Ed said it, but you have to read the whole rule. The first paragraph, GCR 19 states:
"19. SAFETY FUEL CELL SPECIFICATIONS
All cars must be equipped with a safety fuel cell complying with these specifications, except for ... Improved Touring."
Further down, GCR 19.4 reads:
"19.4. ROTARY MOLDED CELL
The use of rotary molded fuel cells not having a bladder, or not contained in a metal can, is allowable in those cars that do not require the use of a fuel cell, but where they are an allowed option."
In other words, your Summit cell is fine, although I think you would like the one from JAZ Products better for about the same price. The problem with the Summit cells is that they have large, like 1.5", openings around the fittings, and the fitting is only supported by the liner. The JAZ cells are more like FIA cells, where the fitting is attached to the can and the liner. Also, with the fuel system in your 280, you will probably want three fittings on the cell; fuel supply, fuel return, and vent, and they're easier to add to the JAZ style cell.
I'd also suggest using a surge tank, er... secondary fuel cell I mean, to keep your EFI system from starving in long corners.
Ty Till
#16 ITS
Rocky Mountain Division
2007 RMDiv ITS champion
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