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35.4.1 Spill Prevention Mounting Mounting the drip pan and/or splash shield(s) directly to the fuel tank with a connection only around the fuel cap is insufficient and will not be allowed. Drip pans must be mounted using sound engineering practices. Drip pans must be graded or inclined such that all spilled fuel drains from the drip pan – fuel must not pool anywhere in the pan. 35.4.2 Spill Prevention Draining The fuel must drain from the drip pan through a drain line composed of pipe or tubing that carries the fuel to the bottom of the car and releases it under the car. (In competitions involving a water hazard, the fuel must not be deposited onto floatation material, but must instead be directed around or through the floatation by the drain line.) At no point in the drain system (the drain lines and any associated fittings) will the inner diameter be constricted to less than 9.53 mm (.375 inch) – this includes bolts with a hole drilled in the center used as a fitting. At least one drain line is required; multiple drain lines are allowed for the purpose of redundancy or to alleviate the pooling of fuel in different parts of the drip pan. 35.4.3 Spill Prevention Drain Material The drains must be either fuel line material, other pipe or tubing suitable for transferring fuel. Tubing, fittings, or sealing materials that are weakened or dissolved by fuel are unsafe for this application and will not be permitted. If tubing is used, it is highly recommended that a threaded and barbed fitting be used at the point where the drain line connects to the drip pan. 35.5 Splash Shields Splash shields are required to prevent fuel from accidentally being poured directly on the engine or exhaust while refueling or preparing to refuel the car. The splash shields must be mounted in the correct position at all times. Teams cannot make them adjustable or something the driver must put into the correct position to insure proper coverage during fueling. Note: (BELOW) The following are examples of approved spill/splash shields: Note: (BELOW) The following spill/splash shield is NOT acceptable: 40 © 2009 SAE International. All Rights Reserved. Printed in USA. 2010 Baja SAE Rules