Miata Mailing List: August 1993, Message #112
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   From: tkacik@adtaz.sps.mot.com (Thomas Tkacik)
Subject: Re: Hard Dog Sport Bar
   Date: Mon, 16 Aug 1993 10:56:55 -0400



>> It's hard to tell from the one picture: how close is the driver's
>> head to the bar when the seat is as far aft as it will travel?

>Probably a couple of inches. At most. SCCA Solo II rules suggest that a
>roll bar be no more than 6 inches behind the driver's helmet.
>
>But don't be discouraged from getting and installing one just on my sayso.
>There are good reasons to put a roll bar in a Miata. For one thing, you
>can't put in a racing harness without a roll bar meeting the height
>requirement in SCCA Solo II. For another, though the roll bar is of course
>not guaranteed by the manufacturer, it might actually save your life.

Unless you are very short, you will not be able to install a roll bar high
enough to meet the SCCA height requirement, and also put the top up.
I have yet to see a Miata driver with a racing harness that is actually
legal.

I do not think that any of the advertized sports bar meet the height
requirement.  They are SCCA Solo II legal, because any type of
bar is legal in Solo II.

Tom Tkacik
tkacik@adtaz.sps.mot.com