HPDE in a 289 USRRC/FIA Cobra
Hey guys and gals, I’m posting this in a couple of different Cobra forums hoping I can get some solid info, so if you see it on a competitors forum, I hope it’s not an issue.
I’ve been getting more and more serious about the prospect of ordering a 289 USRRC/FIA kit; I’d love to order the ERA kit, but at 2/3 the cost, and arguably just as capable around a road course, I may end up going the Factory Five route. I’m absolutely in love with the lines of the USRRC car (even with the “perky butt” on the F5R version), and I’ve got an awesome 289/T5 combo looking for a new home, so it really seems like the right direction for me to move in. I would want to use the car, primarily for doing track days, HPDE events, and some weekend driving. I have no aspirations of wheel to wheel racing, and I have seen essentially unmodified track day cobras in the past, but lately in the forums I’ve been seeing a lot of negative and/or contradictory information. Can I do track days in a 289 USRRC/FIA Cobra? The NASA CCR HPDE section states very vaguely that all open top cars shall have a roll-bar, and mentions in the same section “an original Shelby Cobra” as an example of a “roll-bar” that would be satisfactory for the driver only (NO passengers). They then go into specifics for “roll-cage” construction in the competition rules. What I’ve been hearing is that in some areas (Arizona specifically) NASA is starting to enforce the competition rules for tracks days and HPDE events, kicking out cobra kit cars specifically because the roll bar hoop is too narrow (15” minimum requirement IN THE COMPETITION RULES?), and also no rear stringers for the 289 USRRC/FIA car. On one site a comment was made about cobras being inherently dangerous and, essentially backyard built, so it seems like maybe it’s an issue of the cars themselves being out of favor. Can anybody speak to this situation specifically? And bonus points if you’re on the West coast. Maybe I just don’t want to run with NASA, though they’re the big dog out here, and a lot of the smaller organizations reference their CCR. PS-I’d like to avoid the general roll-bar discussion that ensues on these forums. For the purposes of this discussion, let’s assume I’m single with no kids. Also, assuming I go the 289 Cobra route, I plan to get my HPDE solo status in my new Accord, so that not having a passenger’s side bar for the instructor isn’t an issue. Thanks for reading. Hope that I can build this kit, and use it the way I envision without too much trouble. Thanks Again, Casey |
Good luck with your plan. I have not raced mine with NASA, buut this is what I did for vintage racing with SVRA, VRG and SCCA vintage. While yo will not have a passenger, you still may want to consider putting some side protection on the passenger side, and definitely on the drivers side. You cannot control what you may hit, or what may hit you. Even in HPDE events bad things happen sometimes.
Here are some pictures of my roll cage addition to my Superformance 289 FIA. The roll cage was tied into the frame behind the seats and to the hoop under the dash. http://www.clubcobra.com/forums/pict...=16729&thumb=1 http://www.clubcobra.com/forums/pict...=16730&thumb=1 http://www.clubcobra.com/forums/pict...=16731&thumb=1 The side bars are easy to step over. I have added a second bar on top of the passenger single bar and brought a send bar across from the drivers side to the front hoop. Hope this helps. Have fun and be safe. Nothing like driving a cobra at speed on a track. Jim |
Jim, first, thank you for the response.
Those door bars look awesome and I would have no issue incorporating something like that into my design, specifically because you’ve still retained 100% of the aesthetic nature of the original car, while vastly increasing car safety. But, and, don’t take me the wrong way here, going simply by what the rule book says about roll-cage design, I don’t see how that would be in any way legal (NASA rules anyway). I mean, obviously it is, and someone has signed off on it, but just judging by the “letter of the law” as outlined in the book, I don’t see how it would be...AND in a nutshell, that’s what I’m finding most frustrating about this journey so far. It seems like car eligibility has less to do with the actual “rules” and falls more on the whims of the local chapter or even possibly the tech inspector at a particular event. Have you ever been given a hard time about your cage setup? Did you get approval and/or design notes from a tech inspector before you built it? Speaking more to my general frustration thus far, I quarried the NASA forums about my ‘68 Mustang’s HPDE eligibility with a NASA approved roll-bar, Kirkey vintage race seats, and 5-point harnesses, and in a month plus I only got a single response; that I should really just leave the vintage car on the street. Granted, I’m just getting started, and I probably need to actually go to some events and try to talk to some of the NASA officials. But it’s winter, and that’s a good time for starting a new project. :) Anyway, thanks again for responding. I’d be happy to incorporate something like your door bar design, especially if it meant that I might even be allowed to do some actual racing... |
In vintage racing the rules are a little softer around roll cages. Mine is more than is required. I sent the pictures of the roll cage to SVRA (that's where the logbook is) and they liked it. I have raced the car in SCCA vintage races and have not had any complaints. Just reviewed the current NASA rules and could no see anything in the roll cage section that addressed open cars. The rules were designed around a car with a roof. Have you looked at the designs of the roll cage manufacturers that they reference?
http://www.clubcobra.com/forums/pict...=16836&thumb=1 My driver's side continues up to the hoop to provide two support points going forward. Morris, on this site, raced a Kirkham 427 car in SCCA for many years. You could look at his design. It was raced in GT1, which is a very competitive race group. You should also check with Factory Five about the possibility of using their roll cage for the challenge car series that runs with NASA. It may be possible to have them fit the roll cage to an USSRC/FIA car. Jim |
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Thanks again for the ideas, Jim. I’ve got to check out Morris’ car. |
Good luck. SVRA does not support HPDE's as far as I know. I do know that some HPDE's do not like open cockpit cars, but then again a lot of them do not require roll cages either.
Good luck. Maybe you should consider vintage racing.....;) Nothing like taking a cobra through corners at speed. |
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