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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Is it possible to take the 240z lower steering shaft out of column without dismounting the column and steering rack? Engine mount interference? I have to change the u-joint and did just find in another thread from CO it could go. but does it?
Last reply by Captain Obvious, -
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Sorry if this has been asked a bajillion times but i've searched on here and google but can't find what i'm looking for. It looks like the front control arms are the same 70-78 but the rears are year specific (70-73 and 74-78) Physical differences between the two I found here: https://forums.hybridz.org/topic/51104-differences-between-the-240z-and-280z-rear-control-arms/ Found a restored but used (also had urethane bushings already) set of front / rear control arms off a 75 280z. Would the 74-78 be a direct replacement or would I need to purchase different hardware? Would it even fit? Thanks!
Last reply by jfa.series1, -
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Suggestions for wheel alignment shops on SO Ca? Looking for one that caters to 240/280 Datsuns. Thanks ..Ron
Last reply by research monkey, -
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I am in the process of re-assembling the front suspension on my 1973 240z. I am wondering if there are large washers on the outboard sides of the crossmember that the large bolt goes through before and after the bolt goes through the crossmember for the lower control arm bushings. I don't recall there being one under the head of the bolt and under the nyloc nut, but it seems as though there could have been...Thanks for the help, Ryals
Last reply by grannyknot, -
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Here goes.... Started to look at my steering rack before I look at putting it on. Good: Rod ends are perfect, zero play minimal if zero backlash Bad: when the rack is centered, there's almost a dead spot, a tiny notch you can feel when sliding the rack side to side by hand. I couldn't see any damage on the rack, so I guess its on the worm gear and rack combined around the dead center spot, anyone had this? I can't find specs for measuring the rack 'teeth'. how do I narrow the culprit? Steering shaft U joints have a MM of play or so, however I think I can find these..... Any steering rack gods?
Last reply by Patcon, -
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Is there a write-up on the procedure to remove old cracked/split boots, replacing them with new boots? My searches didn't turn up any
Last reply by kenward1000, -
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I'm getting ready to go through the suspension on my 71 240Z. I find that OEM strut mount insulators are ~$80.00 https://zcardepot.com/products/strut-mount-upper-insulator-front-rear-oem-240z-260z-280z and after market @ ZCarDepot are $48.00. https://zcardepot.com/products/strut-mount-upper-insulator-front-rear-oem-240z-260z-280z-1 Anybody have experience with the after market ones. The saving on all 4 is like $120.00 for the aftermarket.
Last reply by w3wilkes, -
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Hi guys, I'm rebuilding/cleaning the steering rack of my 1977 280Z and I have two questions I hope you guys can answer. 1. My pinion shaft and bearing are stuck. Is there a way to get them out without destroying the bearing? The bearing seems in good condition and I don't know if I can find a good replacement. 2. After sandblasting the housing I noticed a white/transparant plastic peg or nipple or something next to the pinion shaft in the sport where the rack bushing goes. Does anyone know what it is and what it does? I kinda looked like it had a pin hole in it. You can see it in the picture in the middle of the bushing location after a coat on POR-15. …
Last reply by Patcon, -
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Big shout out to Z Car Depot and their rear strut tower brace. Purchased one and installed in minutes. I like that I can still use the factory covers and that it is so beefy. Highly recommended, very good quality welds. https://zcardepot.com/rear-strut-tower-brace-bar-240z-260z
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Last reply by Zedguy, -
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Hi guys, I just completed most of the engine tune up work today ? Now it's time to move onto the suspension. The stock suspension is very bouncy on our 1977 280z. My fiance and I are mainly going to be using the Z for driving around on the weekends and also for hitting the canyons every now and then. I want to lower the car to 1-1.5 inches. I don't plan on putting fender flares and maybe just using 215 tires on 16 inch wheels. What do you guys think would be the best option for suspension? I was looking at Megan Coilovers for $800, CX Racing for $882 or just eibach springs and KYB struts. How do you guys like your setups?
Last reply by 240260280, -
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I know this is a well discussed problem but I did come across a fairly easy solution with simple tools for removing a incredibly stuck gland nut without removing strut assembly completely from the car although you will need to remove the top of the shock tower from the wheel well for access. All you need is a 12" (or larger) channel lock with 3" jaws, two 14" (or longer) 1/2" steel cheater tubes, I used EMT conduit, plus a pipe wrench, mine is 18". The channel locks work well as the jaws have deep teeth that will bite into the gland nut edge giving you a good grip where most wrenches just end up rounding the nut corners. The 1/2" conduit fits snugly around the channel loc…
Last reply by Hardway, -
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Hey, I took the big bumpers off of my 78 280z recently and replaced them with the 240z bumpers on the front and back, but now my ride height is super high, probably around 3 inches of wheel gap. Would it be possible to buy those MSA lowering springs for the 240z and put them on? The 280z ones advertise a drop of 1 inch but I am looking for more like 2 inches. However I dont want to buy coil overs for they are very expensive and I dont want to cut springs if I don’t have to. Since the 240 is so much lighter I think that the 280z which is still a bit heavier with the bumpers off, so it will weight those down a bit more. Any consequences of doing this? …
Last reply by S30Driver,
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