rob41willys |
04-14-2008 08:36 PM |
Fuel tank has to be completely isolated from driver in case of accident.
Rule 1:5 FUEL SYSTEMS
Location: All fuel tanks, lines, pumps, valves, etc. must be outside of the driver's compartment and within the confines of the frame and /or steel body. Cool cans, fuel distrubution blocks, etc. must be located at least 6 inches forward of the flywheel/bellhousing area on rear wheel drive (RWD) vehicles, and on opposite side of flywheel/housing area on front-drive vehicles. Fuel pressure gauge isolaters, with steel braided line, may be mounted on firewall.
TANKS: When permitted by class regulations, fuel tanks located outside body and/or frame must be enclosed in a steel tube frame constructed of minimum 1 1/4-inch O.D. x .058 chromoly or .118 mild steel tubing. All fuel tanks must be isolated from the drivers compartment by a firewall, completely sealed to prevent any fuel from entering the drivers compartment. All fuel tanks must have a pressure cap and be vented outside of body. A positive-locking screw-on fuel tank cap is mandatory on all open-bodied cars. Insulated fuel tank prohibited. When used, fuel cells must have a metal box protecting the part of the fuel cell that is outside of bodylines or trunk floor, excluding hose connection area in rear. non-metallic fuel cells or tanks must be grounded to frame.
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