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The large white with red made me think it was a primary relay...

Thanks Ernest, I have the large laminated wiring diagram. Makes tracing much easier

Okay, this is weird, but I'll mention it anyway. I bought a new fan blade (just like that) from Nissan and it was great - OR would have been if I had a stock radiator maybe. But I installed a Koyo 240Z radiator in my early 260. The Koyo is probably a bit thicker than stock - although there looked like plenty of room between fan and radiator. I drove my new setup a bit and pulled back into the shop. The radiator was leaking coolant. It had been hit from behind. I couldn't figure it out. (I first thought it was a defect I didn't see) The new fan had blades just a smidge longer than the old, hard blade I had been using. And they were nice and fresh and supple (well, much more so than my old crusty fan). What I EVENTUALLY found after I almost ruined a SECOND Koyo radiator: The stinking longer, more flexible blades of the new fan were flexing FORWARD ENOUGH for the tips to reach the radiator. Fast spinning nylon beats aluminum tubes and fins. (Koyo is side tank and the fan didn't hit the center, it hit the inside of the right-side tank and the tip of the blade was then pushed into the tube and fins on that side only - right next to the tank) Check the forward motion of the fan blades at speed. (having said that, I've found NO BETTER radiator than the Koyo for my Phoenix, AZ, daily driven, A/C pumping, turbo swapped, intercooled early 260Z - and I'm still using that old, hard fan... The new one is sitting on the shelf.)

Unless you have rebuilt the wiper motor and all of that, you should throw a bottle of Rain-X in the glove box just in case. If you go fast enough it works when the wipers don't. I kept a bottle in my Hardbody Nissan when I was driving back and forth to Destin after hurricane Opal.

Independent…

Ben Branch is a repeat offender. Look here for his assertion that Nissan's L-series engines were the result of the Nissan-Prince merger of 1966: https://silodrome.com/history-datsun-240z/ He can't even get Dr Shinichiro Sakurai's name right. Katayama lore ahoy! The usual - and some unusual, if not utterly baffling - nonsense trotted out: "Nissan’s senior management were actually not particularly pleased that Yutaka Katayama had achieved such a notable success and so to “reward” him they sent him to Los Angeles in the United States in 1960 to do “market research” and work on establishing Nissan/Datsun in the US market in all likelihood fully expecting him to fail." "Mr. K’s research and persistence in establishing a Datsun dealer network against the odds were remarkable achievements." "What was chiefly needed however were cars that would appeal to American buyers and Mr. K wisely advocated to the design team in Japan to build a real driver’s car. Japan heeded the call and the result was the groundbreaking Datsun 510 (aka Datsun 1600) of 1967. Incorporating a fully independent suspension and four cylinder SOHC engine based on Dr. Sakuri’s Prince six cylinder, effectively with two of the cylinders lopped off." "A sports car with that fully independent suspension and which featured an engine based on Dr. Sakuri’s Prince six cylinder with no cylinders lopped off – made to be a car that would give the Porsche’s a run for their money, the first of the “Z” cars, the Datsun 240Z." "But Mr. K understood that to call the car “Fairlady” was a kiss of death in western markets such as the United States. It is said he personally went and removed the “Fairlady” badge from every car in that first shipment." "Although the Datsun 240Z was designed by Yoshihiko Matsuo and a Nissan team the real concept for the car came from Mr. K. He had been heavily influential in the design of the Datsun 510 on which the 240Z was based, despite the two cars looking very different." ...and it goes on. Is there a car - and a backstory - that has had more utter nonsense written about it than the S30-series Z? Some of the stuff that these people come up with is parallel-universe level fantasy. So his daft description of the car for sale is hardly surprising.

Thanks for the tip. That's the one I'll go with. Richard McDonel

So just a little progress of working on my 1972 240Z that I’ve resurrected twice now since I’ve owned it from 2005 or so ..it’s been a long project and not perfect but it was my daily driver . This is where it sat for 8 years untouched next to my 1988 Toyota pickup in December 2024 All loaded up for the 1500 mile return trip in my 1986 f350 diesel I pulled from a field for 500 bucks a year earlier Once I got it home I got it running pretty easy but noticed an immediate problem in the form a rattling noise from the timing cover to discover a broken tensioner and missing bolts . After that issue was fixed I decided it was time to install my big brake kit I got from a junk yard 260z about 15 years ago .. don’t know who made the brackets but the calipers and rotors are from a 90’s corvette .. 12 inch rotors too ..don’t worry about the wheel studs they have been replaced since It also needed the carbs tuned As you can see they were way off plus I discoved the carbs were loose too ..explained why the erratic idle lol I just had to get a star road shift knob Radio was full or rodent crap and figured why not add a wide band afr gauge from auto meter in its place along with my driving light switch ..I still haven’t cleaned the marker off Also had to make my own headlight relay upgrade to run flosser h4 90/100watt ralley lights It’s an L28 with N47 head from a 1979 280ZX upgrades include 45dcoe triple Webbers . Msa 3 into 2 headers msa stage 3 schneider cam along with schneider valve springs Holley blue fuel pump . Kameari Racing distributor and fidanza light flywheel with centerforce clutch . Also running a single grove dampener . I will get the engine rebuilt in the future and get it up to 10.1 cr so maybe I’d get more out of the mods I have ..but still runs great and sounds amazing .

The writer's version. People have their unique talents. Three Dog Night made it work.

Good information. Thanks for the followup. There was none, now there is some. Well done.

As of this date it is NLA from Nissan !

Facebook marketplace $100. https://www.facebook.com/marketplace/item/1265446158557795/?ref=browse_tab&referral_code=marketplace_general&referral_story_type=general&tracking=%7B%22qid%22%3A%22-8463486491996509719%22%2C%22mf_story_key%22%3A%224732611337300919667%22%2C%22top_level_post_id%22%3A%224732611337300919667%22%2C%22commerce_rank_obj%22%3A%22%7B%5C%22target_id%5C%22%3A4732611337300919667%2C%5C%22target_type%5C%22%3A6%2C%5C%22primary_position%5C%22%3A78%2C%5C%22ranking_signature%5C%22%3A8680157257122688039%2C%5C%22commerce_channel%5C%22%3A501%2C%5C%22value%5C%22%3A0.00097449886189893%2C%5C%22upsell_type%5C%22%3A3523%2C%5C%22candidate_retrieval_source_map%5C%22%3A%7B%5C%2225209201332002879%5C%22%3A626%2C%5C%2225037753125825021%5C%22%3A626%7D%2C%5C%22grouping_info%5C%22%3Anull%7D%22%2C%22lightning_feed_qid%22%3A%22-8463536038638864453%22%2C%22lightning_feed_ranking_signature%22%3A%228680157257122688039%22%7D

Does it not catch onto the threads, one side of the notch isn't turned up a little? I don't understand any other reason for it.

http://www.zcarblog.com/wp-content/uploads/2025/08/477795897_1011115091063663_8033328159812275787_n.jpg Our Z Car Garage KW V3 Suspension is available in limited quantities. These coil-overs offer game-changing performance suitable for street, track and daily-driving for your S30 Datsun Z car. http://www.zcarblog.com/wp-content/uploads/2025/08/IMG_6502.jpg http://www.zcarblog.com/wp-content/uploads/2025/08/481184467_1024485623059943_4520335096885803442_n.jpghttp://www.zcarblog.com/wp-content/uploads/2025/08/480235492_1011115124396993_2250652587135409969_n.jpg http://www.zcarblog.com/wp-content/uploads/2025/08/IMG_8079.jpg View the suspension installed on Sung Kang’s RB26DETT-powered Datsun 240Z, Larry Chen’s SR20DET-Powered Datsun 240Z, James’ turbocharged L-series powered Datsun 240Z, Mrs. Butters, our Series 1 shop 240z and more client cars in the photos below. For more information on ordering and pricing please contact RobATzcargarage.com. Christopher’s 1977 Datsun 280Z http://www.zcarblog.com/wp-content/uploads/2025/03/IMG_0100.jpghttp://www.zcarblog.com/wp-content/uploads/2025/04/79132B3E-9580-4354-8193-A495343542AA.jpg http://www.zcarblog.com/wp-content/uploads/2024/04/Snapinsta.app_435453951_1100584987877003_6251338209217300970_n_1080.jpg Rashid’s Datsun 240Z http://www.zcarblog.com/wp-content/uploads/2023/12/IMG_3644-1024x768.jpeghttp://www.zcarblog.com/wp-content/uploads/2023/12/IMG_3668-1024x768.jpeg http://www.zcarblog.com/wp-content/uploads/2023/12/IMG_3660-768x1024.jpeg Larry Chen’s SR20DET-Powered Datsun 240Z http://www.zcarblog.com/wp-content/uploads/2025/08/482238822_1031449779030194_8541949018636167241_n.jpg David’s Datsun 240Z http://www.zcarblog.com/wp-content/uploads/2023/12/IMG_3914-768x1024.jpeg http://www.zcarblog.com/wp-content/uploads/2023/12/IMG_3658-1024x768.jpeg Sung Kang’s RB26DETT-powered Datsun 240Z http://www.zcarblog.com/wp-content/uploads/2023/04/230321attctn01_AD4I1590-1024x683-1.jpeghttp://www.zcarblog.com/wp-content/uploads/2021/10/IMG_6847-768x1024.jpeg http://www.zcarblog.com/wp-content/uploads/2025/08/489963857_10161147860356524_8556000592169917657_n-scaled.jpg Rick’s BRE-240Z inspired track car http://www.zcarblog.com/wp-content/uploads/2022/12/320600770_1009589563765747_4277675222190800456_n-1024x892.jpeghttp://www.zcarblog.com/wp-content/uploads/2025/08/IMG_7934.jpg http://www.zcarblog.com/wp-content/uploads/2025/08/IMG_7942.jpg Yoni’s Datsun 240Z http://www.zcarblog.com/wp-content/uploads/2025/08/482246435_1031972718977900_6077886151500554509_n.jpg James’ turbocharged L-series powered Datsun 240Z http://www.zcarblog.com/wp-content/uploads/2022/03/IMG_6794-1024x768.jpeg Mrs. Butters, our Series 1 shop 240z http://www.zcarblog.com/wp-content/uploads/2024/12/468610894_1296792398175930_6743499117304711_n.jpg http://www.zcarblog.com/wp-content/uploads/2025/08/508182070_10161384649461524_7603414350984985404_n.jpg View the full article

Thank you

Hi, I'm looking for a nice hood for my '72 Z. Anybody got a nice one for sale? I'm located in Seattle, WA. Thanks!! JH

Ahh. This is interesting & helpful. My tip is closer to the red (stock) above. And my corner (1 of them ) is closer to the red one too, although I'm uncovering atleast 1/8 inch of bondo (see pic) Question #2: Does anyone have any info/experience related to the remanufactured steel hoods available on ebay, etc? I see that they're going for anywhere from $800-ish to $1200-ish. I'm considering that as option. Any thoughts, advice, etc? Thnx! JH

Thanks for sharing! I don't watch much TV, so when Diane told me there was a Nissan ad with what looked like a yellow version of my 240, I had to check. Cool ad, although there will be those among us who find the rubber-burning, wheel-spinning parts to be "deeply offensive," to which I say, "suck it up baby sisters."

That makes sense, but the problem is really just cosmetic (once I've confirmed that the exhaust problem has been corrected), so I don't think I want to go as far as adding a second strut to correct it. I don't think all cars with the single strut have raised driver side hatches, though, so I'm thinking that there are other ways to address this. If the hinges are worn, that might be a place to start, or maybe the two hinges just need to be adjusted relative to each other to lower the driver's side? At this point I haven't glued the seals back in or attempted to adjust the hinges or latch, so I think I'll move ahead with those steps and see how close I can get things to flush. The upper portion of the new inner seal is almost vertical when installed. When the hatch is closed the vertical portion slides outward against the underside of the hatch to create the seal, so I expect it to compress a little over time as well. As an aside, I was happy to see that, with a couple of careful initial closings where I manipulated the seal at the hinges, the seal is sliding over them properly. Both my original seal and the replacement were mangled by the hinges. I've been procrastinating on the next steps because I know I'm not going to enjoy removing the adhesive from the car before gluing the new seal in, but I'll report back when I've made progress.

If you do one at the time you have a (mirrored) example there to see how it sits/comes together again.. and... ALWAYS make pictures BEFORE taking apart.. it's so easy to miss that sequence of the little rings/parts on there! RULE NUMBER ONE: MAKE PICTURES OF EVERYTHING YOUR GONNA RESTORE!

The first versions were (as far as i know) never sold officially, but only delivered for testing as prototypes. Some ended up in private ownership. but i guess those were very few. The upgraded suspension, front and rear spoilers, 5-speed transmission and the different front turn signals, etc were standard equipment on all european cars. Even though the parts catalogue lists things as optional, as far as i know, most (all?) european Datsun importers didn't sell any dealership options and most cars were sold as standard european final spec cars. Aside from Portugal, of course, which had their own specifications.

I think it can be unbolted with the fenders on. just enough room with a swivel, a bent wrench, some friends and a 6 pack. lol The backing plates can be retrieved if they fall, use a stick magnet, you might have to remove the ECU, Holding them in place while starting the bolts is another circus act. get some friends back over and a 12 pack. haha!!

@MH77280Z has done this on a 280 if I remember correctly. May be of some help to you. After seeing what you did to your older garage, I'm a little claustrophobic and it made me cringe, I am so happy for you and your new space. 🙂

IRON CROSS WHEELS SOLD.

280ZX TURBO engine SOLD.