Suspension & Steering
Post your questions and answers about these major components of the Zcar and anything related.
2,208 topics in this forum
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- 25 replies
- 5.8k views
I just bought a '73 240Z with tokico shocks and eibach springs but whenever I get onto the freeway and exceed about 60 mph, the ride gets reaaaally wobbly and twitchy. Is there anything besides worn out bushings that could cause this?
Last reply by rdefabri, -
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I made a blunder in that I didn't record which bolt goes where on the rear diff hangers. I now have all the bolts back from replating I'm looking to install the rear diff mount back in soon. But I really do need to be sure that the right bolt goes back in the right hole. It's a "I may as well as I've gotten this far" type of thing. So can someone crawl under a car and let me know what number is stamped on the bolts that secure the hanger to the body. Also is there a flat and spring washer. Also ID the bolts that secure the inner A frame axles. Front and rear end please. It's been a while. Cheers James ps, hope whoever's image I used is OK with me using it.
Last reply by =Enigma=, -
Very Stiff Ride 1 2
by Shakey- 16 replies
- 3.7k views
I have a '72 with a very rough ride. It just does not make for a very pleasent drive, especially for the wife, when the car seems to take every bump as a major parking lot speed bump. All bushings had been replaced with a Susp. Tech. urethane kit and Tokico springs/shocks/struts within the last few years. Tires are Goodrich 14" T/A's. What first could be done (or at least looked at) to try and soften the stiff ride?
Last reply by gnosez, -
- 3 replies
- 2.4k views
I have been researching OEM shock inserts and have identified the following part numbers: 56105 E4125 normal resistance shock front 56105 E4185 firm resistance shock front 56205 E4125 normal resistance shock rear 56205 E4185 firm resistance shock rear Does anyone know what causes the shock to be either "normal" or "firm"? Is it the viscosity of the oil in the shock? Is the the internal valving of the shock? Also, which shock was installed during original manufacture of the 1970 model year? Thanks, Keith
Last reply by Mr Camouflage, -
- 0 replies
- 1.1k views
I'm going to try a factory 76 bar on my 73. Since I have lowered the car 1 1/4" shouldn't I use a shorter end link in order to keep the geometry correct?
Last reply by 240ZGL, -
- 2 replies
- 1.3k views
I am taking my complete suspension off to clean up and repaint the bits and pieces prior to putting the car back on the road now that all the crash damage from last fall is fixed. My '72 has Illumina shocks and Eibach springs. On the front springs (15.25" uncompressed length) there is a slightly tighter "wind" at one end and, I believe, that will be the case for the rears too when I get them off. My question is, when I reinstall them, which end should go up? Because the springs will be loaded the same regardless of which end is up, I think it shouldn't make any difference to the ride. But it will certainly look different depending on how I reistall them. At the moment…
Last reply by five&dime, -
- 7 replies
- 2.6k views
I am in the process of installing G-Machine camber bushings (purchased from MSA) in my '72 - replacing the urethane ones that have been in for almost 5 years - and have a question. How does one actually adjust the rear camber with these things, especially with the flimsy "tool" that MSA sells for this purpose? The rear bushings are located at the pivot points for the rear A-arms and are aluminum cylinders with thin, hexagonal end plates and offset holes for the A-arm tube. The tube ends are isolated from the aluminum with polyacetal (Delrin) bushings that are inserted from either end of each assembly. Now, the aluminum part is what is supposed to be turned using the s…
Last reply by gnosez, -
- 1 reply
- 1.1k views
i replaced the bushing on the rack and pinion is there suppose to be a gap or are the brakects suppose to be snug
Last reply by 280~Master, -
- 4 replies
- 2.1k views
Does anyone know what brand of springs these are? The specs are : Length 12 7/8 thickness 0.440 12 3/4 0.440 12 3/8 0.461 12 3/8 0.461 I bought them in 84 and were never put on a car. The invoice just says "4 springs". There are no markings anywhere on them. And for all of you who are already driving this year, yes the photo was taken today.
Last reply by HKSZ, -
- 3 replies
- 2.2k views
Hello all! Does anybody know for a fact wether the INSIDE dimensions- inside diameter and depth (the space where you put the strut insert in) of the Front strut housing is EXACTLY the same as the Rear strut housing? The reason i asked is that i bought a pair of KYB "Ultra SR" cartridge inserts that i put on the 240z`s FRONT, and was wondering if they would fit the REAR. I really dont want to bring down the rear struts and find out that the same or similar struts i have wont fit the front struts. If that happens, we`l have to order KYB`s from overseas, and thats downtime for the Z (express delivery going here together with importation taxes can dr…
Last reply by PATZ, -
- 4 replies
- 1.6k views
I have a production date 5/73 240Z. I just had the car up in the air today to change the differential oil and noticed that there is no rear anti roll bar installed. I see the brackets on either side of the frame but no bar. Was the rear sway bar an option? Can anyone think of a reason as to why this would have been removed. There is a sway bar on the front. I would like to install a rear sway bar but, before I do, I'm wondering if anyone can chime in with any guesses as to why my bar was removed (or if it was even ever there when the car left the factory). If it turns out that I need one, does anyone know of place that just sells the rear sway bar? MSA only sells t…
Last reply by wavemux, -
- 0 replies
- 1.1k views
I recently located a NOS set of 4 Tokico S Series shocks (black cartridge). They are an oil based shock rather than the Tokico H Series shocks (blue cartridge) which are a gas based shock. Has anyone had any experience with the Tokico S Series shocks in terms of comfort and handling compared to the original 240Z shocks. I want keep the car as close to OEM as possible. Thanks, Keith
Last reply by zed2,
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