Everything posted by Zed Head
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Stock E31 Head Factory Rocker Valve Guide "Lash Pad" Thickness
Did you adjust the valve lash before and found that they were still noisy? You didn't really show a reason to replace parts. Just good to know.
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S30 Harmonic Balancer Question
The problems seemed to be with fit. They wouldn't. MSA tries to address it in the text on the ad page but it's going to take a quite a while. It's this one, I believe - http://www.thezstore.com/page/TZS/PROD/10-2139 When madkaw says "performance" I don't think he means this one. That's the brand name.
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S30 Harmonic Balancer Question
MSA has several, even the stock type. Which they call a "pulley" for some reason. Still comes up when you put "damper" in the search box. http://www.thezstore.com/page/TZS/PROD/10-2139 http://www.thezstore.com/page/TZS/PROD/10-2138 http://www.thezstore.com/page/TZS/PROD/10-2144 http://www.thezstore.com/page/TZS/PROD/10-2140
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Window NOT lining up
I did something similar with a thick nylon washer and a shoulder bolt from the local ACE Hardware. It does have a slightly tighter spot in the middle of the range. If I recall, my roller broke but the backing cone-shaped guide piece was okay. So I didn't need the grommet, just the roller. One concern might the type of grease used on the plastic roller. Some plastics won't do well in a petroleum based grease, they'll swell and/or fall apart. Silicone might be the way to go there.
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Fan Motor amp draw 75 280z
The ammeter's aren't accurate. Different alternators have different output curves. They're all much lower at idle though. That's the basic problem. A 60 amp and a 90 amp alternator can have the same output at low RPM. Added a picture of some GM alternator curves, same model but still different curves. You can waste a ton of time with reman alternators. Most people describe them as "crap". in general, after having several fail. On the plus side though, you are learning quite a bit output your charging system which will help you in the long run. One problem you can run in to is that while working on the charging system, the battery gets run down, then the system is using significant extra amps to recharge the battery. So the battery load maxes out the available current at idle. Starting with a fully charged battery can get you back on top.
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New owner of '77 280z from Upstate SC
With today's fuel and the fact that you live in a hot part of the country you'll probably experience some hot-start issues if you keep the stock system. A few of those and the "time capsule" nature of the car will become much less relevant. I like to experience the real problem myself, so maybe wait and see but be ready to work fast.
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Fan Motor amp draw 75 280z
Don't forget the clutch magnet on the AC compressor. I had a reman alternator that had a similar problem at low RPM. It just didn't put out enough current. I couldn't use the wipers at idle without them getting stuck halfway across the windshield. Luckily for me, the quality of the reman was so low that it died after about eight months. I replaced it with an old Nissan original junkyard alternator and things improved dramatically. Cleaning up numerous electrical connections helped a bit more, and I don't even think about it anymore, except for when I realize that it's probably over 33 years old and won't last forever. I still have the replacement lifetime warranty reman in the box, waiting, but I took the pulley off of it to make a 90 amp Maxima alternator conversion. The short story is, the reman alts just aren't very good. Maybe ask for an exchange anyway, just to see if you get a better one.
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New Clamps for AFM hoses
Chromed? Seriously, post the link, let's see what you got.
- 73 240Z Starting Issue with Crane Ignition
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New owner of '77 280z from Upstate SC
Don't forget heat. Even a little causes enough expansion to make a difference.
- 73 240Z Starting Issue with Crane Ignition
- 1976 280Z Restoration Project
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Surging
You're assuming that the pressure is dropping. But engines can surge with no fuel pressure change. You have an electric fuel pump, powered by the battery, not connected to what the engine is doing except for the vacuum reference (if Jenvey even uses one). That's why measuring pressure is important. Disconnect the vacuum reference when you're measuring to be very sure. The engine will run richer but it will remove any questions for you. Edit - actually it may not. You might have a surge caused by the air-fuel ratio. Still though, the numbers will tell you something. More detail than your description would help a lot also. A video would be great. " it holds back momentarily and surges back and forth " Here's some Jenvey stuff - http://www.jenvey.co.uk/products And Link - http://www.linkecu.com/
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New Clamps for AFM hoses
You expect a lot from the world. Doubtful that you'll find an esoteric item like these big hose clamps, already chromed for you. Buy what you want and have them chromed, I'd say. Looking for a set of chromed 280Z EFI air intake system clamps is a bit absurd. If you decide to do the chroming, the first link gets you 75% of the way there, as far as starting pieces. 3 of 4. 3 x #15. Practicin' ma words.
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New Clamps for AFM hoses
Send him a message and make a suggestion. Tell him about the AFM-MAF confusion also. https://zcardepot.com/information/contact
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New Clamps for AFM hoses
Not sure if you're making a joke or making fun of zcardepot's typo. Looks like what you asked about in your first question.
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New Clamps for AFM hoses
This guy really needs to advertise more - https://zcardepot.com/fuel/fuel-injection?page=2
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Stock E31 Head Factory Rocker Valve Guide "Lash Pad" Thickness
Ticking is normal, to a certain extent. Only jumping in to save you some money, before you order parts. If your lash is correct now, it will be the same after you swap out parts. It's the lash that allows the ticking.
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Shaking, back and forth motion at 1st and 2nd gear
I think that he might have been talking about this post. Click on the "S30 Manuals..." and it will take you to another page, Then click on "Download this file", then click on "Fuel-1973...". It should apply to 1972 also. Heat is heat. Lots of good information in there.
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Door panel question
I know that Nissan did change the doors for 77-78. Not sure exactly how the panels would change but the window mechanism, door latching, and general seals all changed. You can't put a 77 door on a 76 body. I'd imagine that the various holes, for attaching the panel, and window regulator handles, door latches, etc., changed too.
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Ford engine swap?
- Surging
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Surging
"Mapped injection" implies fuel injection although I've never heard it described like that. So you have a high pressure fuel system. I would put a gauge on the system and see what fuel the pressure does. Don't assume it's a tank problem And I would not sit still on a rolling road. It sounds dangerous.
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Datsun Parts LLC - gone to the dark side?
He apparently cleans up used parts and sells them as rebuilt. Another "out" - define rebuilt. It's not a skills issue. He's been running this operation for years and has no scruples, apparently. Seems to be just a dishonest scammer. People try to give him the benefit of the doubt in various threads around the internet (trying to believe these were honest mistakes or the fault of the customer), but if you read enough of his responses you can what he's doing. Deny, deny, deny until the customer gives up, or takes a small sum just to end the pain. The heart of his business isn't producing parts, it's finding people that don't know his past. . Here's a recent thread from ratsun. Some of the posts are painful to read, a bit juvenile, but the end story is the same. http://community.ratsun.net/topic/66882-dont-do-business-with-california-datsun-formely-datsun-parts-llc/page-1
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Datsun Parts LLC - gone to the dark side?
Just for the record -