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Here are the thread rules. Again. For any hardware you are likely to encounter. 4 x 0.7 5 x 0.8 6 x 1.0 8 x 1.25 10 x 1.5 - bolts that thread into the engine block. Trans, head, brackets, 10 x 1.25 - All other M10 bolts, ie suspension and body are 1.25 12 x 1.25 - wheel studs, front spindle to steering arm, trans mount (later), TC rod ends, Flywheel , spindle pins 14 x 1.5 - diff strap bolts, front control arm pins 16 x 1.5 - Crank bolt 20 x 1.5 - Rear Stub Axles Threaded pipe fittings are all BSPT, A/C and EGR excluded. There is a 1/4x28 SAE thread somewhere for you to find as a test. There are 7/16-20 SAE too. Another test. And what the heck is up with those short fat rear control arm bushing bolts? And why do I have 2 or 3 dozen of them? The first 7 on the list are the ones you should have taps and dies for on hand at all times. Better yet the thread restoring kind, not the thread making kind. Print this out and post it on the shop wall.

Recently a guy on FB posted he had bought a bunch of Datsun tools and tool boards. He has them all cleaned up and mounted on the garage wall. Makes a nice display. I have the Special tools manual from 9/69 and a couple of mechanic seat covers that I really have never seen before. Do any of you have any info on the seat covers?

Concept car…

Yup, 7/16-20 for the seat belts. M12 is a valid spec as well from some DOT document I found 15 years ago when I was researching aftermarket replacement belts. No idea what manufacturers adopted world wide. Also curious what seat belt threads were used on the various early 60’s datsuns (411, roadsters etc). The 1/4-28 are on the two Z hood bumper . Craziest thing I’ve ever seen. Must have been supplier determined at the time.

I posted a recent issue with my Mallory ignition. The Uni-lite ignition module would test bad when the car would stop working but after it sat for awhile it would test fine and the car would run again. After changing the ignition module a couple of times, and with some input from this forum, it turns out that a PO installed a second shunt resistor in series with the first one. I removed the second resistor and so far the car has been working. I think the issue with the shunt was that on removing it, I observed the exposed coil of wire in the shunt was damaged and likely was not giving a constant resistance, possibly no continuity at times. Even if you have just the single shunt resistor, if it fails like this one did, it might cause the same issue.

Yesterday, the postman delivered a big package from Japan again. This time with a load of cool documents. The first one (Bottom right) is the Race and Rally preparation manual. I bought this one for a friend, since I already own one. But it's always cool to see those. The second one is a combined S30S(A) / GS30S(A) brochure for the standard Fairlady Z / Z-L and the 2by2 versions. See also Color samples at the bottom right: For whatever reason, one of the Japanese lots included a US-Market 240Z Brochure. Not something I would usually buy, but since I didn't have it in printed form yet it's cool to have it anyway. From the Japanese market again, I got this Fairaldy Z / 240 Operation manual, which also includes the Z432 versions. These are particularly useful to find some details of the interior for my knowledge posts. This is the later version that also covers the ZG and other HS30 variants (the early versions only covered the Z / Z-L and Z432): Then I got two of the Japanese marked fold-out Fairlady Z sales brochures. It's basically a brochure on one side and a ZG Poster on the other side. I was buying one, when a second one was included in a Lot of documents. Once I got them, i realized that i already had one, So now i end up with three. But, I intend to frame one as a Poster and I realized that there are different versions. Both the Material (paper-weight) and print is different: For me no doubt the coolest item is this Nissan Racing school brochure: With the Checkman Sponsored GTS-II Works car on the back. Especially this version of the car with the "Batmobile" rear aero. I just love everything about it. The sponsoring, the aero, the livery. Another Magazine was the "Nissan Graph" Customer magazine from April 1985. Which also included some racing school details. I'm working on a knowledge post about this, that's why I started to collect some information about it. One general 1971 Japanese Nissan brochures also included the ZG: And the general lineup on the inside. I guess this magazine was issued at a Car show in 1971 or at the dealerships? It also included some cool drawings of the 216X Concept car: Another similar brochure (without date) from Nissan Tokyo, which again shows the ZG and some other nice cars: On the inside you find the lineup from that time, but with a regular Fairlady Z and Z-L shown. Another cool book is the J's Tipo Fairlady Z Archives (002). J's Tipo is a Japanese car magazine, and this book is basically a collection of all their Fairlady Z related stories from various years, compiled in one book. After I met Morita san, the Author of the Fairlady Z Story and History books, in Japan recently, I had to get "Volume 2" of the book. I've owned Vol 1 for a long time, but never the second one, since it wasn't so relevant for the S30. But now I had to get it :-) Then i also got this Jack and tool stowage reproduction Sticker from Germany. I had this Genuine Datsun Parts sticker for a long while and always wondered how I can present it. When I found this piece of Aluminum sheet, I got the idea to make a sign out of it. So I cut the aluminum. And then put the sticker on it. So I ended up with this cool sign. And found a good little Spot for it: I also found a nice place for the NISMO sign, but it looks a bit small on this big wall, next to the huge Datsun sign. I have some projects planned for the next week and hope I can get back working on the car itself, so stay tuned for some updates, soon.

I remember reading an industry website several years ago where the writer predicted that the only distinction between mainstream brands of power tools would be aesthetics (colours, textures, legacy, etc). Looking at what I see in 2025's North American market, I'm inclined to agree. But I think that only applies to ~ revered old-school USA brands like Porter, DeWalt, B&D, etc. For comparison, look at what's happened to old-school non-automotive brands like 'Schwinn', 'Singer', 'Sunbeam', 'GE', 'RCA', etc. Offshore' brands (Bosch and Makita come to mind) might have a little more to offer than just marketing. Unfortunately, there's no universally-accepted evaluation standard. These days, it's just the 'Wild Wild West' of YouTube evaluators Caveat emptor.

Hi, I have worked some minor things for mirrors, horns etc. Fairlady Z series has mirrors on the front fenders and the way they mount is completely different from the one for the US. Mirrors have to be flexible when they hit something. The horn, the Higher tone has “H” and te lower tone has “L” shown on the bracket. You see S12, I am sure S means 1969, 12 means December. It makes sense to my 01/1970 Z432. My two 03/1970 cars have T2, indicating 1970 February. Also my 1972 June 240ZG has V6, The rules seemed to apply for all of my cars. Kats

All that hype in the BaT comments and it didn't even get near six-digit territory. For about that same amount of money I'd rather have a C-7 Z06 LZ3 convertible. Similar horsepower and you get a heater, A/C, audio system and a functional convertible top.

Wait until you find out about power tools...

200,000! - 139,500 = 60,500

@EuroDat is the guy I'm pretty sure you're thinking of. He does some amazing things and always has great pictures to share his work.

I believe the OE spec tor the oil drain plug is 3/8 BSPP. The threads on mine measure 16.43mm major diameter, which is at the low end of the BSPP parallel spec, 16.662mm +0/-0.25mm. I don't have a metric 55 degree thread gauge but my 1.3mm 60 deg. thread gauge is very close to the spec pitch of 1.337mm. https://amesweb.info/screws/bspp-thread-chart-calculator.aspx

How to Modify Your Nissan/Datsun OHC Engine, original edition: has a blemish on the back cover, excellent otherwise: Price is $20 plus shipping How to Hotrod and Race Your Datsun, original edition: In nearly excellent condition: Price is $100 plus shipping How to Restore Datsun Z-Car, original edition I believe (copyright is 1990) - binding shows some light detachment - all info on pages is intact. Overall condition is good Price is $10 plus shipping PM me with questions. ---Garrett

Great post. This info really needs to be added to 'Knowledge Base'.

Finally got my exhaust finished. With the kenmeri header mated to my Fujitsubo exhaust. There was a small gap between the flanges. Designed up a small spacer. This is 316 stainless.

It's unfortunate so many cool looking concept cars don't get built or the coolness gets lost in the transition to production line

That's what we did with boats, river racing. Put spray paint marks on the inside of the highway guardrails along the river. 13 hundred and 20 feet, run what you brung was like a Bible verse I'll never forget.

Wonderful stuff you have obtained, I envy you! In addition I have never seen tools boards, wall mounted tools are so cool. Thank you for your gift “tools manual” which is replicated nicely, I think I have the lost pages in digital format when one of my friend on facebook kindly gave me. So we can share it. Kats

From the looks of it, it will break $46k but I doubt they will recoup the investment

Missing dovetail on the passenger door, photo 150. Also the rubber weather strip under the door. They weren’t there in 2019 when it was last on BAT. I just remanufactured the early pre 1973 dovetails for my 1970/71 240Z as they were no longer available. Also did the plastic grease reservoir for the steering rack and the plastic cover for the battery. The Vintage Z cars were restored with parts that were available at the time, 1997/98; not always period correct parts but they did the best they could.

I'm not planning on putting the original distributor points and condenser system back on my 71 240Z. A friend of mine is telling me to use a 123 ignition and an MSD6AL. Good or? Years ago I installed electronic fireball ignition system on an old GMC truck that I still have. I've never once had a problem with that upgrade. I'd like to do the same thing with the Z. Anyone have experience and advice to point me in the right direction. Thanks in advance for the group's help. Restoration update as of 12-16-25.

Hey Cliff put on your Librarian Glasses and solve this one!!

Matchboxes appear to be available here https://www.rockauto.com/en/catalog/nissan,1980,280zx,2.8l+l6,1209316,ignition,ignition+control+module+(icm),7172

And there is that thread on the valve cover breather and trying to find something that will convert it to AN or NPT to run a catch can hose. Seen infinite discussions about it, what folks did to change it, and even some fitting for RB engines someone found that fits, but still waiting to have the actual size stated.

The 1979 to 1983 matchbox distributor is a good upgrade.

Reading a story about Craftsman tools and found that they were owned by Stanley Black & Decker. Also learned that Stanley and Black & Decker had combined, back in 2010. Very much like Holley. Pretty soon everything everywhere will be made by a single company. https://en.wikipedia.org/wiki/Craftsman_(tools) https://en.wikipedia.org/wiki/Stanley_Black_%26_Decker https://www.holley.com/

Wasn't offended. Just surprised that you used a term from the 1980's!

I saw your comment @siteunseen Did you break a rule? 🔨

Just for closure I just ordered a set of 16 x 7 Panasport wheels with 0 offset from sportsandclassics.com About the only place I found, will be shipping out today. Super nice folks to deal with. Tad

200k seems like a stretch. I like it but it wouldn't be worth the cost of admission to me

Price is $1 plus shipping I have several spares leftover from disassembly of an N42 L28 engine. Exhaust manifold in very good condition - all down pipe studs intact ($1 plus shipping): Miscellaneous original engine parts (cam gear, head bolts, dip stick, oil pickup tube, oil pan reinforcement plates, etc. $1 plus shipping for everything in this box, or let me know if you just want one item to save on shipping. Stock pistons (dished) and rods $1 plus shipping: Two pairs of L28 engine mounting brackets ($1plus shipping for each pair). Alternator mounting brackets $1 plus shipping for one upper and lower pair. PM me with questions. ----Garrett

Good question - these are the standard sized original equipment pistons. If anyone has interest, I can take the time to confirm with pictures of measurements, or further pictures showing condition, etc.

Price for the set is $400 for this complete set of seat belts Complete, original Datsun 240z seat belt set from 9/70 in what appears to be very good condition. The webbing is is excellent condition. Chrome looks very good. Buckles are fully functional. Even mounting hardware is present! PM me with questions, additional picture requests, etc.

Bright light and a magnifying glass will tell you a lot. Inside of the cone at the end of the metal line and outside of the cone down the hole. You might see a crack or deformation. You could even polish the surfaces if they look rough. Also polish the surface that the fitting rides on. It needs to be smooth so that the fitting can apply even pressure across the bell shape at the end of the metal tube. Focus on the surfaces that make contact. The threads are only there to apply the force.

Thats not vapor lock. Different issue entirely Depends how high it climbs on whether its an issue or not. Lots of things can contribute to not being able to shed heat.

It wasn't meant to be a link, just an abbreviation. Something in the browser or forum software does that automatically, I think. ithink.com link.com thislinkwontwork.com

This (F 026 T00 064) was the one I ordered, I got impulsive and this was the first part number I came across from this post here from @SteveJ . I couldnt find any other posts on here with the other part number at the time. The 0 332 514 121 relay has extra pins, this is because the extra pins are for the california vehicles, at least according to Jbugs. I suspect that using that relay is just fine since the car doesnt need those pins. This is the description for bosch relay 0332 514 121 accordinng to Jbugs BTW @Zed Head That CZCC link doesnt work

EFI/pump relay. Which one did you order? You didn't say. Don't overlook that the pump relay is controlled by the switch in the AFM. And that there is no "prime" like on today's vehicles. The pump relay is energized by the AFM switch or when the key is at Start.

Lots of effort, time and money invested to create a 1971 Corvette LS6 convertible tribute clad in Japanese sheet metal and copious amounts of fiberglass . To each their own.

So, having solved the problem of a bridge between the Bosch DBW throttle body and the native 280Z intake, I need to make gaskets for the bridge. I tried successfully to hand cut gaskets with an exacto knife and a cutting mat using gasket material. It would work, but it isn’t as pretty as the project deserves. So I bought a new in box Cricut Maker 3. This willl cut leather, so gasket material is cake. I need to draw it up and convert it to an SVG file but I will post picks of finished gaskets.

I'm happy I could gift you a copy of this manual, for all the effort you put into the whole Event. If you have the missing pages, you can maybe email them to me and I can try to complete the book with the missing pages for you and me. That would be great. Or to just have them digitally would be nice too. Thank you for your support too and for all the good memories made in Japan :-)

I am glad that you enjoyed the trip in Japan. I didn’t know you took the Nissan paper to your home! I could give you 10 more papers. Every time I bring my cars to Nissan they put the paper on the driver seat floor. The paper is durable and good for oil drops, water etc. I visited your own website, the articles of the trip is so nice! It brings back so many good memories of our S30.world Japan Expedition. Kats

Poppin' back in for a bit, although @conedodger and @Yarb see me quite a bit in The Rusted Zed Pub section. 😎 🍻 It's been a few years since I've spoken with Gary Moisant but I'm pretty sure he's still around up in Oregon. Can't get him away from the race cars! The last time I spoke with Keith @2ManyZs (many, many years ago) he was having some health issues. I reached out once by email a few years ago but never heard back. Edit: I reached out again to Keith yesterday and he is still around, still has his Z but it is still unfinished. So, I popped back in here because I ran across something the other day that made me think of this thread. I saw my old Z for sale on Marketplace!!! She's about an hour's drive away and actually less than a mile from my mother-in-law's place! Paint still looks good (which I'm pretty proud of!) but that four-letter "R" word has started coming back with a vengeance! The guy who is currently selling, bought her not too long ago from the guy I sold her to. I stopped by yesterday on my way home from Austin, TX to see her, talk to her, and wish her well in the next part of her life. Still has good bones, but the level of repair is far more than I'm willing to tackle at this age and stage of my life. It was cool to see her again and I can't say I didn't shed a tear or two... We did go down the roadster route for a few years but not anything from Datsun. We did the Miata thing. Cool, fun little car that was a blast to drive. Helped that it was already set up for autocross which made street driving an absolute blast! Top down every single drive, even if we got caught in the rain (as long as you stay moving...)! But alas, as the wife and I both start looking toward retirement all of the toys have been traded up for a large center console boat for fishing down on the TX Coast! Grandkids are on the way and life's focus has just changed. The Z will always be a part of my life and I will die loving the sleek lines of the S30s, but I don't think there will ever be another one in our garage. Add it to the list of cars that "We should have never sold!" 😉 Y'all keep the rubber down and the RPMs up!

If you follow me on social Media, you might have noticed that I spent the last 10 days in Japan with my fellow S30.world friends for a very special once-in-a-lifetime experience. I'll post multiple detailed stories on this website soon, but I still need to process it all in my brain and go through thousands of photos. What I can show you already is what I brought home from Japan, aside from all the business-cars and fresh S30.world clothing (not pictured): First, a set of Papers with the "Nissan logo": Those are the ones that Nissan dealers usually put in new cars to protect the carpets. We had them at our Car show in Japan to protect the floor from tire-marks. As we had a lot of them leftover in the end, I thought i stuff two in my suitcase :-) I also got various stickers. From the old NISMO logo stickers, which I bought in the Nissan HQ Gallery in Yokohama, to a handwritten Kanji-version of my name, to various stickers of the event, and a sticker that me a local Honda dealer gave when we checked out their cars. Some went of course directly onto my new "Hall of Fame": I was also very fortunately to buy one of the very last RS-Mach "Ura Mach" steering wheel from the maker himself. I have planned a detailed story on this blog about the Mach steering wheels, so stay tuned, if you want to know more. He sold all the remaining ones he had on this very day and doesn't plan to make new ones. I also came home with a lot of Magazines and catalogues. From the Protec catalogue to the Nostalgic hero (showcasing the new NISMO DOHC head, which we would be able to check out the next day), to the nice Motorfan Fairlady special edition which I was gifted by Endo-San, To the new Motor magazine 70th anniversary edition by Editor Morita-san, which joined us during the first days of our trip. At RS-Watanabe we got gifted with a nice bag that also included a lovely box with their iconic Watanabe 8-spoke wheel as a miniature keychain version. Lovely! From Morita-san i was gifted the lovely pin in exchange for a document I gave him and from Jeff we got gifted some ZCon keychains and a group Z sports car club Bolt tray. The bolt-tray went directly on my car lift: Then we also got gifted a set of reproduction rubber plugs for the drum brake drums from a good friend and Endo-san handed out NOS spare bulbs in original packing, which will be excellent to put in the glovebox :-) In a local toy-store we found a box full of mini 240Z's for 90 cents a piece, so I got a bunch of them as a gift for customers :-) From one of the Japanese participants of the show, we got gifted these lovely 70ties scanned magazine covers from two Japanese 1971 "Autosport Young" magazines, which assemble to a nice poster when you put them together. Aside from the naked lady, you see all the Nissan Fairlady Z Works race drivers in front of one oft their racing cars. I framed it and hung it in a nice place in the garage: We also got gifted some copies of hand made sketches by Tamura-san, one of the original designers of the S30 car, plus a nice photo from a LHD prototype car: Then I also got this. I understood that this is some kind of rating chart and something very special, somehow linked to Sumo battling, but still have to find out what exactly it means. Another cool thing was this S30.world Japan expedition Lego kit: Which, when you assemble it, turns into an S30 under a Japanese Torii gate with the S30.world logo on it: I was lucky my suitcase didn't burst. I would have loved to buy more stuff, there was definitely no more room for that, and that's fine for my wallet too :-) Expect more updates from our Japan trip soon!

Recently, I was able to obtain something rare, which I've been searching for five years, or so now. But let's start in the beginning. In 1937, Nissan registered a daughter-company called "Nissan Auto Sales Co. Ltd." as a sales division spin-off. In 1957, the same company registered the "NISSALCO" trademark, with the aim to develop and produce service tools for Nissan factories and workshops. They produced all kind of mechanical and electronic testers but also accessory parts for Nissan Car owners. Here is a picture from the Nissan Cherry assembly line, with a NISSALCO sign above every test bench: Today, the company is still existing, but under the "ALTIA" Name. In the early 70ies, they developed a Special service tool box for the Datsun 240Z sports. ST0929-0000. And yesterday, I finally got one, after many years of searching for it. The toolbox comes with a selection of Special tools for the 240Z. And this box came with a lot of extra tools inside. You can lift out the upper case, and then you have access to the lower level. Mine included also the Booklet that comes with it. So first, I had to get all the parts out and go through them. Luckily, i collected some of the Datsun / Nissan / Kent-Moore Special tools books over the years. And the box (even though without any part number or information) and some of the tools are also listed in the US-service manual: Sadly, I quickly realized that my purchase came with a lot of additional tools which do not exactly belong to the S30, but random Datsun's, and some original tools from the box are missing. It seems that the previous owner also recreated some missing tools. Overall, it's still a good starting point. After cleaning the box out, hammering the metal straight and fixing the locks. it started to look good. I wanted to keep the patina, but still clean up all the parts. so i gave them a quick wash in the parts cleaner: And then put the original parts back in: Assembled (some tools are not correct): And closed: The set also included this nice Nissan wooden tool box, with the lovely lock: I still have to figure out yet what this is used for, but i just love the looks of it: I'm also working on to restore the original manual that came with it: But it appears that the last few pages are missing and the back cover. But still better than nothing. It also has a very strange format, where each page is only printed on one side and then folded to have a print on both sides, which is a bit weird. That's it for now. I will try to keep finding the missing tools and pages. If you know something, I'm happy to hear from you. Expect some more tools related stuff in the coming days, but i also hope to work on the car itself again, in the next days. Stay tuned!

I have a picture of a girl called Flower and it's NOT because of her sweet smell. The complete opposite actually. Happy birthday!

A more complete example, perhaps:

Hopefully not too much of a digression, but here's a photo of another iteration of the Teikoku Dempa/Clarion intercom/interphone box. This is an original period photo from a small hand-made booklet of data and advice put together by Nissan's Works competitions department at Oppama, and sent to the de-facto competitions department here in the UK in May 1974 (by then based at Nissan UK's Worthing HQ) with the intention of informing the UK competitions staff about details of the new P710 'Violet' Works rally cars which were - at that point - being shipped to them. The intercom/interphone unit is very similar to the one seen on '7924', which was built in mid 1972. It has the same volume control (interestingly, for a 'new' and supposedly unused car, the control knob appears to be missing as it is on '7924', which makes me wonder if they were prone to falling off, or just not fitted...?) and it also has the external 'floating' jack boxes, but with some extra belt-and-braces suspension for them. So, an indication that the Works team carried on with the same basic design well into 1974. I guess that Teikoku Dempa must have made a fair few of them?

Okay, the body harness has been stripped. I am very glad I didn’t try to use this thing. It’s melted / burnt in two places and has been messed with and rewrapped in three places. The next step is to compare this to the diagram and see what the story is.