Zed Head
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Viewing Topic: Fuel Pump Check Valve
Everything posted by Zed Head
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saturday night music thread
Pre-MTV. Not even sure where videos were played back then. I wonder if that's the Schuylkill behind them. They're from Phildelphia.
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71 240z that's been sitting....
Probably difficult to find a garage that knows Datsuns. And if you tell them you have $10,000 to spend they'll probably find a way to spend it. PNW covers a large area. WA, OR, ID, maybe B.C. Can you be more specific? There are some WA and OR members active that might take on a challenge or know of a shop. I don't have the garage space myself. Maybe change your title to "Looking for PNW shop to restart my car after 14 years" to catch more eyes. Good luck.
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Priming L24 engine oil system?
Oops. (I had Chevy in mind. Didn't even read what I pasted). If it was mine I'd pull the valve cover and oil the valve train also after inspecting for rust. Sticky valves seem to happen occasionally, causing problems after restarting. Your carbs might be gummed up also. And your gas tank. And your distributor advance mechanisms. 14 years is a long time. The brake system has probably also absorbed moisture and might have caused corrosion in the MC. Should be fun times!
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FS5W71B Lower Countershaft Shim / No Shim
I think that there is preload. The total height of the race and shim sticking out of the case is more than the depth of the cavity in the front cover if I remember right. Doesn't really matter, when you're working with gear boxes you just need to follow instructions. Don't forget to check that the gear is bottomed out on the shaft. One other thing I thought about though is the thickness of the gasket. It's part of the total. Might be that with the gasket and shim, the bearing is precisely centered. https://www.carpartsmanual.com/datsun/Z-1969-1978/power-train/transmission-case/5-speed/4 My posts showing parts are just examples, not recommendations. https://www.nissanpartsdeal.com/parts/nissan-gasket-cover~32112-e9001.html
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FS5W71B Lower Countershaft Shim / No Shim
Just realized that I miswrote about the shims being larger than the measurement. I would take the measurement first, after everything is assembled except the front cover, then get the shim. A depth gauge like on a caliper, is an easy way to take the measurement. I don't really understand what their logic is for the shims. Apparently the cavity in the front cover is precisely machined and the shim is meant to make up any tolerance stacking in the rest of the assembly. Irrelevant but I needed to ponder the puzzle. I think that I actually measured the cavity in the front cover in the past and that's why I thought it was about preload. The cavity is smaller than the bearing and shim combined. p.s. you can get an inexpensive digital caliper at your local auto parts store.
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FS5W71B Lower Countershaft Shim / No Shim
It's easy to miss because it usually gets stuck in the front cover. The shim is larger than the distance between the case and the bearing races, meaning that it will preload the race. My best guess is that it was designed to make up for expansion of the aluminum case as it gets hot. Aluminum expands more than steel. If there's a gap the bearing would be loose in its space. Just a guess. Regardless, it's just there to make sure everything fits correctly. For what it's worth all of the shims that I measured when I had several tranmsissions, from 76 to 83, were the same. I think that Nissan probably got their manufacturing processes tightened up and didin't need the others anymore. Can't remember the number, I think it was 0.3 mm. I also have a vague memory of finding that only that size was available anymore. My usual morning overpost... https://www.carpartsmanual.com/datsun/Z-1969-1978/power-train/transmission-gears/5-speed/12 https://yoshiparts.com/es/parts/nissan-32218E9002
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Painting the zx300 z31 in sumi-e — need the community’s “iconic cues” (reference pics welcome)
Many people call that a "scoop" or hood scoop. They are usually fake, but some manufacturers made them functional. https://bringatrailer.com/listing/1969-pontiac-gto-judge-29/
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Brake shoe change for 1972 240Z
What does the "complete kit" include? Post a link. If your brake drums are worn they might not be able to be turned. You might need new drums.
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Z's on BAT and other places collection
This old red survivor, with battle scars, is ending today. Looks solid, but worn. https://bringatrailer.com/listing/1976-datsun-280z-112/
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Painting the zx300 z31 in sumi-e — need the community’s “iconic cues” (reference pics welcome)
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Painting the zx300 z31 in sumi-e — need the community’s “iconic cues” (reference pics welcome)
Browse through the 300ZX listings on BaT and you'll find the differences. Here's a couple. https://bringatrailer.com/search/?s=1984+300zx https://bringatrailer.com/search/?s=1988+300zx
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Happy Birthday Mark
Is this the first bot on the site? 🤔
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Transmission Swap and other things
Not sure but I think that they might be headless head bolts.
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Z's on BAT and other places collection
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Z's on BAT and other places collection
Nice starter/driver/survivor 76 on BaT. Western Washington state, east of Everett. https://bringatrailer.com/listing/1976-datsun-280z-112/
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Back firing on deceleration
I was thinking of the wrong thing when I mentioned the PCV system. That is the flame arrester. You might be on to something with the anti-backfire valve. I don't know how to check it, but it appears to open the large passage when vacuum is applied to the small tube. You might check the hoses and see if the valve opens correctly.
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Back firing on deceleration
Leaning out might be be going the wrong way. The anti-backfire screen in the PCV hose isn't for exhaust backfires. When you say "backfire" do you mean one big pop or a string of small pops? Seems like you're also suggesting that there were no backfires before installing the MSA exhaust system.
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FS5W71B Case Marking #2
You can count revolutions in 5th gear. .745 is less than 3/4, .773 is more. 3/4 is fairly easy to lock in on. I had a .773 and that worked for me. Also had a .745.
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FS5W71B Case Marking #2
There were two variations of the ZX 5 speeds, according to the FMS's. Only the 5th/overdrive ratio changed.
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Exhaust Manifold Studs
Could be that they changed over the years. "New OEM genuine Nissan exhaust manifold to exhaust pipe stud. Will fit Datsun 240Z, 1970-73. These are 8mm studs, 38mm overall length. *Starting around 1974-75 these studs changed to 10mm. See PT# 800-257." Z Car Depot IncExhaust Manifold Flange to Pipe Stud OEM 240ZExhaust Manifold to Pipe Stud Set OEM 240Z - 200-517 (). New OEM exhaust manifold to exhaust pipe studs with stainless steel serrated locking nuts.
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Just Another Damned Z Car Project Thread
No offense intended, I had OEM in mind after I made my own post. I was actually going to suggest calling your local Porsche dealer and getting "factory" boots. Knockoffs and counterfeits are a big problem these days. The injectors get pretty hot. I made the mistake of using shrink tubing with adhesive when I replaced my crunchy old connectors with Volvo connectors. I just spliced in the wires though, no depinning. After the first drive I had puddles of glue on the heat shield below them.
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Just Another Damned Z Car Project Thread
Are you sure that they are real OEM? The description implies knockoff. Here's a comment from the seller's reviews. Translated using Google. cgsheen1 pointed out the need for high quality. "I purchased this item in Austria to test its compatibility with my car (I would later purchase other items). They sent me a package from Thailand. In addition to the delivery time, I also had to pay a customs fee equal to the amount already paid. If I had known, I would not have bought anything. The seller is not recommended and uncommunicative, terrible."
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Need a FS5W71B transmission bell housing - (5 speed from Datsun 280Z (1977–1978) and Datsun 280ZX (1979–1983))
This is typical AI slop. "L-Series to KA/SR Swap" doesn't actually mean anything. Replacing a bearing is not machining. It's not a "counter bearing". Just pointing it out. The garbage is collected with the good stuff then blended together, creating more garbage. The work required is actually pretty simple for a machinist. You could take the ZHome instructions to probably any machine shop that does automotive work and they'd get it. It's not really speed-shop level. Enlarging a hole, abrading away a relatively small amount of material inside the case, and maybe enlarging the countershaft beaing hole. You can swap the bearing instead. The bearing work requires the most precision Godzilla's deal might be a good one if it's real, considering machine shop rates. You'll save some money if you swap the countershaft bearing to the smaller one. The reverse switch work will cost you also, if you choose to have it done. You could mount a switch on the gear shift lever, otherwise. I've only done one, sounds like @EuroDat has done many. He might have other opinions/advice.
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240SX transmission purchase - 28 miles!
Like eBay Dubai or some other Dubai-based company? Just wondering why somebody in Dubai would have NOS Nissan parts.
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Just Another Damned Z Car Project Thread