03-17-2016, 07:16 AM
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#1
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Registered User
Join Date: Mar 2015
Location: Santa Clara ca
Posts: 363
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Spec racers question,... plastics...
So do you guys run the wheel well liners?
How about the undrertrays?
yes or no, issues to be addressed if removing them?
I.e. any critical areas to be protected, or waterproofed...?
Yes driving this car on the street, and mostly will not see rain...
(probably, since it has no top now.lo.)
thanks, matt
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03-17-2016, 10:59 AM
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#2
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inveniam viam aut faciam
Join Date: Mar 2014
Location: Arvada, CO
Posts: 441
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The spec racers that I have seen leave those parts in. Any weight saving is negligible, those parts do serve a purpose for aerodynamics (very important) and keeping debris out of places it shouldn't be.
Is there a reason that you want to remove the parts?
__________________
'03 S, manual, 18" Carrera wheels, PSM, PSE, Litronic, 996 Cluster, +
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03-17-2016, 01:29 PM
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#3
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Registered User
Join Date: Mar 2015
Location: Santa Clara ca
Posts: 363
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just curious, and chasing rattles...
and my car isn't doing more than 80-90mph, so areo is negligible that slow anyway.
Just a question really.
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03-17-2016, 03:36 PM
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#4
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Registered User
Join Date: Sep 2014
Posts: 116
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Yes we (mostly) keep them. The bottom ones mainly to protect the crazy fragile power steering lines in case of an off, and provide a nice smooth aerodynamic bottom to the car. The wheel liners protect the radiators from damage. we usually cut holes in them and protect with mesh to provide better air flow through the radiator and to the brakes.
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03-17-2016, 04:30 PM
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#5
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Registered User
Join Date: Mar 2015
Location: Santa Clara ca
Posts: 363
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I've got no PS lines or AC lines to worry about...
I like the ducting idea, any pictures?
thx. m
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04-09-2016, 02:40 AM
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#6
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Registered User
Join Date: Jul 2013
Location: Bastrop, Tx
Posts: 2,644
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I wish I could do this to mine but I'm keeping my A/C. It vents to the brakes
__________________
Woody
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03-17-2016, 04:47 PM
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#7
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Registered User
Join Date: Dec 2012
Location: FL
Posts: 4,144
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There are a couple of good threads, J.fro/rennzenn has some good pictures, I'll try to find it.
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03-17-2016, 04:48 PM
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#8
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Registered User
Join Date: Dec 2012
Location: FL
Posts: 4,144
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In this thread I think: 986 aero & cooling mods
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03-17-2016, 06:48 PM
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#9
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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As others have said, the under tray and wheel liners are usually left on the car but there are probably no ill effects from removing them except for the potential for rock damage.
I have seen the vents in the front of the wheel liners but I am not sure how well they really work in getting additional air to the brakes without any directional ducting.
If you really want to cool the brakes more, install the GT-3, GT-2, or 981 brake ducts or fabricate customer units which pull cool air from under the car and direct straight towards the brakes (rather than just generally into the wheel well).
__________________
1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
Last edited by thstone; 03-17-2016 at 06:51 PM.
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