05-12-2007, 01:02 PM
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#1
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Registered User
Join Date: Nov 2006
Location: Bastrop, TX
Posts: 705
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The spacers are H&R 7MM with hubcentric design. The wheel bolts are a bit longer to accomadate the added length.
The original rims would do the same thing, vibrate then go away, rebalance and then vibrate again.
I never hit anything more than a small pothole on the road with the original rims.
Could it be the tires? I have new PS2, but I bought them off of ebay, so they might be factory seconds? Do they make factory seconds of high performance tires?
The traction bar seems tight. I cant understand how something can come and go. The only constant is that after driving for a bit the vibration disipates, but the first 2 miles vibrate badly.
James
__________________
2002 S
Pedro rear stabilizer bar, CF strut braces, Maxspeed headers with 100 cell cats, Fabspeed cat bypass pipes, H&R springs with M030 setup, TRG rear links, EVO air intake, B&M Short shift kit, Raby IMS upgrade, Raby underdrive pulley
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05-12-2007, 01:06 PM
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#2
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Registered User
Join Date: Sep 2005
Location: Sacramento
Posts: 3,417
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When is the last time you had the car properly aligned and the wheels balanced on a Hunter machine?
__________________
-99' Zenith Blue 5-spd...didn't agree with a center divider on the freeway
-01' S Orient Red Metallic 6-spd...money pit...sold to buy a house 
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05-12-2007, 01:21 PM
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#3
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Registered User
Join Date: Nov 2006
Location: Bastrop, TX
Posts: 705
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Hunter machine?
I am lucky to find a shop to start with, then find one the will mess with a car that has spacers, then one that will touch a porsche.
I am closer to Austin than Houston. I would expect that one of these town would have a Hunter machine.
Does anyone in the Austin, Texas area know where there is a hunter machine?
James
__________________
2002 S
Pedro rear stabilizer bar, CF strut braces, Maxspeed headers with 100 cell cats, Fabspeed cat bypass pipes, H&R springs with M030 setup, TRG rear links, EVO air intake, B&M Short shift kit, Raby IMS upgrade, Raby underdrive pulley
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05-12-2007, 01:41 PM
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#4
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Registered User
Join Date: Sep 2005
Location: Sacramento
Posts: 3,417
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Tada! Here is the link to find a shop that uses the Hunter GSP9700 machine near you,
http://www.gsp9700.com/pub/search/findgsp9700.cfm
__________________
-99' Zenith Blue 5-spd...didn't agree with a center divider on the freeway
-01' S Orient Red Metallic 6-spd...money pit...sold to buy a house
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05-12-2007, 01:48 PM
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#5
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Registered User
Join Date: Jul 2004
Location: Houston, Texas
Posts: 7,243
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James, it would seem that you can eliminate the spacers and the rims as well as the tires if this problem has persisted through new rubber and rims.
You need to locate a good Porsche speed shop and bring it into them for diagnosis. Austin does have them... start looking.
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05-12-2007, 04:25 PM
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#6
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Registered User
Join Date: May 2006
Location: Annapolis Maryland
Posts: 1,528
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Quote:
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Originally Posted by jhandy
I cant understand how something can come and go. The only constant is that after driving for a bit the vibration disipates, but the first 2 miles vibrate badly.
James
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James,
Is the only time you feel the vibration the first couple of miles? Does it occur at any other time? If not, it might just be flat-spotting, which works itself out as you drive.
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05-12-2007, 06:40 PM
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#7
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Registered User
Join Date: Nov 2006
Location: Bastrop, TX
Posts: 705
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it is usally the first few miles after parking. that is why i thought cold tires maybe.
I just dont want to spend $$ chasing gremlens.
__________________
2002 S
Pedro rear stabilizer bar, CF strut braces, Maxspeed headers with 100 cell cats, Fabspeed cat bypass pipes, H&R springs with M030 setup, TRG rear links, EVO air intake, B&M Short shift kit, Raby IMS upgrade, Raby underdrive pulley
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05-12-2007, 07:26 PM
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#8
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Registered User
Join Date: Nov 2003
Location: Illinois
Posts: 3,033
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I agree with grizz, if it only occurs during the first few miles of driving sounds like flat spotted tires.
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05-12-2007, 10:17 PM
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#9
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Registered User
Join Date: Sep 2005
Location: Minneapolis/St. Paul, Minnesota, USA
Posts: 3,308
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Hi,
Not at all - unless you're parking the car for two weeks at a time - whatever the Bears may say, it's usually Bull. You need you have the Wheels/Tires dynamically balanced.
This means a Hunter 97XX Machine. Shop 'til you find one... Hope this helps...
Happy Motoring... Jim '99
Last edited by MNBoxster; 05-12-2007 at 10:49 PM.
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05-13-2007, 02:45 PM
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#10
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Registered User
Join Date: May 2006
Location: Annapolis Maryland
Posts: 1,528
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Quote:
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Originally Posted by MNBoxster
Hi,
- whatever the Bears may say, it's usually Bull.
Happy Motoring... Jim '99
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I do believe that was unprovoked and unnecessary, Dick... I mean Jim. Perhaps I should start whining to the moderators.
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05-13-2007, 05:44 PM
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#11
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Registered User
Join Date: Nov 2006
Location: Bastrop, TX
Posts: 705
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I found a place with the fabled Hunter machine close by. I will take the car there monday and have my car dynamically balanced.
My problem is that when they cant seem to balance my tires, they say a rim is bent and my car has not seen any off road or accidents.
It seems to be a way out for them to say the rim is bent - sorry. To be honest, I have had my tires balanced 10+ times in the 30,000 mile history. They work fine for a month and then vibrate again.
Maybe the stick on wheel weights fall off. I dont know, but I will let you guys know what the Hunter guys say.
James
__________________
2002 S
Pedro rear stabilizer bar, CF strut braces, Maxspeed headers with 100 cell cats, Fabspeed cat bypass pipes, H&R springs with M030 setup, TRG rear links, EVO air intake, B&M Short shift kit, Raby IMS upgrade, Raby underdrive pulley
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