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05-07-2009, 01:17 AM
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#1 |
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Join Date: Sep 2004
Location: KNOXVILLE TN
Posts: 481
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Car lowered. Bent the exhaust switching valve? Any advise/
I had a track alignment and corner balance done on the GT3 a few weeks back. Had the car in for a track inspection. My tech discovered the "exhaust switching valve" on drivers side was bent and non functioning. $150 to replace. The bent one will cause uneven exhaust back pressure, by its failure to open.
I have noticed a back end scraping sound a couple of times going out or up drive ways. Is my car too low? Any recommendations? Here are some pics of the new one installed.
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FJPDDS 2009 Carrera S Cabriolet w/ PDK 2007 GT3 "Mistress" Past Loves: 2006 BOXSTER 2006 CAYMAN S 2004 BOXSTER SE 550 1976 911 S TARGA |
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05-07-2009, 01:19 AM
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#2 |
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The car does have the Sharkwerks Bypass.
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FJPDDS 2009 Carrera S Cabriolet w/ PDK 2007 GT3 "Mistress" Past Loves: 2006 BOXSTER 2006 CAYMAN S 2004 BOXSTER SE 550 1976 911 S TARGA |
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05-07-2009, 03:48 AM
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#3 |
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Rennlist Member Join Date: Nov 2001
Location: Toronto Ont. Canada
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How much did you lower it?
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Current: Red 997GT3; Previous p-cars: 96 993TT - RUF PSS9, 91 911 Turbo, 89 944 Turbo S My hillclimb racecar is for sale: www.fcracer.com/talon; Hillclimb video 1; Hillclimb video 2 |
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05-07-2009, 08:18 AM
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#4 |
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Somewhere around 2.5- to 3 inches
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FJPDDS 2009 Carrera S Cabriolet w/ PDK 2007 GT3 "Mistress" Past Loves: 2006 BOXSTER 2006 CAYMAN S 2004 BOXSTER SE 550 1976 911 S TARGA |
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05-07-2009, 10:55 AM
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#5 | ||
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Join Date: Apr 2002
Location: Los Angeles, CA
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Quote:
Quote:
 Do you really know??If the back was scraping??? What was the front spoiler end doing??? How much did they lower the car??? Why so much??? To gain camber?? there are shims for that. Car Too LOW!! Suggest that the car be brought back closer to stock ride height values for street useability, if that matters. Cass will spank you in a std. Carrera no matter Some figures: Stock ground clearance is 3.66 Stock Vehicle height values are: Front: 4.25 in measured from road surface to lower edge of hexagon head bolt on cross-member threaded connection to body. Rear: 5.23 in measured from road surface to locating bore in the rear-axle side section
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'10 
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05-07-2009, 12:52 PM
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#6 |
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Join Date: Apr 2002
Location: san francisco
Posts: 13,806
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you need a race shop that does porsche to lower the car.
you will have bump steer issues as well when too low.
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PCA National Certified Instructor HWFMR Team Director of "Unsanctioned" Track Events Rennlist Member #021125-3378 
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05-07-2009, 01:25 PM
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#7 |
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Join Date: Jan 2003
Location: California
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3" (75mm) impossible, there is not enough travel on the stock struts.
Don't go below 15mm from stock ride height unless you're re-indexing the bump steer and running different springs
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| Tags |
| 1976, boxster, bump, celica, lowerd, spacer, steer, toyota |
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