Regarding the placement of the main hoop: Per NHRA rules the main hoop of a roll BAR must be within 6" of the helmet, vertically and horizontally, but it does NOT have to be that close when you have a roll CAGE. I do not know if this is the case with any other sanctioning bodies (NASA, SCCA, et al.) but thought it worth a mention.
Quote:
Originally Posted by Ron Sutton
When you say it's from "Alston" ... is that Chris Alston's Chassisworks or the old Alston Race Car Engineering brand that was bought out when Chris' brother Tom's company went defunct long ago?
I ask, because Chris Alston Chassisworks builds the best roll bars. The use a higher grade of steel, because Chris understands steel. And the roll bars & cages fit tighter to the body which provides more room for people to move around... especially the driver who can get quite busy in the cockpit.
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Thanks Ron! There are definitely differences. The old Alston name is still around as 'Alston Race Cars,' mostly selling parts Chris designed in the '70s. Interestingly, it was sold last year and purchased by one of our competitors.