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Well damn! I may be without heat. I don't want to remove all that for a long time, when I restore it right, 10 years or so. Those hoses Bart's talking about are your A/C lines, they come in above the frame rail under the battery on my firewall. Here's my crusty valve and pinched hose,

I'm hoping I can use a stubby screwdriver and a mirror to get to mine.

I've ran a straight hose from the bottom coolant inlet to the rear bypass tube for the intake manifold and plugged the cylinder head water outlet. This is temporary until I can get the heater hoses and heater valve replaced, this winter. Thanks for any opinions. Cliff

I'll wait 48 hours

maybe it's the camera's angle but the gaps on the passenger's side of the hood and hatch look wider than the driver's side

Good read, I especially liked the comments.

I'm gonna say that stuff would be hard to bend enough to hook to the heater valve. Mine has some off the shelf lines on it now and they're pinched off from the sharp bends. They need to be pre-formed or bent. The big ones for the top and bottom radiator hoses would be super nice! I'd like to have those too.

Black Dragon! Look at this JGREEZY, Datsun 240Z, 260Z, 280Z, 280ZX & Mazda RX7 iCatalog - Black Dragon Auto

The dealer parts guy has to get out old microfiche and search for part numbers, they don't like to do that or mine don't at least, if it's not on their computer they'll say they can't get it. Searching around the internet for part numbers is what I do then they can punch that in their computers without having to actually work, you get the parts and they'll be happy too. I think he said '84 and older is on the fiche.

I put mine at #3 when I rebuilt the motor, runs great but I don't know where I'll move it too when the chain stretches.

Yes that's it, a cable from your heater control panel hooks there and opens and closes it. Mine is frozen up and crusty. I just got a new water ****-heater valve yesterday from my Nissan dealer, $45.78 tax and all. Part #27116-E4400. After reading everyone's comments on standard heater hoses I may get the original equipment braided ones. They're out there, price wise for sure, $100 for 2 hoses and the firewall grommets. Maybe I'll use the Gates that I have already? Mr Arnett, which hoses do you have? I need to do more researching! It's the middle of the summer and I think I'll run a straight hose from the bottom coolant inlet by the alternator to the metal tube behind #6 that goes to the manifold and drive the tires off it. It doesn't get cold down here until December.

You can see the hoses down in the passengers floor board to the left, on the tunnel where they go into the heater valve. https://www.google.com/search?q=240z+heater+valve+location&rlz=1C1BOFA_enUS494US494&espv=2&tbm=isch&tbo=u&source=univ&sa=X&ei=Qly0U4DGI8qV8gHasoHYAw&ved=0CBwQsAQ&biw=1280&bih=620 Maybe it was just a weak hose? I've read the aftermarket hoses aren't as good as OE braided ones from Nissan. Somebody could have used straight heater hose and got it pinched making the bend and caused it to burst. Also read you can get the heater core out without removing the dash but it's a PITA. Removing the dash would also be a huge PITA.

I think I'll be lucky to get my money back on my '77 if I ever sold it. There's still plenty of those around.

"I pity the fool", who hasn't driven a Z.

When my timing is set right it runs cooler, too much advance makes it run hotter. Back it up some and see. I think properly adjusted valves help too. Make sure you have the right spark plugs, NGK BP6ES, gapped .039-.043. Just a couple of ideas, good luck. Hell, I forgot the most common. Check the resistance of your fan's clutch, it shouldn't spin too easy. A cheap thermostat has a smaller hole than a Nissan one. Get a Nissan 180. Take the cap off and let it get up to heat and see if coolants flowing across the top of the radiator nice and steady, you may need a new water pump. I put a new clutch and pump on both my '72s as well as the Nissan thermostat when I first bought them, cheap insurance. $50. Does yours have a shroud like the 280s or just the smaller piece on top? I'm thinking of putting a complete shroud on my 240 like the 280 has. A lot of folks run twin electric fans too. Lots of possibilities on over heating. OK scratch about half of what I said, I looked at your pictures. Can you adjust the temp for when the fans cut on?

I wish they'd blocked that Bieber punk at their border.

I'm going through the same thing. My heater valve is leaking onto the passenger's floor board so I looped the 2 connections with a short piece of hose instead of plugging them. It does run hotter on the gauge but feeling around the engine I don't think it's too hot for any damage. My local Nissan parts guy ordered one yesterday and I hope to get it today. I've found some Gates pre formed heater hoses that I can work into that tight spot next to the tunnel. I won't be shooting fire crackers this weekend, eating and drinking too much for sure though. I'll put some pictures and part numbers up when I'm done.

I couldn't see anything that looked different from the car next to it, I spend half of my time comparing the 2 against each other. I'll call them today, my google minded self didn't even google the Shop, thanks Steve. I thought maybe that's what they called it when they had to install a strut instead of "compressing the spring". It's bad out alignment and shredded the inside half of the tread on the front passenger's side of those BF Goodriches. I think maybe their "clapsing" is the cause of that. Thanks again guys, y'all are the best. Cliff

Both my 72s have the Jeco clock, '77 does not. It took about a month to get mine, I'm in Etowah county.

I guess you reflowed the solder to try and fix the problem, :stupid:. I wasn't thinking, sorry.

I'm thinking they meant collapsing but after google.com-ing I can't find an answer. Is it removing one round of the springs to lower the car? Thanks for any clues or for deciphering the bill. IMG.pdf

Sounds like it's loose somehow. What if you removed it and cleaned the ground, maybe use some deoxit cleaner and dielectric grease on the connector, then tightened everything back down real good? http://atlanticz.ca/zclub/techtips/electricalconnections/index.html

Get a new fuel filter.

I'll gladly give out a chuckle every now and again for all the help y'all give me. And yes sir Captain I always told the people around me "never do this" as I was doing wrong, mostly illegal, but those days are long gone. I tend to be by myself a lot in my older years, my "friends" always have a way of creating problems. That's what I like about you guys, solutions, not problems. I'm taking some time off from my Zs, my house and garage are a mess. Have a good weekend Z friends. Cliff

"A Japanese jigsaw puzzle" that's great! Welcome aboard and yes, please put up some pictures.