Technical Articles
Technical articles and how-to articles
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Has anyone solved the transition from the original 2 point lap sash seatbelt to installing a 3 point inertia reel seatbelt in a 240z?
Last reply by jfa.series1, -
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- 4 followers
- 11 replies
- 8.4k views
You can view the page at http://www.classiczcars.com/forums/content.php?r=201-Honda-Wiper-Motor-Upgrade-for-the-240Z
Last reply by rick240, -
- 2 followers
- 2 replies
- 509 views
Hi all, I own both the classic Haynes manual and Wick Humble's How To Restore Your Z-Car in print form, but I'm trying to find PDFs for purchase or download (if your copyright views of already-owned material swing that way). Does anyone know where I could find them? I'd love them in digital form to aid in access when in and around the shop or away from home. Plus them being easily searchable on my computer/iPad would be a productivity boon for me. Any leads are welcome! Please note I do already own both of these in various versions, so I'm not looking to do anything illegal here. Cheers, N.
Last reply by GoldAir, -
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- 0 replies
- 407 views
Hi all, Does anyone have any insight on the different fonts used on the Series 1 AM radio faceplate for the numbers? I can see two styles: A more rounded sans serif font, as seen here, here and here (on the $310k BaT sale) A stenciled, almost "military" style block font, as seen here and here I'm unsure if it's factory differences, a different model (I've seen references of a Hitachi TM-1081 with different Z and B codes), or simply restoration work. Any information would be appreciated as I'm trying to acquire an original, correct radio for my 10/71 Series 1. Attaching images here also incase the links go dead in the future.
Last reply by GoldAir, -
- 5 followers
- 37 replies
- 11.6k views
There has been a conversation going around my e-mail about early hoods (bonnets) and the differences between them. A couple of friends are pouring money into their restorations and the rest of the low VIN club guys are watching with delight. The conversation got on to hoods one day and I rushed home to have a look at what I have. Of course, you all know that Princess 27th of the rust brothels in Dover, Delaware is pretty trashed. I bought a hood from a guy who swore it was a very early '70 style. 27th's hood is trashed, but like most of her, its original. So I lined the two up and compared. The major question being; "Is there a difference between the hoods of the e…
Last reply by GoldAir, -
- 15 followers
- 185 replies
- 45.4k views
I've been doing a bunch of suspension work to my 77 this off-season and part of that work has been on my steering rack. I suspect this is old hat for lots of people, but it's my first time this deep into the rack and I've been trying to take pics of the interesting spots along the way. This whole project started with the rack mounting bushings. My previous owner installed polyurethane bushings on the rack mounts and they didn't look like right. The project snowballed from there, but let's start with the bushings. On the pass side, the bushing looked too narrow for the mounting slot on the rack and after some digging on the forums, it appears that the width of the P/S r…
Last reply by GregD, -
- 1 follower
- 5 replies
- 599 views
I was reading the service manual last night and thought it would be a good idea to have a form to track tune-ups etc. Has anybody created a form they use that is based on the Service Manual? If not I'll probably make a pdf or maybe a little database for the iphone. I'm sure a log book is enough, but I'm retired and can make something if it hasn't already been created.
Last reply by Mark Maras, -
- 2 followers
- 16 replies
- 12.3k views
Had fun with my good buddy Dr240z refining the tuning of his triple webers. The last time we set them we used a fuel level of 25mm below the cover-body margin (as per Keith Frank's recommendation). It turns out this is way too high and caused the cruise to be too rich... something that could not be tuned out. Idle and WOT were easy to set however. This time we set the fuel level to 29mm and used a new rig to do this as precise but much faster than the pipette method or the caliper method. It turns out that a column of water 8' to 9' high "head" gives a pressure of 3.5 to 4 psi at the base (simulating that of the fuel pump on a Z.) so we strung a funnel an…
Last reply by Zedyone_kenobi, -
- 4 followers
- 9 replies
- 3.1k views
I know the 1970 and 1971 240Z's came with a vinyl wrap around the bundle of wires at the right side of the console, perhaps the later models did as well. Recently I was requested to measure and photograph my OE wiring wrap so that a friend could have it reproduced. These photos and measurements may be of benefit to others to also get a wrap made. Note that the center of the wrap is wider than the top or bottom to accomodate the bulge of connectors in the middle of the wiring bundle. There are two darts cut into the fabric edge on each side to form the "curve".
Last reply by LBO730, -
- 2 followers
- 3 replies
- 2.4k views
This thread, is about gearoil and the aditiv Slick50 that came out in the 90's? Some stuff that has PTFE in it.. After 20 years of driving a 5 speed (30000km) the gears are making a lot of shifting noise.. again.. Going back from 4 or 5 to 2th is almost impossible to do. @Pilgrim you askt: Are you double - clutching your downshifts? I sure would be. It greatly reduces the work of the sync rings. I do it now by reflex on my ZX. I drive z and zx now for almost 30 years and never double clutched gears.. i have tried it with my problem gearbox but it's so bad it does not help much.. the gears seam to be rolling long after i activated the clutch.. …
Last reply by Zed Head, -
- 3 followers
- 32 replies
- 4.9k views
Early '71 240. I am trying to find out the ohms reading for the fuel sending unit to fuel gauge. We have installed a AutoMeter Ultra Lite gauge that reads 0-73 ohms. Part of the problem is the person at Auto Meter states that 0 is empty and 73 is full. Then, I spoke with some one else at Auto Meter (for a different matter) and they say they own a 240, and the sending unit is 0-90 ohms but the gauge we installed is a 90-0 ohms. What is the ohm's on the 240 fuel sending unit? Which is the empty reading (should be 0 I believe). Thanks Ed
Last reply by AK260, -
- 2 followers
- 3 replies
- 1.9k views
In the process of installing this unit in the cab area of my friends z and the paper work from the manufacturer sucks. It shows for a small block Chevy. Anybody that can shed some light on how to mount the 2 brackets to the car would greatly appreciated. Mahaloz in advance. Aloha from WA. Sent from my iPad using Tapatalk
Last reply by Derek,
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