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 DC5 Suspenion - Want To Learn More... [Archived]
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c.dub




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913 posts [100%]
Winnipeg MB
7-20-2003
  DC5 Suspenion - Want To Learn More...« » Reply  Edit


Before I start, I want to say I am used to the handling of a CRX. I recently got a much better job and I am thinking of buying a newer car. I have always liked the style of the RSX, and a K20 just gets me giddy However, I have heard that the DC5 suspension setup is the least favored feature from owners and H/A fans.

Now, I have searched and read the FAQ in regards to suspension mods, since this would be the first thing I would want to change.

From what I have read, this is what I have come to understand:

1. MacPherson up front, Dual Wishbone in the back.
2. Lowering too much greatly decreases ride and handling quality.
3. When changing the suspension, having a quality true coilover system is best (kind of goes without saying).
4. Getting a proper alignment done after changing the suspension is mandatory.

Now, some things I would like to understand better:

1. Why is the DC5 suspension design supposedly unfavorable?
2. How does the DC5 handle compared to a DC2 with the same or similar setup?
3. In '05 the suspension got an upgrade, can you install an aftermarket setup for an '05-'06 in an '02-'04 and achieve an even better setup?
4. Overall how does a DC5 handle when compared to Honda's traditional Dual Wishbone setups?


If I did purchase an RSX it would be a TypeS, and between '02-'04. It would be my spirited daily driver, and weekend warrior. Of course I would want it to be fast, and have a nice appearance, but above all else I always want my cars to have exceptional handling.

Thanks to anyone who posts thorough and intelligent replies.



.EF Squad Member #6
...Used To Save The SOHC, Now I Rock The DOHC.

Quote, originally posted by oben37 »
i heard theres a jdm junk yard but where is it?

WTB: ANY EF8 PARTS YOU HAVE!!! PM ME!!!



c.dub




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913 posts [100%]
Winnipeg MB
7-20-2003
 « Re: DC5 Suspenion - Want To Learn More... (.:c..dub:.)« » Reply  Edit


15 views and nothing so far...


Bump!



.EF Squad Member #6
...Used To Save The SOHC, Now I Rock The DOHC.

Quote, originally posted by oben37 »
i heard theres a jdm junk yard but where is it?

WTB: ANY EF8 PARTS YOU HAVE!!! PM ME!!!


c.dub




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913 posts [100%]
Winnipeg MB
7-20-2003
 « Re: DC5 Suspenion - Want To Learn More... (.:c..dub:.)« » Reply  Edit


Daily bump...



.EF Squad Member #6
...Used To Save The SOHC, Now I Rock The DOHC.

Quote, originally posted by oben37 »
i heard theres a jdm junk yard but where is it?

WTB: ANY EF8 PARTS YOU HAVE!!! PM ME!!!


Chris.
Four.Function



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12268 posts [98%]
Call Waiting PA
12-10-2003
 « Re: DC5 Suspenion - Want To Learn More... (.:c..dub:.)« » Reply  Edit


from what i have been told, the mcphearson's suspension setup was a way that honda could cut cost, since its a 'cheaper' design. also, the suspension does not have much shock travel. the RSX also has alot more understeer than the older model hondas, but you can slightly fix this with a larger rear swaybar. if you ever look at the realtime racing rsx's they have a completely redesigned suspension for better handling. see http://www.realtimerl.com/content/acura-rsx for their setup.



www.jdmspeedworx.com

EJ8--EM1--DC5--AP1

Quote, originally posted by Basskika »
For me its not about the superiority of the car, its what you can turn the car into.


Todd00
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9671 posts [101%]
OH
1-26-2000


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 « Re: DC5 Suspenion - Want To Learn More... (.:c..dub:.)« » Reply  Edit


Quote, originally posted by .:c..dub:. »
Daily bump...

No bumping allowed.

Give people time, not a lot of folks know a lot about the suspension on the DC5.

I know I have personally posted, more times that I wish to count, the things wrong with the DC5 setup and ways to correct them.

I wanted to see where this thread went before I chimed in. I'm not bragging, but I probably have the most experience with the DC5 setup on this forum right now. I've see the HART solution to the problems and I've talked extensively with the folks at Koni. I've also owned 3 cars based on this platform and worked with every one of them.

I was hoping to fill in the holes where others have posted rather than do the entire writeup myself.


Chris.
Four.Function



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12268 posts [98%]
Call Waiting PA
12-10-2003
 « Re: DC5 Suspenion - Want To Learn More... (Todd00)« » Reply  Edit


Quote, originally posted by Todd00 »
I wanted to see where this thread went before I chimed in. I'm not bragging, but I probably have the most experience with the DC5 setup on this forum right now. I've see the HART solution to the problems and I've talked extensively with the folks at Koni. I've also owned 3 cars based on this platform and worked with every one of them.

what would you suggest as far as spring rating? i just bought a set of buddy club n+ dampers and im debating whether or not to upgrade the rear spring rates.



www.jdmspeedworx.com

EJ8--EM1--DC5--AP1

Quote, originally posted by Basskika »
For me its not about the superiority of the car, its what you can turn the car into.


Todd00
OG

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9671 posts [101%]
OH
1-26-2000


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 « Re: DC5 Suspenion - Want To Learn More... (4F CHR!S)« » Reply  Edit


Quote, originally posted by 4F CHR!S »

what would you suggest as far as spring rating? i just bought a set of buddy club n+ dampers and im debating whether or not to upgrade the rear spring rates.

What are you doing with the car? But a good general baseline is that your rear rates should be at least double those of the front if you want a car that will somewhat rotate.


Chris.
Four.Function



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12268 posts [98%]
Call Waiting PA
12-10-2003
 « Re: DC5 Suspenion - Want To Learn More... (Todd00)« » Reply  Edit


Quote, originally posted by Todd00 »

What are you doing with the car? But a good general baseline is that your rear rates should be at least double those of the front if you want a car that will somewhat rotate.

daily driver 80% of the time and hpde events/spirited runs 20% of the time. i was thinking about those t1r coilovers with the 10k front 12k rear rates with the progress 25mm rear swaybar and not running any front swaybar as well... (i didnt run a front swaybar with my si)



www.jdmspeedworx.com

EJ8--EM1--DC5--AP1

Quote, originally posted by Basskika »
For me its not about the superiority of the car, its what you can turn the car into.


c.dub




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913 posts [100%]
Winnipeg MB
7-20-2003
 « Re: DC5 Suspenion - Want To Learn More... (4F CHR!S)« » Reply  Edit


I appreciate the replies guys. Sorry about bumping, but we all know how fast threads drop on HT We're just that popular.

Anyways, I'll just keep checking back for more info when I can.

Again any info posted is appreciated. Maybe if this thread goes well and a lot of info gets added, maybe it could be stickied? We will have to wait and see.

Cheers all.



.EF Squad Member #6
...Used To Save The SOHC, Now I Rock The DOHC.

Quote, originally posted by oben37 »
i heard theres a jdm junk yard but where is it?

WTB: ANY EF8 PARTS YOU HAVE!!! PM ME!!!


c.dub




Offline

913 posts [100%]
Winnipeg MB
7-20-2003
 « Re: DC5 Suspenion - Want To Learn More... (.:c..dub:.)« » Reply  Edit


This my last attempt at getting some info on the subject. If I don't get any replies, I will just assume that the DC5 handles like crap.



.EF Squad Member #6
...Used To Save The SOHC, Now I Rock The DOHC.

Quote, originally posted by oben37 »
i heard theres a jdm junk yard but where is it?

WTB: ANY EF8 PARTS YOU HAVE!!! PM ME!!!


Todd00
OG

Offline

9671 posts [101%]
OH
1-26-2000


My Gallery
 « Re: DC5 Suspenion - Want To Learn More... (.:c..dub:.)« » Reply  Edit


Quote, originally posted by .:c..dub:. »
This my last attempt at getting some info on the subject. If I don't get any replies, I will just assume that the DC5 handles like crap.

For the most part, that's correct.

Too low = poor roll center, no suspension travel, ill tie-rod angles and shock binding in the rear.

Motion ratio = ~ 1:1 front, .5:1 rear. Hence, you need double the rate out back to keep a neutral car. About 4x in the rear if you want very good rotation.

Also, DC5 doesn't have much caster. You can get a lot of camber in the front, which somewhat makes up for it.

Positives of the DC5 are a solid chassis and the ability to fit a large wheel/tire package on it. Plus, the K-series motor.

You can tune the suspension somewhat and fix some of the problems, but overall it will never be as good as the old DC2 setup.


SumKrazeeDoode




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172 posts [100%]
Burnsville MN
7-21-2004
 « « » Reply  Edit


I dont know alot about suspension. Why is the mcpherson worse than the double wishbone?




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