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Do you mean you replaced the Pertronix with the MSD Blast and no resistor? When we replaced the original coil and resistor in my car with a Pertronix and no resistor the tach wouldn't work. I added a TachMatch device. It didn't fix the problem initially, but the entire setup mysteriously began to work almost a year later. It's possible that the tach would have started working again without the TachMatch, but the scenario you've described is one of the use cases for it and mine's continued to work perfectly all summer.

The car is as far as I have seen completely stock with the exception of aftermarket exhaust headers (explains the O2 sensor bung) and a aftermarket cold air intake filter. The crank angle sensor sits on a (I believe) homemade bracket and isn’t connected to anything. The Electrical harness (both car and engine) also aren’t modified so that lead me to the conclusion that the might have been used to “tune” the stock system. I am happy with the aftermarket exhaust headers as they sound good and I can watch the AFR via the O2 sensor and the temporary AFR gauge. I would like to monitor the AFR when driving but unfortunately the car doesn’t have an valid inspection so I can’t drive it on the road. And guess the reason it didn’t pas inspection…. So now I can only try and retune the car while stationary on my driveway, which should work fine enough for now. I did check and adjusted the TPS as the two prongs were a bit too close to each other and there was no middle ground between idle and wot positions. I set the timing to 16 btdc and the idle to 800rpm btw. I also blocked off the fuel supply to the cold start valve to eliminate that as a possible problem (don’t really need it anyway in my case). Only possible options I can think of now is to measure and check the electrical sensors (yes I read the EFI bible) and clean the inside of the AFM unit. Might also clean the injectors while I’m at it.

Here is a complete E88 cylinder head including valve cover. Ran when parked over 30 years ago. Lubed and free spinning. I would take $300 plus shipping for this head from a ClassicZCars member. Ebay Listing Here

I’ve had amazing success with Amayama. Once you have found the correct/ superceded part number you basically type it in. If there is a chance they can find it they search first and then request payment. Shipping is amazingly fast.

I hit 70 mph today. Seemed to like it just fine. Not sure how it would like it for ten hours, but it seemed to like it for five minutes. Temps started creeping up a little, which is somewhat disconcerting since it was a cool evening. I have previously been through a (critter induced) radiator calamity, but was hoping it was mitigated to the point of being OK. Maybe I still need to do more... Running out of time!!!

Something's wrong with the first listing. Broken link. The $589 is "Buy it now" and the other is an auction, with three bids to $56. I don't know if EBay auctions have a reserve or not. I'd guess maybe the seller can just not complete the deal? From what I've seen, the way to set a reserve on eBay is to set the reserve as the minimum bid to beat. Maybe he forgot or doesn't know to do that. The $589 is $539 with a coupon.

http://www.zcarblog.com/wp-content/uploads/2020/07/IMG_9860.jpg WE LOVE RACING! Classic Sports Racing Group (CSRG) is hosting the Sears Point Challenge at Sonoma Raceway, October 3-5. Z Car Garage is participating and supporting several client’s Datsun 510 race cars running in B-Sedan Group. This vintage racing event is totally FREE to spectators so please join us! Bring the family, enjoy cool cars and charity rides around the track. Attention DRIVERS: there is still time to register to race! Sign up HERE. http://www.zcarblog.com/wp-content/uploads/2025/09/510255373-1272423368226503-5578166857124943186-n_orig.jpg http://www.zcarblog.com/wp-content/uploads/2024/06/IMG_2779.jpghttp://www.zcarblog.com/wp-content/uploads/2022/09/IMG_0067-1-e1665112285742-1024x614.jpg Again, admission is FREE for this event and you will have access to all spectator areas on track, race cars and drivers. You can see our report from the 2024 Charity Challenge HERE Z Car Garage Supports Five Datsun 510s! http://www.zcarblog.com/wp-content/uploads/2021/09/IMG_5585-1024x768.jpg It is our pleasure to bring more enthusiasts into the world of vintage racing. Our services do include full race support and car-preparation to help make client’s race days seamless and worry-free so they can focus on driving. One of our specialties is dyno tuning. Before a race weekend we confirm that your car is running well and make necessary adjustments while on the chassis dyno: #88 Todd Rueppel Todd enjoyed his Z Car Garage trackside support experience with us at the Laps For Laguna event! http://www.zcarblog.com/wp-content/uploads/2022/09/IMG_0094-1024x768.jpg #7 Kelvin Tse Kelvin and his brother Kenny are regular ZCG trackside support clients… http://www.zcarblog.com/wp-content/uploads/2023/09/IMG_9853-1024x683.jpeg #64 Kenny Tse http://www.zcarblog.com/wp-content/uploads/2023/04/D42_7601-1024x682.jpghttp://www.zcarblog.com/wp-content/uploads/2023/04/IMG_5796-1024x768.jpeg http://www.zcarblog.com/wp-content/uploads/2023/04/IMG_5739-1024x768.jpeg #6 Noah’s Bluebird Coupe #72 Tom Dockery We have helped Tom build and prepare his Ex-Norm Balzer/Koobation 510 for several years. You can view his race report below: http://www.zcarblog.com/wp-content/uploads/2025/08/dockery_Seca2025.jpg #68 and #30 Noah’s 510 and BMW 2002 http://www.zcarblog.com/wp-content/uploads/2024/02/IMG_1245-1024x700.jpeghttp://www.zcarblog.com/wp-content/uploads/2024/02/IMG_1242-1-1024x950.jpg #7 Rob Fuller ZCG owner Rob Fuller, Bay Area Datsun Dealers tribute car http://www.zcarblog.com/wp-content/uploads/2021/07/194911938_10223470558583364_3451851388398014914_n-1024x684.jpg Photo by Jim Rose http://www.zcarblog.com/wp-content/uploads/2021/06/IMG_7351-683x1024.jpg http://www.zcarblog.com/wp-content/uploads/2020/08/IMG_0618.jpeg Vintage Spec Miata http://www.zcarblog.com/wp-content/uploads/2024/02/VSM-Welcome-1024x831.jpg We will also be supporting Vintage Spec Miata! http://www.zcarblog.com/wp-content/uploads/2025/08/IMG_2834.jpg Join us for the 2025 Vintage Racing Season! http://www.zcarblog.com/wp-content/uploads/2023/04/IMG_5896-1-1024x687.jpeg The Classic Sports Racing Group (CSRG) is excited to welcome Vintage Spec Miata (1990-1997) to all of their events! This is a fun, affordable way to get into vintage racing. If you have any questions regarding prep and presentation, reach out to Rob Fuller: rob@zcargarage.com. Z Car Garage is amped for more racing this year. Please check the CSRG website and zcarblog.com for upcoming race events. View the full article

Quite a blast from the past. Filling in the "rest of the story".

Still in original packaging, braided steel brake lines. $100 retail - I'll sell at $50 U.S.

Don't forget about the bronze valve seats that came OE in the E31. They're not good with the gas we use now but you can have them updated to steel for not much money if you're not currently running the head.

Looks like they are also for sale for $1000 BIN with free shipping. eBayAuthentic OEM Nissan Fairlady Z/Euro 70-78 Datsun 240z S3...A once in a lifetime find here! Original OEM Nissan headlight covers originally designed for JDM/Euro Fairlady Z cars. The OEM trim here looks 100 times better than the flat bar $800 reproduction trim

Try Amayama in Japan

Not the shipping tie downs but the ones that attach to frame maybe? Googled showed some similar when I searched... https://www.google.com/search?q=240z+tie+down+points&sca_esv=06dd4c047f376356&rlz=1C1VDKB_enUS1121US1121&udm=2&biw=1229&bih=556&ei=F8a0aJ7AG4b-p84Pzf-V8Qc&ved=0ahUKEwjep42dhraPAxUG_8kDHc1_JX4Q4dUDCBE&uact=5&oq=240z+tie+down+points&gs_lp=EgNpbWciFDI0MHogdGllIGRvd24gcG9pbnRzSP4gUKwHWIYccAF4AJABAJgBS6AB5QOqAQE3uAEDyAEA-AEBmAICoAJLwgIGEAAYCBgemAMAiAYBkgcBMqAH-QKyBwExuAdJwgcDMC4yyAcC&sclient=img

http://www.zcarblog.com/wp-content/uploads/2018/07/IMG_2471-1024x768.jpg The ZONC Annual Car Show will be held Sunday September 7 in Brisbane, CA. This a fun event in a great location so bring out your Z, G, Datsun or GT-R! Pictures from previous shows can be seen HERE with more details below. Z you at the show! http://www.zcarblog.com/wp-content/uploads/2025/09/540959607_24489751663968460_5939933431851389576_n.jpg Enjoy these photos from previous ZONC annual Car Shows: http://www.zcarblog.com/wp-content/uploads/2017/07/IMG_4083-1024x768.jpghttp://www.zcarblog.com/wp-content/uploads/2018/07/IMG_2507-1024x768.jpg http://www.zcarblog.com/wp-content/uploads/2018/07/IMG_2537-1024x768.jpghttp://www.zcarblog.com/wp-content/uploads/2018/07/IMG_2511-1024x768.jpghttp://www.zcarblog.com/wp-content/uploads/2018/07/IMG_2513-e1533073973161-1024x629.jpghttp://www.zcarblog.com/wp-content/uploads/2018/07/IMG_2423-e1532979419824-768x1024.jpg http://www.zcarblog.com/wp-content/uploads/2018/07/IMG_2430-1024x768.jpghttp://www.zcarblog.com/wp-content/uploads/2018/07/IMG_2548-1024x768.jpg View the full article

A good one. And you can't even here the Beatles.

How is that any more than just a guess - like the "I'm turning down the knob 2 1/16 turns"? Don't you need to know the AFR created by adjusting the jet position? And isn't the position different for varying temperatures and elevations?

@smdvr67 I would delete your personal contact info. Bots crawl the web looking for info like this! Only share personal info through Private Messaging / PM's

Right now it's on the motor, but I was surprised at how the empty cavities will flash rust in high humidity. I'm sure I will always have the obligatory rust. Hopefully some small bolt somewhere,. A speck is a sufficient qualifier... ;)

240Z rear control arm. Powder coated black. Straight. $25 ps Trying to get my garage and desk organized, I plan to list one part, with photo, every day. In the meantime here's a list, minus photos - if any one catches your attention, just write and I'll send photo. All parts are 240Z Two drive axles Two diff mounting springs Brake master cylinder Left headlight bucket pair of the battery and brake cylinder covers horn button heater - water connection New lowering coil spring set clutch and brake pedal assembly :

@Mike , There has been more spam added to the post by the bot.

My mechanic replaced a pertronix 1.5 0hms coil and 1.5 resistor coil with an MSD Blaster 2, 3 ohms coil. He got a better spark at idle and car runs much better. The thing is the stock 72 240z tachometer doesnt work any longer. Can someone give us directions on how to connect this correctly so it works as it did?

😎

@Patcon the exterior will print smooth, it's a graphics display issue and how SolidWorks saves the .stl file. When you slice it for printing the surface is rendered smoothly. Will post a picture of the first sample print when it's done, I'll do a trial piece in laser sintered nylon first. This is a sample off the Prusa 3D printer in SLA, much smoother than the graphic rendering. With laser sintering it uses powder to print the object so the layer lines and polygons are smoothed out. These are for my own use, I have no plans to sell them.

I think we always lose control of it. All we can hope for is that science fiction is just that.... fiction. Star Trek ("The Ultimate Computer" for example) Matrix Terminator I Robot Ex Machina

I have a few hoods but it will depend on your definition of nice decent, they will all need a little work. A little South of Olympia.