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STR Prep - Suspension and Alignment

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Old 01-31-2012, 05:41 PM
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Originally Posted by 762
car being "bouncy" seems more like rebound to me then compression.
Thanks. I completely agree, and figure I will need a lot more rebound (guessing 10/15 or so), but am interested in getting a base compression point of reference before screwing too much with the rebound. At least Koni recommends getting the compression set, saying it is critical, before adjusting the rebound.
Old 01-31-2012, 05:43 PM
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Originally Posted by nlink720
Would anyone be so kind as to share their compression and rebound settings for the newer Moton Clubsports that have 15 rebound / 11 compression?

I am new to DA shocks, and with 850/700 springs the car is bouncy with compression at 4/11 (11 being stiffest) and rebound at anything less than 6/15.

I understand rebound well, and expect that I will need a lot to control the high spring rates, but compression tuning is new to me and I am looking to know what people use since I cannot follow the only guidelines I found (by Koni for their DA's) until I get a chance to find a test and tune. And since compression is seemingly supposed to be set first, I am in the woods still with rebound, which is to be set subsequent to compression.


Thanks for assistance with te relatively novice question. (especially compared to the recent discussion)
I wouldn't think you would need 4 clicks of compression with 850lb springs in front, but I don't have Motons. It does sound like you just need more rebound (in combination with less compression perhaps).
Old 01-31-2012, 05:46 PM
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Link to konis "how to tune shocks" page?

To be 65% critical on my car I'm in the 11-12/14 range on the front and 9-10/14 range on the rear on rebound. This is on my JRZ triples. Granted we have different shocks but I would guess you need to be in the upper range of your adjustment 9+/15. This is just a guess though.
Old 01-31-2012, 05:59 PM
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Originally Posted by josh7owens
Link to konis "how to tune shocks" page?

To be 65% critical on my car I'm in the 11-12/14 range on the front and 9-10/14 range on the rear on rebound. This is on my JRZ triples. Granted we have different shocks but I would guess you need to be in the upper range of your adjustment 9+/15. This is just a guess though.
Koni itself --> My link

Synopses of the Koni link My link or My link (they are the same)
Old 01-31-2012, 06:06 PM
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Originally Posted by nlink720
Robert,

SPC ball joints measure 96 mm
OEM (CR) ball joints measure 75 mm.

This is from the end of thread to the top of the head. Both seem to use approximately the same amount of thread, so I think 24mm is a good approximation of the actual height difference.
Excellent! so the SPC ball joint is illegal for STR? It changes geometry of the front suspension past camber affecting roll center of upper A-Arm
Old 01-31-2012, 06:12 PM
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Originally Posted by 762
car being "bouncy" seems more like rebound to me then compression.
More compression keeps energy out of the spring, so less rebound may be required compared to when there is less compression. It's a balancing act.

If compression gets too high the tire can be overloaded and break loose. Compression is usually how I adapt to different surfaces, Lincoln and BDI Airports gets more compression than our local Marana Airport pavement. When it rains the compression goes down some.

In general adjust compression until the tires start loosing grip (gets over loaded) and then back off a bit. Then adjust rebound to control the energy that a particular compression setting allows to get into the spring.
Old 01-31-2012, 06:18 PM
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Thanks Rob. Higher compression keeping energy out of the spring makes it perfectly clear. Appreciate that.
Old 01-31-2012, 06:28 PM
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I read something a while ago which seemed to be a general shock tuning guide which i went off of. It basically said to run as high of compression as the surface allows and as low of rebound as the surface allows. On my Motons I have from compression I think around 10 with 750 springs and the rear at 5 with 650 springs. Rebound I think I have at 3 all round. Not sure what other people have found but it seems to work for me.
Old 01-31-2012, 07:31 PM
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Yes Robert, I would consider the spc balljoint illegal in STR based on the information given on their heights and change in geometry.

EDIT: And the verdict so far is LEGAL
Old 01-31-2012, 07:52 PM
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Originally Posted by oinojo
Yes Robert, I would consider the spc balljoint illegal in STR based on the information given on their heights and change in geometry.




This makes me laugh... Good thing I have the j's camber joints.


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