Comptech sway bar question
06-30-2001, 11:55 PM
#1
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Comptech sway bar question
The description of the Comptech sways in Autocarparts.com says:
1 1/16 tubular front
7/8 solid rears
Are they really hollow?
Anybody know the dimensions of the Eibach sways?
Thanks.
1 1/16 tubular front
7/8 solid rears
Are they really hollow?
Anybody know the dimensions of the Eibach sways?
Thanks.
07-01-2001, 09:38 PM
#2
Suzuka Master
Originally posted by Beach-CL:
<STRONG>The description of the Comptech sways in Autocarparts.com says:
1 1/16 tubular front
7/8 solid rears
Are they really hollow?
Thanks.</STRONG>
<STRONG>The description of the Comptech sways in Autocarparts.com says:
1 1/16 tubular front
7/8 solid rears
Are they really hollow?
Thanks.</STRONG>
Yes, the front bar is hollow. It has the same O.D. as the stock bar, but the wall thickness is greater (I hope I remember, since I did a bunch of calcs)...
Stock 0.107 wall thickness, 27.2mm OD
Comptech 0.177 wall thickness, 27.2mm OD
Increase in front bar rate approx 13-20% (calc city).
Rear Stock CLS bar -> 19MM OD (solid)
Rear Comptech CLS bar -> 22MM OD (solid)
Increase in rear bar rate approx 80%
Note, if the bars are solid, the calc to figure out how much more stiffness you are getting is easy:
(new_OD^4)/(old_OD^4) = change in stiffness I used (22^4) / (19^4) for the rear -- OK
07-02-2001, 03:05 PM
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Thanks EricCL!
This helps. Now I am waiting for info. on Neuspeed and Eibach
This helps. Now I am waiting for info. on Neuspeed and Eibach
Originally posted by EricL:
<STRONG>
Yes, the front bar is hollow. It has the same O.D. as the stock bar, but the wall thickness is greater (I hope I remember, since I did a bunch of calcs)...
Stock 0.107 wall thickness, 27.2mm OD
Comptech 0.177 wall thickness, 27.2mm OD
Increase in front bar rate approx 13-20% (calc city).
Rear Stock CLS bar -> 19MM OD (solid)
Rear Comptech CLS bar -> 22MM OD (solid)
Increase in rear bar rate approx 80%
Note, if the bars are solid, the calc to figure out how much more stiffness you are getting is easy:
(new_OD^4)/(old_OD^4) = change in stiffness I used (22^4) / (19^4) for the rear -- OK</STRONG>
<STRONG>
Yes, the front bar is hollow. It has the same O.D. as the stock bar, but the wall thickness is greater (I hope I remember, since I did a bunch of calcs)...
Stock 0.107 wall thickness, 27.2mm OD
Comptech 0.177 wall thickness, 27.2mm OD
Increase in front bar rate approx 13-20% (calc city).
Rear Stock CLS bar -> 19MM OD (solid)
Rear Comptech CLS bar -> 22MM OD (solid)
Increase in rear bar rate approx 80%
Note, if the bars are solid, the calc to figure out how much more stiffness you are getting is easy:
(new_OD^4)/(old_OD^4) = change in stiffness I used (22^4) / (19^4) for the rear -- OK
</STRONG>
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