cj247 Posted May 29, 2016 Share Posted May 29, 2016 Wanting to change my standard S3 metric rollover bar to either a trackday or FIA rollover bar but need some advice on compatibility with standard full hood & boot cover please. Ideally I don't want to have to replace either the hood or boot cover although I've heard that Thundersports can modify the latter.Also is it better to go for the full FIA bar or the Trackday one? Car is used on road & for trackdays but not raced. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted May 29, 2016 Member Share Posted May 29, 2016 There's lots on which combinations work in the archives.JonathanPS: I was interested in your description of the different bars. I think it's consistent with *Caterham Parts' but IIRC when I bought mine in 1998 the one with the single diagonal was described as "FIA". Did something change?* Wouldn't it be better if the "Out of Stock" sign didn't obscure the image?! Link to comment Share on other sites More sharing options...
cj247 Posted May 29, 2016 Author Share Posted May 29, 2016 Thanks Jonathan.I did search existing material but it seems inconclusive. Some say that the standard hood will fit , others not.Is the standard FIA roll bar the one with the single diagonal & the tall one with two diagonals or am I mixing up the trackday & FIA bars? Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted May 29, 2016 Member Share Posted May 29, 2016 Is the standard FIA roll bar the one with the single diagonal & the tall one with two diagonals or am I mixing up the trackday & FIA bars?I don't know. My 1998 bar with a single diagonal used to be described as "FIA" but that doesn't match the current photos.Jonathan Link to comment Share on other sites More sharing options...
Alan Archer Posted May 29, 2016 Share Posted May 29, 2016 When viewing cars recently I was told that, the single diagonal was track day and the double FIA, how accurate though I can't confirm. Link to comment Share on other sites More sharing options...
Mrp Posted May 29, 2016 Share Posted May 29, 2016 Would be good if people could put the different dimensions on as per the softbits half hood diagrams of the different rollbar dimensions so people could workout the alterations to half hoods and boot covers that are required. I for one would find this useful. Mrp Link to comment Share on other sites More sharing options...
john milner Posted May 29, 2016 Share Posted May 29, 2016 I don't think there is anything strictly speaking known as a "FIA" rollover bar and that the number of diagonals is just down to two being the newer type. The FIA designation comes from the petty strut which is an additional bar rarely used outside of racing.http://www.caterhamparts.co.uk/product.php?id_product=2712 Link to comment Share on other sites More sharing options...
W2TKY Posted May 29, 2016 Share Posted May 29, 2016 I've recently changed from a standard bar to a FIA bar, on my 7. The chassis is a Imperial S3. My boot cover now no longer fits correctly, it's the extra width of the bars that's the problem.It can still be used in the short term, as I am, but over the winter I intend on getting it altered Mark Link to comment Share on other sites More sharing options...
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