DAT240Z Posted December 15, 2004 Share Posted December 15, 2004 I have a set of Eibach springs on my 240z the problem is that the rear is sitting lower than the front. If there's anyone with Ebiach and you car sit Level can you look at you springs and see if you can read the part# on them a let me know which goes where. and if the tightly wined side goes up or down Thanks Quote Link to comment Share on other sites More sharing options...
JMortensen Posted December 15, 2004 Share Posted December 15, 2004 Long ones go in back, tighter wound part on top. Quote Link to comment Share on other sites More sharing options...
Synlubes Posted December 15, 2004 Share Posted December 15, 2004 Just for a reference, my rear springs are a bit thicker (coil diameter) than the fronts. So measure your coil thickness (front - rear) to see if there is any difference. This is referencing (non-coilover) aftermarket springs. Quote Link to comment Share on other sites More sharing options...
ULISES Posted December 16, 2004 Share Posted December 16, 2004 I have the same problem. I went to msa and told them this story And they sold em a pair of donuts. They go in the rear, Our Z's come with them but wear out. When we take the old struts out in most cases this donuts are not there. I bought a pair but have not installed them yet. Quote Link to comment Share on other sites More sharing options...
2003z Posted October 1, 2005 Share Posted October 1, 2005 Long ones go in back, .Apparently, this is wrong, for any future search engine users. I picked the wrong post to follow the advice of. No big deal though, just have to redo them tomorrow. .001 in front, .202 in back. the shorter ones actually go in the back, or you will get this: Quote Link to comment Share on other sites More sharing options...
olie05 Posted October 1, 2005 Share Posted October 1, 2005 Wait, I installed the tightly wound part of the spring towards the bottom. Is that worse than if I had it on top? Quote Link to comment Share on other sites More sharing options...
2003z Posted October 1, 2005 Share Posted October 1, 2005 Wait, I installed the tightly wound part of the spring towards the bottom. Is that worse than if I had it on top?no difference Quote Link to comment Share on other sites More sharing options...
A. G. Olphart Posted October 1, 2005 Share Posted October 1, 2005 Olie05- Mr. Coffey may correct me on this... but I think there is a technical rationale for having the tightly wound coils at the top: at the top, they act mostly as sprung weight. Would the difference be noticeable? I doubt it- it would take an extremely well calibrated buttometer. Quote Link to comment Share on other sites More sharing options...
matt_w Posted September 11, 2009 Share Posted September 11, 2009 Mine are installed correctly, but the rear is still about 1.5 inches lower than the front. Has anyone tried the replacement "donut" from MSA to fix it, or are there any other tricks? Quote Link to comment Share on other sites More sharing options...
JMortensen Posted September 12, 2009 Share Posted September 12, 2009 The long ones DO go in the back. Not sure what problem 2003z was having, maybe he had a 280 and switched the strut tops front to rear or something, but I'm 99.999999% sure on the spring length. You can search here or at classiczcars.com and find the question asked before with the same answer. Example: http://www.classiczcars.com/forums/showthread.php?t=32463 Also the spring winding thing is correct as stated by A G Olphart. Putting the tighter winds at the top means that less of the spring is unsprung weight. It's a little thing, but the devil is in the details. Quote Link to comment Share on other sites More sharing options...
Flexicoker Posted September 12, 2009 Share Posted September 12, 2009 for what its worth... I put the tighter wound end on the top when I installed the eibachs in my car, if I were to do it again I'd do it the other way around. When the car is on the ground most of the coils on the tighter end are bound, and when that end is on top it prevents you from looking through and seeing the shock shaft. Its nice to be able to tell at a glance if you're hitting the bumpstops. Quote Link to comment Share on other sites More sharing options...
matt_w Posted September 14, 2009 Share Posted September 14, 2009 I've tried it both ways now, and the rear end is lower either way. Also, I think 2003z is just confused, because the 001 part number (which he says to put in front) is the shorter spring according to that classiczcar thread... Quote Link to comment Share on other sites More sharing options...
Flexicoker Posted September 14, 2009 Share Posted September 14, 2009 My springs came with a little piece of paper that said which springs went where, my rear is a visibly lower than the front, but not that much. Quote Link to comment Share on other sites More sharing options...
JMortensen Posted September 14, 2009 Share Posted September 14, 2009 for what its worth... I put the tighter wound end on the top when I installed the eibachs in my car, if I were to do it again I'd do it the other way around. When the car is on the ground most of the coils on the tighter end are bound, and when that end is on top it prevents you from looking through and seeing the shock shaft. Its nice to be able to tell at a glance if you're hitting the bumpstops. Don't mean to be rude, but do you really think you're going to hit the bumpstops when you're looking at the spring, or do you maybe have a camera set up in the fenderwell or something? If not, you should KNOW if you're hitting the bumpstops with the car stationary, because it would shake your fillings out when you drove it. If you want to check what part of the travel is being used, I like the zip tie on the shock shaft method. Perhaps doing that test might require taking the tire off if the spring was on the right way, but how many times are you going to need to check that? Quote Link to comment Share on other sites More sharing options...
Flexicoker Posted September 14, 2009 Share Posted September 14, 2009 Thats what I meant... checking the zip-tie without taking the wheel off and putting the car on stands =) Quote Link to comment Share on other sites More sharing options...
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