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12-11-2012, 02:22 PM
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CC Member
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Join Date: Apr 2012
Location: Epharta,
PA
Cobra Make, Engine: year 2000 SPF 351
Posts: 68
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Not Ranked
Shocks
I have an early year SPF with the AVO shocks is with stepping up to the billsteins that are on the newer SPF cars. Thank you for your input Livnn,
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12-11-2012, 03:13 PM
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CC Member
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Join Date: Oct 2010
Cobra Make, Engine: Superformance
Posts: 663
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Not Ranked
The Bilsteins will be an improvement. Actually, a solid steel rod would be an improvement over the AVOs. Save your coin and buy some single or dual adjustable QA1's and you will be amazed how improved your ride becomes. Getting the correct spring rate is also very critical. Some like 350# while others swear by 400#. All depends on how responsive you want the suspension to be.
With the rear shocks out, you should also upgrade to the seriously improved upper shock tower brackets sold at Cobra Valley. If you have never serviced the factory brackets or the bolts, you are dancing with the devil.
Cobra Valley's SUPERFORMANCE Rear Suspension Mount UPGRADE |
12-12-2012, 08:51 AM
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CC Member
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Join Date: Aug 2002
Location: New Alexandria,
PA
Cobra Make, Engine: Superformance 2076
Posts: 22
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Not Ranked
Mount upgrade holes never align. Weld old towers, upgrade to longer shank bolt, DONE
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12-12-2012, 09:47 AM
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CC Member
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Join Date: Aug 2007
Location: Carlsbad,
Ca
Cobra Make, Engine: SPF 2932 with 438 Lykins Motorsports engine. Previous owner of FFR 5452.
Posts: 2,616
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Not Ranked
I upgraded my SPF from the bilstein shocks to the single adjustable shocks from cobra valley. I ordered the 350 lb springs but found them too soft. Replaced with 450 lb springs. Just right.
The stock bilsteins are OK. But a bit on the soft side with stock springs. If you are set on the bilsteins, then get heavier springs to smooth out the ride.
__________________
Jim
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12-12-2012, 12:43 PM
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CC Member
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Join Date: Mar 2008
Cobra Make, Engine: Superformance 428 FE
Posts: 72
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Not Ranked
I upgraded my mount, shocks and springs from Cobra Valley, the best upgrade yet. My mounts lined up perfect. Access for one of the bolts on the drivers side required cutting a bit of the fiberglass but no big deal. I agree with ACdamic that the mount absolutely should be upgraded. You can gusset and reinforce the original but easier is to just buy the uprated mount. Rick
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12-14-2012, 12:13 PM
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CC Member
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Join Date: Aug 2009
Cobra Make, Engine: SPF 427cu (351W)
Posts: 30
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Not Ranked
I went for a set of Wilbers.
These are available specific for the SPF. Expensive, but very good. One of the first things experienced Cobra-drivers notice when they drive with me as a passenger are the shocks. They all like them a lot.
Worth checking out.
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12-14-2012, 11:00 PM
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CC Member
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Join Date: May 2011
Location: Hillsboro,
OR
Cobra Make, Engine: Superformance Cobra Chassis #408, 427FE, TKO600
Posts: 94
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Not Ranked
+1 for the Cobra Valley/QA1s. And a big +1 on the upper shock mount upgrade.
Best upgrade I did...the AVOs are junk, and DANGEROUS. All 4 of mine had split bushings, two of them were so bad it was metal-to-metal contact on the LCA.
Upgrade now, and never worry about it again.
Dan Martin
#408
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12-15-2012, 07:49 AM
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CC Member
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Join Date: Dec 2004
Location: Kansas City,
KS
Cobra Make, Engine: jbl
Posts: 2,291
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Not Ranked
i would suggest double adjustable if you can do it.
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12-15-2012, 11:59 PM
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CC Member
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Join Date: May 2002
Location: Ashburton, New Zealand,
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Cobra Make, Engine: UK Ram SC. KC-Yates 373, Jerico 5 speed.
Posts: 1,240
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Not Ranked
Shocks
Quote:
Originally Posted by jhv48
I upgraded my SPF from the bilstein shocks to the single adjustable shocks from cobra valley. I ordered the 350 lb springs but found them too soft. Replaced with 450 lb springs. Just right.
The stock bilsteins are OK. But a bit on the soft side with stock springs. If you are set on the bilsteins, then get heavier springs to smooth out the ride.
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Are the stock Bilsteins non adjustable?
The Bilsteins I have each time you change springs the shop will adjust the valving to suit.
__________________
A J. Newton
The 1960's rocked!
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12-16-2012, 12:54 AM
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CC Member
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Join Date: Aug 2002
Location: Richmond,
VA
Cobra Make, Engine: Superformance Mk III / Windsor platform
Posts: 450
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Not Ranked
Olthoff Racing has custom valved/sprung Bilsteins set up specifically for Superformance MkIIIs. Far superior to the original Avos or stock Bilsteins.
Cobra Parts - Olthoff Racing |
12-19-2012, 02:00 PM
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CC Member
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Join Date: Apr 2012
Location: Epharta,
PA
Cobra Make, Engine: year 2000 SPF 351
Posts: 68
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Not Ranked
Thank you for all the help, I went with the Bilsteins I plan on changing out the springs. Livnn
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