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Re: Suspension tuning - dampers, spring rates, etc.

Posted: Mon Sep 18, 2017 3:06 pm
by lanceh
Another bushing option...from another Expo sponsor...is Mugen(King). OEM quality and slightly stiffer bushings but obviously you're paying a premium.

Re: Suspension tuning - dampers, spring rates, etc.

Posted: Mon Sep 18, 2017 5:14 pm
by coolhandluke
lanceh wrote: Mon Sep 18, 2017 3:06 pm Another bushing option...from another Expo sponsor...is Mugen(King). OEM quality and slightly stiffer bushings but obviously you're paying a premium.
Are all the Mugen bushing pieces still available?

Re: Suspension tuning - dampers, spring rates, etc.

Posted: Tue Sep 19, 2017 7:53 am
by aw614
Are there actual durometer measurements for the spoon/mugen bushings vs stock? It really depended on the application, but I thought most bushings from spoon/mugen were fairly priced compared to some of the scene point stuff mugen and spoon fans seem to clamor for that I wouldnt always pay for...

The mounts from rhd japan and compliance bushings are what I am currently using. No feedback on the mounts b/c car is still down...

Re: Suspension tuning - dampers, spring rates, etc.

Posted: Tue Sep 19, 2017 11:06 am
by lanceh
coolhandluke wrote: Mon Sep 18, 2017 5:14 pm
lanceh wrote: Mon Sep 18, 2017 3:06 pm Another bushing option...from another Expo sponsor...is Mugen(King). OEM quality and slightly stiffer bushings but obviously you're paying a premium.
Are all the Mugen bushing pieces still available?
I replaced everything ~2 years ago and while all were still available at the time some weren't in stock and took a few months for them to make their way to me.

is mugen worth it? hard to say but i just remember CanuckR's '97 felt amazing on track and that's what it had so i figured :moneyburn:

Re: Suspension tuning - dampers, spring rates, etc.

Posted: Wed Sep 27, 2017 6:32 pm
by white rocket
I went the Mugen bushing route 10 years ago when I redid my suspension. As mentioned, OEM quality using rubber, not poly, with a slight increase in stiffness. I would do it the same way again if I had to.

For those with Kingpin bearings, any long term usage feedback in terms of increased NVH? The compliance ones have me drooling but the popping/clunking associated with sphericals has me hesitant.

Re: Suspension tuning - dampers, spring rates, etc.

Posted: Thu Sep 28, 2017 3:45 pm
by lanceh
white rocket wrote: Wed Sep 27, 2017 6:32 pm For those with Kingpin bearings, any long term usage feedback in terms of increased NVH? The compliance ones have me drooling but the popping/clunking associated with sphericals has me hesitant.
NVH?

absolutely no popping/clunking from my kingpin compliance bearings, on track or off.

one additional benefit: i pulled the power steering years ago and it always felt heavier than other cars w/o PS. after installing the compliance bearings it lightened it up a noticable amount

Re: Suspension tuning - dampers, spring rates, etc.

Posted: Fri Sep 29, 2017 11:08 am
by white rocket
lanceh wrote: Thu Sep 28, 2017 3:45 pmNVH?
Noise, Vibration, Harshness.
lanceh wrote: Thu Sep 28, 2017 3:45 pmabsolutely no popping/clunking from my kingpin compliance bearings, on track or off.

one additional benefit: i pulled the power steering years ago and it always felt heavier than other cars w/o PS. after installing the compliance bearings it lightened it up a noticable amount
That's great to hear and has always been my fear when looking at any suspension spherical bearing. I had sphericals in my front LCA's from Orijin Performance (long gone now) back in the day (2005) and they popped immediately after install so that had me tainted a bit. It sounds like quality has been greatly improved since then. My goal with the front compliance bearings is to keep the rear end planted during high speed braking (no wiggle) and I hear that they improve that aspect. I also don't like having the toe set to anything but zero for the sake of tire wear and top speed. As neutral as possible is the end goal.

Re: Suspension tuning - dampers, spring rates, etc.

Posted: Fri Sep 29, 2017 6:59 pm
by Xian
Yeah, popping and clunking is due to shitty bearings. If you haven't already, check out the recent SlipAngle podcast with Brinson from Kingpin. He talks a fair bit about bearing quality and his parts... WELL worth the listen.

Re: Suspension tuning - dampers, spring rates, etc.

Posted: Sun Oct 01, 2017 2:51 pm
by coolhandluke
white rocket wrote: Wed Sep 27, 2017 6:32 pm I went the Mugen bushing route 10 years ago when I redid my suspension. As mentioned, OEM quality using rubber, not poly, with a slight increase in stiffness. I would do it the same way again if I had to.

For those with Kingpin bearings, any long term usage feedback in terms of increased NVH? The compliance ones have me drooling but the popping/clunking associated with sphericals has me hesitant.
Zero issues with either of my sets. I will have to check my mileage but I would guess ~10k over the last ~4-5 years. I am reusing my 97's lower compliance set in the EG build.

Xian wrote: Fri Sep 29, 2017 6:59 pm Yeah, popping and clunking is due to shitty bearings. If you haven't already, check out the recent SlipAngle podcast with Brinson from Kingpin. He talks a fair bit about bearing quality and his parts... WELL worth the listen.
I had not, thank you for the share. Direct link for TL.

Re: Suspension tuning - dampers, spring rates, etc.

Posted: Mon Oct 02, 2017 8:26 am
by lanceh
coolhandluke wrote: Sun Oct 01, 2017 2:51 pm I had not, thank you for the share. Direct link for TL.
Thanks conleycakes
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