280zNHChris Posted August 23, 2009 Share Posted August 23, 2009 (edited) I just got a73 240z with 2 boxes of springs from Victoria British dated 1994, the numbers on the box are 87-631 rears and 87-630 front. The invoice said Ground Effects Springs but I can't find any info on them. They are silver and have different paint blotched on the bottom. Also a tag says there is a left vs. right. So if anyone has an old catalog laying around with those catalog numbers if you could let me know what they are. Thanks Chris Edited August 23, 2009 by 280zNHChris new info Quote Link to comment Share on other sites More sharing options...
280zNHChris Posted August 25, 2009 Author Share Posted August 25, 2009 OK. Here's a pic on the oem strut housings w/spindle. I will call Black Dragon and see if they can help me. I also ended up getting 4 new KYB gr-2's with the car and want to make sure they will work because some things say the KYB's won't work with lowered springs. Thanks Quote Link to comment Share on other sites More sharing options...
280zNHChris Posted September 2, 2009 Author Share Posted September 2, 2009 Anyone?? Called Blackdragon and they said all they have is "ground effects springs 70-73 240z". Wondering what the spring rate is. Also if they should work fine with kyb gr-2's. They came with the car also. Thanks Quote Link to comment Share on other sites More sharing options...
280zNHChris Posted December 4, 2009 Author Share Posted December 4, 2009 Wanted to bring this up one last time. I can't fnd info on them. I want to powdercoat them but I don't know if the paint blotches on the springs mean something. If anyone knows anything about these I would appreciate it. Spring rate and mainly are they lowering and will the gr-2's work with them. Thanks Quote Link to comment Share on other sites More sharing options...
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