JFryer Posted February 1, 2001 Share Posted February 1, 2001 Well This weekend I am having a rollbar custom built by a local race car chassie fabricator. But he does not have a copy of the SCCA GCR. This is what I am thinking of for the bar. Main hoop would tie in to the intersection of the floor and inner rocker panel's just behind where the seat belt retractor bolts to. Rear braces would run from the top of the strut tower to the main hoop. Diagonal brace would run from main hoop low on passenger side to top of drivers side. Would also like to encorporate a harness bar but don't know if I should have is run between the rear braces or have a U shaped one that runs from one side of the main hoop to the other. All welded mounting plates will be 1/8 inch mild steel. Rollbar tubing will be 1.75 X .120. So does anyone know if this will be ok under SCCA rules. I am thinking about doing some time trial's this summer. Thanks Jeremy P.S. yes I know I need to get a copy of the GCR but I wasn't going to have the bar installed so early, But a spot opened up in this guy's schedual and I would like to get my car done. Quote Link to comment Share on other sites More sharing options...
johnc Posted February 2, 2001 Share Posted February 2, 2001 Call the scca national office and ask for the road racing department. You can get the number from http://www.scca.org. I "think" with 1.75 diameter mild steel tubing you can run .095 wall. The .120 wall requirement is for 1.5 mild steel. FYI... the scca also stopped giving a wall thickness break for cro-moly tubing so you can't save any weight there. ------------------ John Coffey johnc@betamotorsports.com [This message has been edited by johnc (edited February 02, 2001).] Quote Link to comment Share on other sites More sharing options...
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