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Old 05-14-2004, 06:51 PM   #1
Geek Guy
Scooby Specialist
Member#: 8151
Join Date: Jul 2001
Chapter/Region: South East
Location: Rally Tools LLC
2002 WRX Rally Car
Atlantic Rally Cup Champ!


3/8" aluminum if you go that route (minumum).

The big boys of rally use carbon/kevlar or straight kevlar weave custom-moulded plates.
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Old 05-14-2004, 07:17 PM   #2
Scooby Newbie
Member#: 11774
Join Date: Oct 2001
2002 WRX
Car 334


I use Paul Eklund's skidplate from http://www.get-primitive.com and it's great. Bolts right up and is tougher than nails. I've used it for 2 years of rallying and it's still going strong.
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Old 05-14-2004, 07:56 PM   #3
Scooby Specialist
Member#: 10964
Join Date: Oct 2001
Location: Chi-town
06 ForesterXT
'02 Triumph S3


1/4"-3/8" aluminum - thickness depending on actual use.

other suitable materials:

kevlar (several of the old prorally manufacturer teams used kevlar in some type of composite form IIRC)

UHMW poly's. Basically, really heavy plastics. They actually work pretty good.

a lot depends on how much you want to protect and how you want to protect it. of course, price is usually a factor.

if you're talking for light-duty use, rally-x & road use, you can go a little lighter on protection and materials (like the primitive skidplate was 3/16" thick IIRC)
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Old 05-15-2004, 12:37 AM   #4
Scooby Specialist
Member#: 20437
Join Date: Jun 2002
Chapter/Region: Tri-State
Location: Downingtown, PA
1999 Impreza RS
STI Ver7


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Old 05-15-2004, 10:17 AM   #5
Scooby Specialist
Member#: 20325
Join Date: Jun 2002
Chapter/Region: NESIC
08 Yamaha WR250R
07 Suzuki DL650


For the DIY-types, you can get kevlar fabric here and here.

(No affiliation, not a customer either, just two random google results...)
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Old 05-15-2004, 01:46 PM   #6
Scooby Specialist
Member#: 33069
Join Date: Feb 2003
Chapter/Region: MAIC
2008 STI


Kevlar comes as a cloth; you're a heckuva DITY'er if you can layer it with resin and form it into a skidplate!
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