Installing ksport coils 08 coupe ( questions)!!!!
#1
Installing ksport coils 08 coupe ( questions)!!!!
As you guys are probably familiar with, the 2008 G37 came with a strut and separate spring combination for the rear suspension. My question to you guys is, I have recently purchased a set of KSport coilovers, and they came as a one piece coilover, not a separate strut/spring combination. What I'm wondering is, will this change the geometry of my rear suspension at all, seeing as into the OEM setup, the spring seats into the lower control arm. I'm wondering if there is enough force/tension on that suspension setup to make a difference in handling/safety characteristics by changing the gravitational force to a different location. Will this affect suspension travel? Will this make it more difficult to set pre-load? Will this affect toe-in and natural camber more so than a proper seperate spring/strut?
Remember I bought this and it said it was for my car... Just wanna know if I install this will this work properly thus having that lower control arm spring there
Rear could and oem monotube strut
Oem read monotube strut
Lower control arm spring
Remember I bought this and it said it was for my car... Just wanna know if I install this will this work properly thus having that lower control arm spring there
Rear could and oem monotube strut
Oem read monotube strut
Lower control arm spring
#2
Movin On!
iTrader: (13)
For spirited daily driving I doubt you'd notice any difference vs. the OEM type rear setup. You have two options for setting toe now though. You can either keep your lower control arm intact and use the OEM toe bolt setup or you can remove the lower control arm and replace it w/ toe arms. There would be a bit of weight savings but other than that there's not much difference. And setting preload is easier since you're only dealing with one section rather than an independent spring. The only negative that I'm aware of w/ "true" coilover setups on the G (and the Z) is it concentrates all that load into the rather small area where the upper rear shock mounts. In the OEM setup you have that load spread out over that larger upper spring perch w/ that thick rubber cushion, so NVH will probably increase. But keep in mind coilovers w/ the OEM setup will also increase NVH since that thick rubber spring cone is replaced by a much thinner rubber washer on the adjustable height collar (typically about a 1/4" thick vs. the OEM rubber cone that's about an inch thick IIRC). There's also guys on the Z boards that have reinforced that upper mount w/ some metal plate, but this is for those that are tracking their Zs regularly, I haven't read any instances of that area failing to support though FWIW.
Last edited by blnewt; 10-08-2016 at 08:22 PM.
#3
For spirited daily driving I doubt you'd notice any difference vs. the OEM type rear setup. You have two options for setting toe now though. You can either keep your lower control arm intact and use the OEM toe bolt setup or you can remove the lower control arm and replace it w/ toe arms. There would be a bit of weight savings but other than that there's not much difference. And setting preload is easier since you're only dealing with one section rather than an independent spring. The only negative that I'm aware of w/ "true" coilover setups on the G (and the Z) is it concentrates all that load into the rather small area where the upper rear shock mounts. In the OEM setup you have that load spread out over that larger upper spring perch w/ that thick rubber cushion, so NVH will probably increase. But keep in mind coilovers w/ the OEM setup will also increase NVH since that thick rubber spring cone is replaced by a much thinner rubber washer on the adjustable height collar (typically about a 1/4" thick vs. the OEM rubber cone that's about an inch thick IIRC). There's also guys on the Z boards that have reinforced that upper mount w/ some metal plate, but this is for those that are tracking their Zs regularly, I haven't read any instances of that area failing to support though FWIW.
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