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drag racing the short bus
Join Date: May 2002
Location: Location, Location...
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Rear shock question
Am I correct to think an alignment, ride height adjustment and corner balance aren't required when R&R-ing the 911's rear shocks?
Thanks
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The Terror of Tiny Town |
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12-20-2007, 04:25 PM
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Location: South NJ
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Correct on all fronts.
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Todd Doing business with leebparts? http://forums.pelicanparts.com/porsche-911-used-parts-sale-wanted/555068-attn-leebparts-please-contact-me.html |
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12-20-2007, 04:34 PM
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Location: Portland Oregon
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Unless,......................unless one is installing Bilstein shocks instead of Boge or Koni's.
These high-pressure gas shocks will raise the ride height anywhere from 1/4" to 3/8" and that requires a re-alignment. 
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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12-20-2007, 04:45 PM
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drag racing the short bus
Join Date: May 2002
Location: Location, Location...
Posts: 21,983
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Quote:
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The Terror of Tiny Town |
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12-20-2007, 04:50 PM
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Ahhh,...thats a horse of a different color (and breed),... Raise 'er up and do the Trans-Siberia Rally,....
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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12-20-2007, 05:18 PM
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I can atest to the height increase when I install the Bilstein HD's as replacements to the Boges. My car was ready for the Paris-Dakar Rally. The American road height was bad enough, but when I installed the Bilsteins, it was up up and away. Presently my car is in the process of being lowered, corner balanced and aligned, as well as receiving new torsion bars, poly-graphite bushings and turbo tie rods. Can't wait til its done.
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Scott ___________________________ 1985 Carrera Targa - Guards Red 2006 Acura TSX Navigation - Milano Red |
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12-20-2007, 05:26 PM
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drag racing the short bus
Join Date: May 2002
Location: Location, Location...
Posts: 21,983
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Quote:
Quote:
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The Terror of Tiny Town |
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12-20-2007, 05:28 PM
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If you measure the height before you do the swap and then adjust the spring plates to get the same height after ward the rest of your alignment will be fine. You must make sure to move both sides the same amount for this to work.
-Andy
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72 Carrera RS replica, Spec 911 racer |
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12-20-2007, 08:23 PM
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Going from my old, dead (presumably) factory shocks to Koni yellows I gained a good inch of height in the rear.
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83 911SC Targa Everything I say is my personal opinion, and has nothing to do with my team. |
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12-20-2007, 08:24 PM
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Quote:
If your shock replacement results with an "as before" ride height, then yes, you probably do not need an alignment or corner balance..... 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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12-20-2007, 09:45 PM
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Again, you can "jack" wieght into the car even with a similar ride height. Though not normally from just playing with one end of the car. But I have done it with screwing with both ends...... 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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12-20-2007, 09:46 PM
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