Zed Head

Download the Service Manual for your car and check the Body Electrical chapter. Google the term "280z fusible link". Get a multimeter and start using it. It's the best way. Don't assume anything unless you've confirmed it with the meter, many parts get replaced for the wrong reason. Datsun Service Manuals - NICOclub

On the 76 those two heater doors are mechanical. The 78 diagram seems to show the same. You can see if they're open or closed by eye, and manipulate them with the engine off, just move the lever from Defrost (closed) to any other setting (open). Do you have the little knobs in the center of the vents pushed in to open them? And are your hoses still connected. Mine are old and inflexible, fit poorly, and get knocked off easily if I dink around under the dash. I've had my carpet get stuck in the doors and keep them open. It's cramped down there. Edit - used the Snip tool (a pretty cool gadget) to add a picture.

Thanks for the addition. The pressure leak-down could be a factor. Is your FPR lower than the rail or higher? Siteunseen's look higher in his pictures, which would just blow vapor past the FPR, leaving liquid behind. If the FPR is low, then the liquid gets pushed out, leaving the rail dry. Just working on the heat pipe/heat pump/"cooling coil" theory. The other difference might be the injectors. I did a little internet work and find that the four hole injectors that I have are called "multi-hole" type and the stock and the Bosch are "pintle". The Standard FJ series appear to be their own design, a variation on the Bosch design, according to their web site. Maybe the internals of the injector are a factor. Posted a couple of links below. The SDS description does not match the Bosch diagram for the multi-hole. Not positive what's inside my 280 150 901 injectors. I removed my cooling fan completely the other day. No more reaching under the dash to turn the timer on. My obsession with heat soak is diminishing... Nice metal work. I assume the new rail is of similar shine and detail. Tech Page Injector Spray Styles - Tech Corner Standard - Fuel Injectors

Sometime the tiny details matter most. If you rock the drum side to side the brake shoes will move and you won't make much real progress. If you rock/beat/pound/tap them top and bottom then the shoe pivots will hold the shoes and you get more for your effort.

johnc knows more but is probably working... Ideally, the circlip would be the only resistance to the shaft fitting in its splined hole. If youhad to use a press then you have no idea if it was inserted to the correct depth (circlip in both grooves) or too far (rubbing on the dust seal and housing) or not far enough (binding the half-shaft). If it was mine, I would pull the axle back out, remove the circlip, and make sure the axle slides in and out without the need for large force. I have a stock J30 VLSD diff that has a tight axle but it can be removed and inserted with just heavy tapping, and you can tell when the clips engage. You might have some burrs on the axles or may have crushed the clip. Where did you get the axles, are they recently made or an old set? Maybe, no offense to Wolf Creek, the attention to detail has dropped a bit and the new ones are on the plus size side. You should have test-fit with no clips, then inserted the clips for final installation.

Is this with the engine running, with the key On, or with the key off?

If the engine runs fine and it's just the tachometer that's weird then a condenser/capacitor might help. But if the engine runs weird also, that is a sign of a bad ignition module. Mine would run fine until I too it over ~3000 RPM, then it would behave (the ignition module) like you describe. The tachometer read too high, and the engine ran rough and would barely idle. If I turned the engine off, it would fix itself, until I took it over 3000 RPM again.

Are you in Vancouver BC or Vancouver WA? Read through some of your old posts and don't get a general picture of what's going on. In general, if things don't start working the way they should, getting all of the basics right is a great place to restart. Do all of the tune-up procedures and you won't have to wonder about them.

Those numbers vary with model, but are all shown in the FSM's, Engine Electrical chapter, Distributor section. Here's an easy link also, where they've been compiled. You'll need Excel or an Excel viewer. http://www.classiczcars.com/forums/electrical-s30/34192-280zx-distributor-advance-curve-reference.html

Is there a problem with the way the engine runs? Didn't see any described. The first thing described in the Tune Up chapter is valve adjustment. It seems like it might be the most difficult, changing plugs is easy and external, but I would guess it's #1 for a reason. Probably because it has the most effect if it's wrong. I'm just like most people and did not adjust my valves until well after I had messed with everything else, when I first got my car.

You can really get your head spinning on these modifications...

I realized over the last few days that the person suggesting the heat pipe theory, FastWoman, has her fuel rail wrapped with insulation, and little sign of the heat soak problem. But she does have FJ3 injectors. One more reason to wonder. It's hard to get a grasp on a single solution for the problem. Still haven't heard from the two other guys with barbed aluminum rails. Probably out enjoying the spring weather.

The material comes from rossmachine drilled lengthwise but otherwise there are no other holes. Here's a member who just received a pre-made rail, Post #138. http://www.classiczcars.com/forums/open-s30-z-discussions/50066-280z-full-restore-5-months-hopefully-2.html#post455933 If you're not handy with tools, like drills and taps, and don't want to run around looking for fittings, the pre-made rails aren't really a big premium over replacing stock parts, or trying to make your own, once you add up the drill bit and taps and fittings and rail.

Those look the FJ3 or FJ707 injectors. They have a different nozzle shape but they all shoot a very narrow stream, I think. They're not a problem for the others that use them. The intake vacuum sealing area is that the bottom of the metal body, where you'll be putting the small o-shaped gaskets, and it's the same distance from the metal clamp the screws go through. Is that a pallnet rail?

Looks like siteunseen and I followed the same path on the regulators. I went the budget route though and modified one for vacuum level adjustment. Links attached,plus an Amazon option for the one already done. You don't need the cross-drilled hole, the sharp end of the needle does not sit in a seat,it just floats in space. Edit - forgot to say that if you do your own modification practice drilling a long straight hole on a few cheap bolts first. I practiced and I still came close to messing it up. Although, you can build a new bolt, its purpose is just to move the spring seat up and down. Edit 2 - I think that Eurodat is right and siteunseen is running the no-vacuum source regulator. So, site, you're running a little rich during part throttle operation. Might have a little gassy exhaust smell? Since it works for you, you might not want to mess with it, but if you're handy with a drill and have a small piece of metal tube and some JBWeld you could add the vacuum port. Edit 3 - "boost" really just refers to any pressure change from ambient. Above ambient is typically called boost, below is called vacuum. But the diaphragm and spring in the regulator in the regulator don't really care, they just move accordingly. Dune-Buggy.com - Plumbing the Fuel System New Bosch 0280160001 Fuel Pressure Regulator Made in Germany | eBay Or ready-made: Amazon.com: MSD Ignition 2222 Boost/Fuel Press.Regulatr: Automotive

I see that you did get back in to your Hybridz thread. On the welded diff - it just makes it easier to "get sideways" and impress the crowd. That's it, in a nut shell. Its only purpose, for a street car.

Chas-san. You might be thinking of the old Porsche-VW style early adjustable regulators, with no vacuum port. The newer aftermarket regulators have the vacuum port to the back of the diaphragm. They offer an adjustable start-point, but with retention of the vacuum adjustment via the intake manifold. They're typically smooth and racy looking, with a variety of color choices. Beware the pressure leak-down of the aftermarket regulator though. They are not precision made pieces and the valve seats often won't hold pressure when the fuel pump turns off.

He said "a cleaner look". And grins. The cleanest look would be one of the newer ones with a 14mm o-ring port that plug directly in to the fuel rail. I don't think that you can get them in 2.5 bar though (36.3 psi), they're all 3.0 or more.

The answers to the same questions on Hybridz were all pretty good. They'll be about the same over here. The new question about blowing the motor is kind of moot. It just depends on how the driver drives it.

Running a business is hard work, and running it well is even harder. How you handle the problems can make the difference. And Silvermine is promoting itself as a full service, striving-for-excellence, the-customer's-experience-matters kind of company. If his/their web site said "we're just some guys making parts on the side", the situation could be looked at differently. About Us Sounds like he realized he needs to fix the master cylinder problem. I assume that he covered the shipping costs. That's life on the big stage, no hiding.

Personally, I appreciate these kinds of stories. The world is moving toward companies trying to buy and manipulate their reputations, rather than put the work in. I hope though, that you didn't jump the gun on your dealing with Silvermine. He's been on this site I believe, so he might screw you over even worse.

The front stud tends to break also. Wrote a whole nerdy thing about materials and expansion/cooling but it probably boils down to you only get so many cycles (metal fatigue) before the studs break. The ones on the ends move the farthest during a heating and cooling cycle. A good reason to replace the studs if you have the manifolds off.

Considering the recent heat pipe cooling theory by Fastwoman on the hot start problem, fins might actually be the way to go. It's a dilemma, since when the engine is running you'll be taking heat to the fuel tank, but when the engine's stopped, you'll be cooling the injectors. Assuming the theory is in play. More work is needed (this is the statement with which almost all research presentations end).

siteunseen's link has all of the relevant information. I assume you''l be using it as a guide? One area I made a mistake on mine that needed fixing, was I left it too long in front. There's only so much space available between the injector and the thermostat housing. I had to grind a corner on mine to get it to fit. I could have recut and retapped but I didn't even know if it was going to work. Future fix. Good luck.

I was going to suggest the same, but he's in Panama and I don't know how things work down there. Probably not a muffler shop every five miles like we have here in the States.