You'll say anything when you fall in love....with a car).
Any help would be great, and from what I've read so far if there's anything you don't know around here someone will point out your ignorance and give you at least some sort of direction. So please point and direct away. I don't get on here as much as I'd like but I will definately be keeping an eye out for any advice.
Thanks in advance
Moose
P.S. Please go a little easy on me.....I'm only new!
There's nothing really wrong with the viscous clutch fan that should already be on that 2H motor so I'm not sure that an electric fan is necessary, though if someone else thinks so, I'm willing to listen. As for the alternator, it'll probably only be a 35 amp unit, rather small really. You can upgrade to a larger alternator, my HJ 45 has had a later model internally regulated alt that's about 70 amps. But there are larger alternators available for your vehicle, your local auto leccy would be in the know, but, just so you know, new alternators with the vacuum pump on the back are rather expensive.
I think it should charge your batteries given enough time and that they are in good condition.
The alternator also has a vacuum pump on the back, providing vacuum power to the brake booster. So any replacement would have to replace the vacuum pump as well.
At first I thought it was a sea anemone, upon closer inspection I realised it was a funky ball of tits from outer space.
Thanks. So again forgive my ignorance, but with the internal regulator, it's in the original alt right? I know 2/5 of f.all about auto electrics. I'd thought about the vac pump too, would a later model ie 60 or 70 something have a vac pump and provide better amps or would I need to chase something else and fit a vac pump? I'm still in the VERY early stages of this rebuild, that is I've brought it home and have bounced all the things I want to do to it off the boss (missus) and tried to catch all the things that she hasn't ruled out entirely (still working on the 6.5 diesel chev thing, I'll keep bouncing that one till she makes me sleep on the couch for a week. LOL it's kind of like camping anyway right? ). At least I've got the nod to do all the body work and 2.5"-3" exhaust any advice on which would be better would also be good. I might sneak in some sliders and a custom built tray while she's not looking.
Your HJ 47 will most likely have an externally regulated alternator, the voltage regulator is on the firewall, next to the heater blower in the engine bay. Even though it's only 35 amps, it should do ok, get it rebuilt or save your pennies for a new one. Also, I wouldn't touch a Chevy diesel with a 40 foot pole, totally overrated motor and anyway, parts for Toyota motors are way easier to get, especially when you're in a remote area. If you want a bit more power, turbo your current motor (if it's still in good enough shape) or keep your eyes out for a Toyota 12HT, it's the turboed, direct injection version of the 2H, sweet donks.
yeah. Ithnk I've given myself a bit of a reality check on the chev now. An idea without a plan is just a dream, as they say. it was nice to dream though . I've been looking for a 12ht since I first got the truck. A rebuilt short motor from repco is $7500 . I've also managed to find 1 in darwin not rebuilt and maybe not even complete. to be honest I balked at it's price too $7000 neat. I don't know to much about them but is that a fair price or not? but I think I'll just bite the bullet and get the rebuild kit for the 2h and, like you say and I was thinking, turbo it. I may not seam like it but I'm actually a diesel and gas turbine mechanic by trade(s). I don't know what it is about your own car that makes you second guess every decision. must just be that it's your own car and you can't blame anyone else for the end product. mind you, I didn't get my ticket until a few years after these engines went out of production, so the information from people who have worked on then in here is an awsome advantage. beside being able to bounce ideas off like minded people and learn from there experience/mistakes.
So thanks for the help and I'm sure to ask a whole lot more about what you think of this or that. I'll get some pics up once things start to roll.
Oh! and another thing.... does any body know if the oil squirters from the 12ht are cast in or are they stand alone items that might be able to be put into the 2h. I'm "fairly" sure that they're pretty much the same carcass arn't they? I'm more than willing to be corrected.
Oil squirters are screwed into threaded holes in the block, not sure if you could maching a 2H to suit, honestly you would be better of saving your coin and getting a 12HT.
with the alternator: shop around. I got a brand new, not rebuilt, internally regulated 80A unit with new vac pump from Ashdown Ingrams (admittedly mate gets trade price as is auto elecy) for $250.00. By the time you pull yours off, pull it apart, put new bearings in, new brushes, clean it all up I reckon just get a new one. My 60 series just required a 75 series adaptor/cable/plugs and it was plug in, no cutting of wires necessary.
Also a good cooling system is definately required where you are.......
My 60 series rebuild....
http://www.outerlimits4x4.com/ftopic103004.php&highlight=
Repco in Townsville can fit the oil squirter's. They told me they turn the block upside down and machine the location and then drill and tap the block at the correct angle. If you rebuild use steel sintered pistons .
X2 on what Flyology said on the alternator. I got the same and from same people here. These alternators are simple to put new brushes in but at times the diodes are a problem and soldering in a new set does not last very long at times. cheers
thanks for the help guys. Turns out that I'm getting a new radiator anyway. While I was moving the old girl around the yard for access on the weekend I had it parked on the driveway and it decided that there was entirely too much coolant in it and decided to lowwer the level via a faorly decent hole in the from of the bottom tank. I "might" be able to get it fixed but I figure do it right, do it once. costs a little more now but saves HEAPS later on. I might have to check what the price is for getting the block drilled for the squirters because even though I'd like a 12ht, I just don't think I've got the money (read as patience to wait till I have the money) for one. besides, anyone can buy an engine, but if I do it all myself I'll get that warm fuzzy feeling every time I head out in her. I think?
Hi I just bought a 9/1982 HJ 47 troopie and i love it.............it cost me $2750.00 but he second gear does not work. it will cost me $1650.00 to fix the gearbox and transfer case so i thought it might me better to get a 5 speed gearbox and transfer case can anybody help me to find out what would fit. This truck will go anywhere thanks mates ralph 0438648299
. I've been looking for a 12ht since I first got the truck. A rebuilt short motor from repco is $7500 
. I've also managed to find 1 in darwin not rebuilt and maybe not even complete. to be honest I balked at it's price too $7000 neat. I don't know to much about them but is that a fair price or not? but I think I'll just bite the bullet and get the rebuild kit for the 2h and, like you say and I was thinking, turbo it. I may not seam like it but I'm actually a diesel and gas turbine mechanic by trade(s). I don't know what it is about your own car that makes you second guess every decision. must just be that it's your own car and you can't blame anyone else for the end product. mind you, I didn't get my ticket until a few years after these engines went out of production, so the information from people who have worked on then in here is an awsome advantage. beside being able to bounce ideas off like minded people and learn from there experience/mistakes.