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Planted Seat Bracket

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#1
MAK

MAK

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I have a bottom mount FIA seat that I need to get off the stock sliders. I could take it to a fabricator for a custom welded seat bracket or install the seat with the Planted Seat Bracket which I was told would bolt directly in to the OEM stock seat mounts:

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425motorsports Link


1. Would this satisfy GCR Section 9.3.41 assuming appropriate grade hardware is used?
2. Have any of you used this particular seat bracket?
3. How high would it position the seat relative to the stock sliders?

Thanks.


9.3.41. SEATS
The driver’s seat shall be a one-piece bucket-type seat and shall be
securely mounted. The back of the seat shall be firmly attached to the
main roll hoop, or its cross bracing, so as to provide aft and lateral support.
Seats homologated to and mounted in accordance with FIA standard
8855-1999, or FIA.Standard.8862-2009 or higher need not have
the seat back attached to the roll structure. Seats with a back not attached
to the main roll hoop or its cross bracing may not be mounted to
the stock runners unless they are the FIA homologated seats specified in
an FIA homologated race car.
The homologation labels must be visible.
Seat supports shall be of the type listed on FIA technical list No.12 or
No. 40
(lateral, bottom, etc). Passenger seat back–if a folding seat, it
shall be securely bolted or strapped in place.


-Mike
Bona fide - A bonafide Spec Miata driver

#2
MAK

MAK

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As Dean pointed out in another thread, here is the updated wording to GCR Section 9.3.41 as stated in the March 2011 Fastrack:

CLUB RACING TECHNICAL BULLETIN

DATE: February 20, 2011
NUMBER: TB 11-03
FROM: Club Racing Board
TO: Competitors, Stewards, and Scrutineers
SUBJECT: Errors and Omissions, Competition Adjustments, Clarifications, and Classifications

All changes are effective 3/1/11 unless otherwise noted.

GCR
1. #3951 (CRB) Correct Appeal FeeIn 8.4.3.A.4, delete “, unless the Court directs otherwise” to reflect actual current policy.

2. #4176 (CRB) Clarify 9.3.41
Clarify 9.3.41 as follows: “Seats with a back not attached to the main roll hoop or its cross bracing may not be mounted to the stock on runners unless only if they are were part of the FIA homologated seats assembly specified in an FIA homologated race car.”


-Mike
Bona fide - A bonafide Spec Miata driver




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