Suspension & Brakes Theory, alignment, spring rates....

Best ALL AROUND spring rate? GC coilovers...

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Old Aug 24, 2006 | 06:02 PM
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From: sac916, dyess afb, tx, usa
Default Best ALL AROUND spring rate? GC coilovers...

Im planning to order a set of GC coilovers with a custom spring rate. car is a 94 civic coupe, and is going to have a gsr turbo setup pushin 350whp. This car is going to bne my "weekend car", some drag, some auto x & canyon runs. What would be a good all around spring raet?

I was thinking 350F , 450R
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Old Aug 24, 2006 | 08:06 PM
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Default Re: Best ALL AROUND spring rate? GC coilovers... (vg7z)

350 is waaay too soft for me at least. Next time I'll go with 400-450 F and the same for the rear.
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Old Aug 27, 2006 | 06:09 PM
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anyonme else?
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Old Aug 27, 2006 | 06:41 PM
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i'm at 400F and 375R, i want to go a bit higher, maybe something like 450F and 475-500R.

it rides fine, but i feel the front is too soft and bottoming out on the most severe bumps. I'm not that low either. 5-3/8" measured at the front jack points, and 5-1/2" measured at the rear jack points.

but overall, i think 400/400 is a great starting point. the off the shelf rates are 380F and 280R, great for daily but to pushy (understeer) for track or autox.
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Old Aug 27, 2006 | 07:23 PM
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Default Re: (chrisw85)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by chrisw85 &raquo;</TD></TR><TR><TD CLASS="quote">
but overall, i think 400/400 is a great starting point. the off the shelf rates are 380F and 280R, great for daily but to pushy (understeer) for track or autox.</TD></TR></TABLE>

One of the main reasons I'm going stiffer next time
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Old Aug 28, 2006 | 12:39 PM
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hows 400/400 gonna do at the dragstruip? i herard somethign about having it a little stiffer in the rear to help with traction
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Old Aug 28, 2006 | 12:55 PM
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Default Re: (chrisw85)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by chrisw85 &raquo;</TD></TR><TR><TD CLASS="quote">i'm at 400F and 375R, i want to go a bit higher, maybe something like 450F and 475-500R.

it rides fine, but i feel the front is too soft and bottoming out on the most severe bumps. I'm not that low either. 5-3/8" measured at the front jack points, and 5-1/2" measured at the rear jack points.

but overall, i think 400/400 is a great starting point. the off the shelf rates are 380F and 280R, great for daily but to pushy (understeer) for track or autox.</TD></TR></TABLE>

I also started with 400/400 on Konis for my 00 gsr. Feels great on the street, but way too soft for autox and HPDEs. I also suffered from bottoming on the street.
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Old Aug 28, 2006 | 01:41 PM
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Default Re: (TunerN00b)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TunerN00b &raquo;</TD></TR><TR><TD CLASS="quote">I also started with 400/400 on Konis for my 00 gsr. Feels great on the street, but way too soft for autox and HPDEs. I also suffered from bottoming on the street.</TD></TR></TABLE>

what shocks? if you have adjustable shocks like konis or AGX you can make them stiffer, i ride 350/400 and i never bottom out. unless you have some insane potholes.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by vg7z &raquo;</TD></TR><TR><TD CLASS="quote">hows 400/400 gonna do at the dragstruip? i herard somethign about having it a little stiffer in the rear to help with traction</TD></TR></TABLE>

for a FWD car you would want the rear to be as stiff as possible to keep the weight shift to a minimum becuase once you launch the weight shifts from the front to the back, meaning away from the drive wheels.
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Old Aug 28, 2006 | 02:35 PM
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Default Re: (super_nguyen)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by super_nguyen &raquo;</TD></TR><TR><TD CLASS="quote">what shocks? if you have adjustable shocks like konis or AGX you can make them stiffer, i ride 350/400 and i never bottom out. unless you have some insane potholes.

for a FWD car you would want the rear to be as stiff as possible to keep the weight shift to a minimum becuase once you launch the weight shifts from the front to the back, meaning away from the drive wheels.</TD></TR></TABLE>

Um, Konis adjust the rebound only, not the bump. So turning them up won't change how much the suspension moves under compression, just how fast it returns back afterwards. I never really had any issues bottoming with the stock UCAs in there (well, just once on a stupidly huge pothole), but with camber adjusters in there, they hit alot more often.

And its LA, I do have some insane potholes.
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Old Aug 29, 2006 | 10:26 AM
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if i was to get a 350F 500R, how would it handle? would it oversteer/understeer more?
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Old Aug 29, 2006 | 05:42 PM
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Default Re: (vg7z)

I run 350f / 450r with koni, and it feels great on the street.

I do run Suspension Techniques front and rear sways though.

platinum.
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Old Aug 29, 2006 | 08:28 PM
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Default Re: (platinum00)

380 front 430 rear it handles pretty good with a very slight push.
22mm front bar 23mm rear

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