Substitute for Hyperco IIs - SR20 Forum
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post #1 of 4 (permalink) Old 10-18-2018, 12:20 AM Thread Starter
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Substitute for Hyperco IIs

I'm replacing the stock suspension and I have done a fair amount of searching, certainly enough to know that if one is going with springs and struts (vs. coilovers), Hyperco IIs are the best springs. The only problem is that unless I can somehow find some on the secondary market, they are unavailable. The answer I've unsuccessfully searched for is "what would be a good substitute for Hyperco IIs"? (Apparently coilovers are the ideal setup but I don't auto cross... in fact all I do is commute 11 miles round trip 5 days a week.)
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post #2 of 4 (permalink) Old 10-23-2018, 05:37 PM Thread Starter
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I'm trying to discern if my question has stumped the sr20forum (which seems very unlikely) or if I've simply asked an unanswerable question, i.e., perhaps there simply aren't any lowering springs to compare with Hyperco IIs. I am going to replace the stock springs/struts. I do want about 1" - 1.25" drop but I don't want a bone-jarring-ride; comfort is way more important to me than how it looks. I can afford coil overs but I don't see the point; my 1992 SE-R is my winter DD and if I want to AutoX I would drive my S2000. I wouldn't bother the forum with this, I just haven't been able to find much information on a viable alternative to Hyperco II springs. So perhaps a few of you would be willing to render on opinion regarding the following choices (and thank you for your consideration):

H & R
Eibach
Whiteline
Tein S tech (they are offered for the G20, just wondering if they might also work for an SE-R classic)
Megan
Swift
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post #3 of 4 (permalink) Old 10-24-2018, 12:59 PM
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I have done a fair amount of research on this. I have also run the Eibachs, the White Lines and the H&Rs. I finally went with the Hyperco springs because they are the only ones that will not bottom out on you. The other options do not have enough spring rate to prevent bottoming out, even if you run trimmed bump stops. (I highly recommend the foam bump stops, I think they are by Koni, but it's been a long time and the memory ain't what it used to be).

If you cannot find Hypercos in the aftermarket, I would recommend that you run Koni struts, probably set on full soft with the factory springs. Combine this with either poly bushings for your sway bars or upgraded sway bars from White Line or another source. Finally, you will be surprised how much a good alignment will do for your handling -- slightly enlarge the mounting wholes for your struts and maximize negative camber on all four wheels (you might get maybe 1*). Also set your from toe in to 0* or just a little bit of toe in (like 1/16") if you need a feel of more self centering in the steering. To emphasize: The Konis provide the best ride whether you run stock springs or aftermarket options. Don't skimp on your struts.

Obviously, this set up will not lower the car, but it will give you a very good ride and surprisingly good handling on the street. It's a solid way to go if you cannot get the Hypercoils.

Bill
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post #4 of 4 (permalink) Old 10-26-2018, 08:14 PM Thread Starter
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Thank you billc ! Sounds like great advice (and yours may be the only reply I get!)
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