240Z: Rear hatch window investigation, Race & Rallye magazine

Time for another update. I lately stumbled on the Nissan / Datsun USA Technical service bulletin about the change of the hatch window rear defroster lines from Vertical to horizontal:

Since i had been wondering why my cars (which were built close together) came with two different types of windows, which i figoured out lately, it cought my interest and i started to look closer.
Car 1. SNR:  HLS30-56801came with old horizontal lines. Registered in March 1972

Car 2. SNR: HLS30-59660 came with Vertical lines.Registered in May 1972

Strange enough, the SNR of my (European spec) cars are one Digit shorter than the ones mentioned in (American) Service bulletin. Both my cars were built in late 1971, but i assume the date in the Service bulletin is not the production date of change, but the release date of the document. Given the lead time of the cars from production to first registration in switzerland, and the lead time from Production change to the release of the Service bulletin. i guess my two cars, built close together just happend to be around the change. Also it is a prove that there is nothing like a “Series 1” car mentioned often. My “older” car doesn’t have the vented hatch / side emblems, but it still came with “old” type window.
Service bulletin 231 (1976 introduction of the Datsun 280Z, America) also mentions a 6-digit VIN (HLS30-6digits). So i guess we just got a different vin-Block for european cars? I checked both my stamped serials as well as the VIN-plate. Both my cars only have HLS30-5digits

Oh and then got some interesting read from the UK. Race & Rallye magazine Jan. 1993

It features 15 Pages intresting background information about the Works 240Z rallye cars.

Including a variety of side-stories around them. Still have to read through it, but it seems very promising 🙂

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SHOW: Geneva International Motor Show

Yesterday me and my friend Danny went to the renowned Geneva international motorshow to look at the latest and greatest that the motoring world has to offer. I’ll concentrate on the Japanese cars in this post and i’m happy to say there wgtere some interesting cars 🙂
After entering the show the first car on display was this 2JZ swapped IS350 Drift monster from swiss driver Franz “Hunki” Hunkeler, sporting a full Kazama Auto widebody kit.
It even appears to be the Ex Kazama D1 car (beeing RHD) if you look closer…

After walking through the accessory halls and entering the real show, one of the first booths to see was Kato-san’s Liberty walk / LB-works booth with his latest creations. Aside from their usual Lamborghinis and a Mustang, there was also this Airbagged and widened Nissan GT-R. Not my cup of tea but you have to admit it can’t get any more japanese than this.

A bit further into the Hall, bridgestone tires had this Lexus RC500 on Display:

Fast forward to the next hall, Mazda had it’s booth with two stunning concepts, showcasing the next generation Kodo design language Mazda 6 with the “Vision coupe”:

and the Kai Concept for the Mazda 3. The new design language seems to be much cleaner and smoother than the previous ones. I really liked it and it gives it some extra elegance. But somehow i guess the final product will probably look a bit tamer.

Aside from the complete current lineup, they also premiered the new facelifted Mazda6 / Atenza.

Honda and Toyota had surprisingly big booths with a lot of Motorsports influence. Starting at the Honda booth where they had some of their formula race machines showcased:

My personal highlight at their booth however was the New NSX GT3 in all it’s dry carbon glory:

Next to it was the Honda Civic TCR (Touring car series) built by J.A.S Motorsports

Of course the new NSX and civic typeR were also on display and gathered quite afew people around it:

Toyota / Lexus had quite a few race-machines on display too, like their current Yaris WRC Machine:

And an offroad Gazoo racing Hilux:

The big hit however was of course the first glimpse at the new upcoming Supra in form of the gazoo racing supra concept car. Somwhow i really like how it looks and still reminds me of the old supra.

Here’s the BMW Z4 at the BMW booth which was a co-development with the Supra, just for comparison. Somehow i like the supra a lot more, not just because it’s “japanese”.

Aside from all their other current hybrids, they had the TS050 LMP1 Hybrid machine at their booth too, which i thought was pretty cool:

Nissan however had quite the boring booth if you ask me – with the new March / Micra and so on. However they had the current GT-R on display which was always surrounded by many people.    

And they had a cool display showing some kind of formula car concept with a video show below to show it in motion, all hanging from the wall.

The subaru lineup wasn’t really showing anything about the rallye heritage, aside from the current Subaru WRX sti. However the viviz Tourer concept, which is probably showing the next generation Impreza / STi, was a real stunner if you ask me. Really loved the angular shooting-brake design and the colour was cool to.

Don’t remember the booth anymore, but at some point there was this Camry NASCAR machine, which i had the pleasure to see in action a few years ago.

After all, it was a cool show with some nice previews on the next generation japanese cars and without beeing too much about autonomous driving and more about real cars.
Of course mitsubishi, Isuzu and suzuki were there too, but had nothing really that cought my interest to be honest, so i didn’t make any photos.

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240Z: Swiss sales brochure

I realized i never shared the swiss 240Z Sales brochure which i got from my good friend Stefan a while ago. and thought it’s upon time.

These are scans from above original printed sales brochure which he found and donated to me. It was found in an old stock at an ex Datsun, now nissan Dealership. Enjoy the read 🙂

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240Z: Rubber vs Polyurethane T/C Rod bushings comparison

Time for a little more knowledge today 🙂 After i posted pictures from my T/C rod bushings in various forum-threads, people replied that i should swap to rubber in the back. After discussing a few topics i figoured out that original rubber bushings are still available new from Nissan and ordered a set, which i was able to pick up today:

The problem: According to many people, the T/C rod tends to brake at the yellow area, when PU-bushings are used both in front and rear of the Frame-rail mount. This due to much counterstrength whith the hard PU-bushings.

For sciences’ sake i decided to compare both setups with an original NOS 240Z frame rail i have in my shop.
Top: Front PU / rear Rubber
Bottom: Front PU / rear PU

1st: Both PU. Fits perfect, but it’s very stiff, both compression and angle-movement wise.

Second: Front PU / rear rubber.
You still have the advantage of PU-front (less rearwards movement during compression, red arrow), while having more freedom of angle-movement (yellow arrow) and therefore minimized the chance that the T/C rod will brake.

Update: Forgot to add that information and i guess a lot put the big washers the wrong way. But this is the correct way to go (Thanks Jay Goldstein for the Input):
Front ———)[]][[](—Rear

So thanks all for the inputs and advice and i’ll definitely stick with the PU / Rubber combination for best performance and with least failure rate 🙂

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240Z: Nostalgic Hero Mooks

While waiting for the parts shipment from Japan i got some reading from Japan in my mailbox today. Two Nostalgic Hero Mooks (Magazine Books), which contain some readworthy information and nice pictures from some of the more special Z’s:

Aside from some general background information about the Fairlady Z:

There are some special versions like the ZG Police car that were intended for high-speed highway Chasings back in the day

or the Legendary S20 Engined Z432 (and-R)

Also some information about privately owned Works rallye cars:

Including the one from Altonen / Todt

It also includes scans of the original LY-head parts list and 280LY tuning Manual and some general JDM classic car related stuff.

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240Z: NOS brake and clutch parts, doglegs assembled, Spoiler lip paint removal pt. 1

A while ago i discovered some NOS parts on a german Sales ad website and contact the seller. few days later i got some NOS parts in my mailbox 🙂
A 5-speed transmission clutch fork incl the retainer spring:

two drum-brake slave cylinders (keen-eyed readers might note that i got two left-sided items)

And a set of drum-brake hardware:

More parts are on the way from japan currenty. and while waiting, i decided to strip the various layers of old paint from the Euro-chin spoiler with the simple use of some pressurized air and a spatula. before…

at least five layers of different primers and paint:

and here’s the result. yeah, still two layers to go, but this one is tuff. even the paint stripper didn’t work on this. wonder what it is.. probably have to sand it down by hand.. no hurry though, at least i don’t have old paint peeling off from it and messing the storage space now anymore…

Oh, and almost forgot i had all the parts for the doglegs ready since a while but never assembled them…

So did that today, freshly powdercoated doglegs, zinc plated hardware and new Polyurethane bushings. next to a pair of old unrestored doglegs 🙂

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240Z: New Custom made transmission crossmember bushings

This is another little project that has been under work for a while and is finally completed 🙂
A while ago i wanted to re-assemble the transmission crossmember with the new Energy suspension polyurethane bushings. They’re stated to fit all 240Z years on their website:

However, when i tried to install it, it didn’t fit at all… The metal tube was too long to fit inside the outer mounting bracket and had a wrong diameter, the bushings had a completely wrong shape too and didn’t fit anywhere….

It was only then i figoured out there are at least three different types of transmission crossmembers and they do not fit the type i got i got:

I tried to find a supplier, but they weren’t available. But when i asked Jakub Nurzaj from DPAN Europe he immediately told me that he could make a set for me… So i took some measures and we double checked a few things, before the first series went into production.

Yesterday i was finally able to pick them up at the postal office and the first look was promising.

Here’s a comparison between energy bushings (left) and Jakub’s bushings (right) the difference is small but i can assure you the ones to the left don’t fit at all…

So today i was finally able to install them (use some bushing grease!)

Fitment is spot on and tight. perfect!
I cannot thank Jakub enough for the work he put into this and i’m happy i could support him. The bushings are now available from Jakub Nurzaj from the DPAN Europe facebook page. Contact him if you need these.

Here’s how the crossmember looked before restauration:

And here’s the completed, freshly powdercoated transmission crossmember with freshly zinc plated bolts and the NISMO / Kameari Transmission mount. Looking cood. Another Puzzle-piece complete. Thanks again to Jakub for the awesome work!

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240Z: OEM Front chin spoiler arrived

Sometimes you find the coolest things when you don’t even search for them. I always thought the “euro” front lip / chin spoiler was cool but it’s somehow rare these days to find one and i thought i go the route with the xenon front bumper. However when i was searching for some other parts i accidently stumbled upon a pretty rough looking but still salvageable OEM front spoiler lip. I contacted a few people to confirm it’s the real deal and then made the payment. few days later and i could pick it up at the postal office today:

One of the mounting brackets is missing (broken off) and another one seems to have been replaced with a custom made piece over the years. but otherwise it’s in quite good shape, as long as the old paint gets removed.

It’s made from Urethane rubber so pretty soft and you can bend it like you want 🙂

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ATENZA: New OEM Summer wheels

After i realized i cannot afford to modify three cars at the same time, i decided to keep my daily driver as it is and not throw all my money at it. I better concetrate on my other projects. However i needed new Summer wheels. currently only running one set of barrels means i have to swap the tires twice a year (and pay for it too), since summer and winter tires are required in our climate area.

After a while of searching i found a set of OEM wheels (exactly the same as i have on my car already) in germany for a reasonable price, including Toyo rubbers which will last for another two seeasons or so.
And including the original lug nuts as well. In perfect condition. Quite the deal if you ask me 🙂 Happy now with two sets of wheels. No money spent on useless style parts for a daily driven Station wagon and Factory parts for a bargain. Picked them up today and the seller was a great guy too with a similar Mazda 6 and a bit of passion for it. Perfect 🙂

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240Z: Rear window & -defroster check

I got a request for a 240Z Rear window for sale, so i thought it might be a good reason to get my small power supply and Multimeter out and check them.

Unfortunately i didn’t even need my tools. It was already clear by visually checking them that both window defrosters are toast, even if the glass was OK on both. The resistive threads have oxidated and vanished in large areas:

It even seems like one of them had some kind of burn at one point:

You can’t really see it bot some of the threads are almost gone totally and there’s only some leftovers from the original glue. Really wonder how that could happen. but it seems to be a common problem.

One of them even had one of the bigger threads loose. I know it’s all repairable with stock-on thread wires, but not sure yet how nice i can do it and if it’s worth the effort. Either i need a new glass or have it repaired by a pro.

Strange enough i figoured out i have both a vertical and a horizontal wired hatch glass. even if both my cars were built in late 1971. so either they were used longer than mentioned everywere, or it has ben swapped at one point in the past. strange enough the one with the vertical lines (the earlier version)is in way better condition with only one small area damaged and the rest still quite solid…

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