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3M Makes a really good advesive remover in an aerosal can. Not expensive. Works fast and might help to keep the rubber hose in tact. Also Goo Gone works well. Slow and steady wines the race.

Wow!!! That tranny mount is a rel deal. NOOOOOT!!!!

My brake pedal felt lower and spoongy than normal when driving. Checked master cylinder reservoir and found it to be down in brake fluid about half way. I refilled it and checked all 4 wheel cylinders and brake lines under the car and all were dry. Test drove car again and pedal was still lower and spoongy. Is it possible that master cylinder is leaking back into the vac. booster? Or is my booster going bad? Or could both be happening. Vac. boosters are hard to come by for my 79zx. Any thoughts?

@jfa.series1 I need to be schooled AsWell!!

I have some urgent projects around the house which I hope to be able to finish in the following days, but I hope after that I have loads of time for the Z again. So this will be a very quick update: I got some nice documents from Japan again: The first one is the "Z-2" Service Shuho Book, which is the equivalent of the English bulletins. They have become quite pricey recently, so i stick to focus on the most important ones, but when Z-2 (introduction of the Automatic transmission cars) showed up for a reasonable price, i made sure to get it. Here's my collection so far. There are plenty more, which I hope to add to my collection whenever they pop up for a good price. The second document is the December 1973 Nissan sports option catalogue for the HS30 "240Z". It's probably the most extensive one, which is 12-pages strong. It focuses on the HS30 Fairladies only, which means most of the listed parts also fit my HLS30 car. The other catalogues are either much thinner, or focus on a different car (Z432, for e.g.) or a whole range of Cars (240 / 260 / 280Z). But basically, it was a good price and missing in my collection, so that's why I got it. I hope for more updates, soon, I have some things planned... And I have some very cool things waiting to be picked up by me, or on the way here...

I have some urgent projects around the house which I hope to be able to finish in the following days, but I hope after that I have loads of time for the Z again. So this will be a very quick update: I got some nice documents from Japan again: The first one is the "Z-2" Service Shuho Book, which is the equivalent of the English bulletins. They have become quite pricey recently, so i stick to focus on the most important ones, but when Z-2 (introduction of the Automatic transmission cars) showed up for a reasonable price, i made sure to get it. Here's my collection so far. There are plenty more, which I hope to add to my collection whenever they pop up for a good price. The second document is the December 1973 Nissan sports option catalogue for the HS30 "240Z". It's probably the most extensive one, which is 12-pages strong. It focuses on the HS30 Fairladies only, which means most of the listed parts also fit my HLS30 car. The other catalogues are either much thinner, or focus on a different car (Z432, for e.g.) or a whole range of Cars (240 / 260 / 280Z). But basically, it was a good price and missing in my collection, so that's why I got it. I hope for more updates, soon, I have some things planned... And I have some very cool things waiting to be picked up by me, or on the way here...

@siteunseen Thanks Cliff. I didn't see it in those search results. Part of the problem is figuring out what the OP called that chrome squeegee strip... On another note. I'm all legal now! :)

I'm going to start cleaning up some of the stuff I have. Use these pictures and retire. 😁 I've got a storage building full! eBay1970-1983 Datsun 240Z 260Z 280Z ZX Rebuilt N47 Cylinder E...Fill fit into 240Z 260Z 280Z ZX with L28 Block and ROUND port exhaust systems. Learn more for our site at California Datsun. Why buy from California Datsun, Inc. THIS IS AN EXCELLENT ADDITION TO A... Really bad seller. Its was a scam from the get go. He purposely put another camshaft in the box of the supposed aftermarket modified camshaft. And he had audacity to charge 2/3 of brand new price of the Trojan horse of a camshaft he made it look like. He even painted it black high temp paint on used original factory camshafts. They or he hope an unsuspecting individual installs it. Really shady. I got a refund but this is horrible experience Brian Crower BC0211 Stage-2 Cams 264° for Nissan KA24DE RWD S13 S14 240sx RWD (#405586686015) Buyer: m***m (48) US $400.00 Verified purchase Past 6 months Reply from: california-datsun. Left within past 6 months. Wow, what an extreme exaggeration. We didn't "charge" you anything. We listed a item for sale that YOU agreed to purchase and pay for. It was a set of cams we purchased as new and never opened. You claimed you were unhappy so we immediately refunded you. No need for the dramatic fake story. What was so horrible? Have a nice day.

Stumbled across this transmission mount for sale on eBay. $200 for a crossmember and broken mount. Wow. If I'd known that prices would be so high I might have held on to some of my parts collection. https://ebay.us/m/O5Lr3p

Here's a way to clean your old tank if you ever decide to. 🤣🤣😁

I don't know if you've seen this, hadn't read the whole thread, but you should see the little mark in or close by the notch in the sprocket.

Not sure what it means but I misspelled hoses above as hosea. Prophet of Doom. No offense intended to anyone. https://en.wikipedia.org/wiki/Hosea

This is the book you want for doing your electrical tests. It is more clear than the FSM. Do your testing at the ECU plug and get actual reistance readings if you can. The water temperature sensor is important for determining the fuel-air ratio. Make a list of each reading. Most people go too fast looking for the quick find and fix. Then they have to go back and do it all over again. Been there. If the reading at the ECU is wrong then work your way out to the engine. https://www.classiczcars.com/files/file/32-efi-book-1980/ The smoke from the throttle body would be through the auxiliary air regulator (AAR). It is open when cold to allow a high idle speed. It's the torpedo shaped thing with two big hosea and an electrical connector. Not sure what's up with the fuel pump readings since the engine started. If you get it running well engough to drive it and it pops back and bucks, try the fuel tweak. https://www.atlanticz.ca/zclub/techtips/tempsensorpot/index.html Deeper and deeper he goes...😈

Exciting news! Cylinders 2 and 5 seem to have faulty injectors! As per the fsm prescribed method for testing them!

There is also no continuity at the fuel pump contact points.( 10 and 20 ) the test performed by checking for continuity at these pins with the air flow meter door depressed .

Well. I have blown out my fuel lines and replaced the fpr. The car started would idle terribly and the engine would not accelerate i let it run some and then checked the plugs AND THEY WEREN'T FOWLED! Next thing I did was a smoke test on the vacume sytem there seems to be a significant amount of leakage past the throttle plate as I introduced the smoke into the intake behind the throttlebody, yet it poured out as if the throttle was open. Any advice about ? Is it a faulty bccd aar? It doesn't seem right to me . So next I went back to the continuity tests in the fsm , but when I got to air flow meter pins the pins in the harness are empty. (Where as the schematic lists them as being used by the air flow meter .) There are pins at the indicated location for the airflow meter temp sensor. But there is no continuity .(6 and 27) I suppose I will go on with the continuity tests but if anyone has a 77 specific fsm continuity test sequence for the airflow meter it would be greatly appreciated. Well. So it goes thanks again everyone!

Ha, fantastic. Thanks Steve.

If you can get to Harbor Freight tomorrow, here's a coupon for the large and small picks: https://go.harborfreight.com/coupons/2025/07/184225-69592/

Thanks Guys, some excellent advice on tools, approach and lubricants. I'll get on it tomorrow and post some feedback on how it goes. Thank you.

Get a couple of 90 degree picks, 1 large & 1 small. Round off the tips so you don't poke through the hose. First, work the small one around the lip of the hose to break it loose. Then, follow up with the larger one. After you break the adhesion, put some silicon grease on the larger pick and work it around again. Try the tongue-and-groove pliers to twist back and forth until it breaks free.

If the worst should happen and you damage the filler tube I have a used one in excellent condition that I will let go at a very resonable price.

Be patient. Space heater to warm the whole thing up? (Here, this time of year, we wouldn't be having that problem...) I wouldn't use pliers. I'd try prying the end of the filler hose away from the tank (or the tank away from the filler hose - which ever way you want to look at it.) with one or two long prying tools (whatever works to catch the edge of the hose without harm - thin or wide) Long screwdrivers? Flat pry bar? Regular pry bar? Non-metallic pry tool? But you do need to somehow break the "bond" that the rubber has made with the steel inlet tube. Then treat the filler hose with Meguiar's Hyper Dressing...

Found a picture that I took in the "let's see if that would really work" phase. In this picture the "mounting plate" (thin piece of flat aluminum) wasn't trimmed such that it would fit the clamshell. That took a bit of further modification to the shape of that plate. But it did prove that the toggle switch would be actuated by the stock turn signal components. I do not have dimensions without disassembling it. I also think it required a bit of trim on the switch handle for the end of it to fit properly in the "plastic thingy" of the turn signal assembly. (plastic thingy - which happens to be on thingaverse as a 3d printable item...) I got this metal toggle at O'Reilly but they can be had everywhere. You can see that the stock switch is much more compact and a little searching might find a smaller toggle than this one - and possibly with less protrusive electrical connectors... I wanted something simple and common.

I am replacing my gas tank (rust issues) with a new one from S30. I have everything unhooked but the main filler hose that is connected to the tank. I've used slip joint plies that won't budge it and also gentle heating with a heat gun. The tank has been empty for months and i blew a bunch of air through it first. Also afraid that if I get the rubber too soft I might just deform it with the pliers. It looks like new main filler hoses are going for about 125 to 175 dollars so I want to avoid that. Right now the tank is just hanging loose under the car on a support I've set up. Any ideas are welcomed.

I didn't replace the turn signal - just the switch. And it can only be done relatively simply in the '74-'78. 240Z switches have too many contacts and functions intertwined with the overly complicated hazard switch to be replaced by a simple three position rocker switch. If I didn't have to take mine apart in the 100+ Arizona heat, I'd take a picture. I'll see if I can find the post that put me in that direction - it was not my brainchild.