Everything posted by TomoHawk
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Fusible Link Diagram
I will be re-labeling my fusible link covers soon, and I would like to pinpoint the purpose of the four fusible links on the right-hand shock tower. I saw an informative diagram somewhere, but I can't find it again. I also have the usual simple diagram from AltlanticZ techtips showing which color goes to which terminals, but I'd like more specific details. I know one fusible link is solely for the headlamps, but the other three are, for example, the ignition relay, the EFI interlock relays, and the alternator charging to electrical devices (accessories like the radio, gauges and inferior lamps.) One is what you would call the B+ to the ignition switch, for example, but I didn't note what the others go to. Can anyone help? Having specific information on the fusible links helps to diagnose any electrical problems.
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Very Cool Ignition Upgrade
Cool. This one device can give you data on RPM, timing advance, and MAP. Can it tell you the air-fuel ratio too?
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Very Cool Ignition Upgrade
That's interesting, that you can record data about the vacuum. Next time, you just use Alt-Prtscrn to get only the active window.
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Replacing the EFI Fuse Links
I don't think it's been discussed here, and I don't see any information on it the the FSM, so I think I will simply ask. It's probably the only thing I don't know about the car. If you needed to replace one of the green E.F.I. fuse links (mounted near the battery on the relay box) how do they come out? I don't think they have the usual female blade connector, like the other fuse links that are on the shock tower. I think they are inserted into the connector, like any of the other blade connections? that means you can't just pull the fusible link out and replace it, like other other ones. You'll have to carefully extract it from the connector. thxZ
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Fuel rail questions?
The engine runs the same without the vent hose on or off, or the oil cap off. I think it's because there is no vacuum inside the valve cover? There is usually a little oil dripping out of that little filter- I change it annually, an I constantly clean up the drips. It also explains why the intake manifold has an undesolvable coating of oil inside.
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Very Cool Ignition Upgrade
Well, I know for the L28e, the idle is 700 RPM (in drive, on an automatic) and the advance is 10 degrees. The manual cars are 10 deg. at 700RPM. Did you want to know the total advance at, say 5,000 RPM? I think it's about 37 degrees.
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Fuel rail questions?
Thanks. They were just like that, in stead of the yellow factory color. You just polish them after every time it rains.BTW- I plumbed the fuel rail in a similar way to the original one, with the regulator in the middle. I should have connected the regulator to the '7th hole' in the middle, instead of adding the long runs of (polished) stainless tube. I like minimal too- and it would probably even work! It took a long time working with a professional 'modder' and my own hand-bender to get the supply and return tubes exactly matched.
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Fuel rail questions?
Thanks Sarah, I was referring to the use of the fuel pressure regulator for performance. The only advantage I could think of is to adjust the air-fuel ratio slightly. More pressure would make it richer. If you really need a lot more fuel, bigger injectors would be a better choice. Other than that, I don't think it makes things any more "cleaner" looking than the stock L28 regulator.
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Fuel rail questions?
What would you expect t happen if you used an adjustable fuel pressure regulator?
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New Office Chair!
Are you using an old dash for a clock, radio, and phone?
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Make a fuel rail
I still have my factory 1978 fuel rail. It's a little dirty or rusty, and sitting in the parts box.
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Fuel rail questions?
FWIW- I still have the original fuel rail from my 1978 (with "federal" emmisions.) I believe it's in good working condition and it has no leaks.
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Fog Lamps
Is it OK to wire driving lamps to always turn on with the high beams? I know some people have an extra switch to disable fog or driving lamps, but driving lamps should only go on with the high beams, and it would simplify the wiring.
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Fog Lamps
That's the way you should do it, basically, just not by splicing into the car's old cruddy wires. I suppose if you use the factory wiring (on a240Z for example) to power lamps the way it was done at the factory, then it ought to work fine. IMO, new wiring should be added to the car in a way to protect the integrity of the factory wiring, while looking like factory wiring. Maybe you should dirty up the new wires to make them look like all the rest? As I mentioned, I took a wire from the starter battery post to a terminal I mounted in the fender, then I run wires to wherever I need power. Like Steve says, the alternator is what really powers things. the battery is just there for power storage between the times the engine is running (to restart the engine.)
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Fog Lamps
Where did you get the power feed for the relay? Not from the wiring, I hope. I mounted a terminal post on the side near the starter, then a heavy wire to the battery feed to the starter. You can get many feeds off the post then.
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240Z Stock Original style muffler tip hand crafted
I see a LOT of that lately. Apparently, "Show cars" are all about the WOW- factor lately.People will over-restore or over-do things like the paint or the interior; they had no basecoat-clearcoat or "premium leather" on the early cars, but those people will insist that the paint is of OEM-quality or the leather is stock. I've even had a few people tell me I forgot the clearcoat on my car (which has single-stage paint on the repainted panels.) that's why I appreciate going to a real concourse show, where the vehicles are restored to the way they really were, not like today's new-car "standards."
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Fog Lamps
When I mounted my driving lamps, I was able to use the bumper as the earth leg. I checked for a good connection from the bumper to the chassis first. I put an eyelet connector on the ground wire and that went on the attachment bolt under the nut. the 'hot' wire was carefully routed to the cigarette lighter inside (which is temporary until I get a relay setup installed.)
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[2014] What did you do to/with your Z today?
It has to be another S30 owner in your area. Why would anyone else take it? Around my town, people will yell at you if they see you touching something or getting too close, let alone stealing a part from the engine area.
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DIY Soda Blaster
You can't do any of that with a schmart fone. You gotta keep the grassroots or sgade-tree guy in business, no matter what technology is up to. Technology sucks- go out and grill tour brats over charcoal.
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Stopping by to say, "Hi!"
Right... Try driving one of those Porsches with Arne's big CLOWN SHOES!
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Important OT warning -- Internet Explorer
IMO, Microsoft is a greedy monster, and they want to make one more grab at getting the American Dollar before July. With millions of desktop computers that have Win XP, they will make a few dollars (20 million x $200 each to upgrade.) It's also less work for them, not to have to bother with an "old" operating system, like DOS. BTW, I still have one old computer on the shelf with Win 3.1, and I have a copy of Win 3.0 put away somewhere on CD.
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Ignition troubles :)
This is probably unrelated, but my engine stalled yesterday, waiting at a traffic light. Motorists were not happy, but a bunch of big guys (off-duty firemen, I think) jumped on the car and pushed it to a nearby parking lot. while waiting for a flatbed, I was checking things, and noticed that there was a loose nut on the distributor junction block (near the coil- mine is a 1978.) we tried to tightened the nut to start the engine, then loosened it until the engine stalled, so we are sure that was the cause. There were no lock washers on those nuts! installing split-washers were my first thing to do today.. Zed is now happy How did they loosen over the winter?? Those nuts are, I think, the only things I haven't restored or replaced with new un-corroded ones. I think I will invest in one of those tool rolls this summer. even my small visegrips would have fixed the problem.
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Stopping by to say, "Hi!"
When did they let you out of the hospital? j/k
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Important OT warning -- Internet Explorer
Thanks for the note. IIRC, on Windoze XP, you can update Internet explorer only to version 8. You need Win 7/8 to go to a higher version on IE. In any case, I use FireFox, and I like it better than any other web browser.
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DIY Soda Blaster
I found this when I was just browsing some surf music. I thought somebody might be interested. It's for vintage carburettors, but it might be useful for blasting small spots on the body, or other small parts. And, even thought it says you don't need a blasting cabinet, I think even a cheaply made one would help keep the dust to a minimum, even though you can just wash the soda dust away. Could you use anything else besides baking soda? Salt is more abrasive, because it has a cubic crystal shape, but it could also become corrosive. I think salt would work very well, if you were careful. AircooledTech's Tools-On-The-Cheap - DIY Soda Blaster