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Registered
Join Date: Dec 2002
Location: Seattle
Posts: 661
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Coilover kits for rear of 911 or 930
I'm looking for a relatively inexpensive way to add 200 lb/in coilover helper springs to the rear of my 78 930. I currently have 31 mm torsion bars in place, and I intend to leave them there for now. But with the torque I have, I will need more spring to keep the rear from squatting. The largest available torsion bar is 33 mm, and which probably won't be enough. I don't have any structural reinforcement (yet) at the rear shock towers, so I'm hesitant to go with full coilovers and a better damper until I tie it all together with a cage. Hence, this is an interim solution.
I see that Rebel Racing makes a coilover kit that allows use of a standard dampers (like my Bilstein Sports). Their kit has a threaded sleeve that goes over the damper and bears on a large snap ring that is installed in a groove that gets cut in the body of the damper. Does anyone have any feedback on these parts from Rebel racing, or the concept of adding coil springs to standard dampers? Are there any other suppliers of coilover conversion kits worth considering? Rebel Racing Products Rob |
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12-13-2006, 02:10 PM
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Registered
Join Date: Dec 2002
Location: Seattle
Posts: 661
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Duh!
I look two lines down after posting this, and someone beat me to it in another thread. I didn't see it before posting mine If you have any specific responses to my post, feel free to respond. Meanwhile, I'll go read the other thread and join it... The other coilover thread |
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12-13-2006, 02:14 PM
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Registered
Join Date: Jan 2003
Location: Langley,B.C.
Posts: 12,000
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The Rebel kit looks like the cheapest solution. I have used TRG inverted units, Bilstied RSR and now use FOX inverted, all more pricey. The rebel setup looks like a good choice. Craig911's 930 had helper coils installed by the previous owner (along with TB's), maybe contact him to see what set up he is using.
Cheers
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Turn3 Autosport- Full Service and Race Prep www.turn3autosport.com 997 S 4.0, Cayman S 3.8, Cayenne Turbo, Macan Turbo, 69 911, Mini R53 JCW , RADICAL SR3 |
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12-13-2006, 02:43 PM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,209
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Not sure about adding spring rate to a shock body not designed to handle that load.....
Seems like a decent solution, but an unusual one that I don't know a thing about. Here is mine, virtually no squat:  
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- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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12-13-2006, 04:23 PM
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