Specifications include, but are not limited to: 2.1 Engine and Related Components Engine shall be V-8 or larger, gasoline powered preferred, and heavy duty with a minimum displacement of 6.0 liter (min) or Approved Equal. It is recommended that the vendor submit description, warranty information and literature information of product with bid. 2.1.2 The engine shall be furnished with a large capacity full flow oil filter easily reached and replaced without removal of any major component. 2.1.3 The engine shall be installed so as to produce a minimum of vibration. A firewall of sandwich construction shall separate the engine and passenger compartments, providing both thermal and acoustic insulation and sealing against intrusion of exhaust fumes into the vehicle. Non-combustible insulation shall be used. 2.1.4 Exhaust System The vehicle shall be equipped with a street side exhaust system that meets United States Government noise level and exhaust emission (smoke and noxious gases) requirements. The muffler shall be a low exterior noise type. The tail pipe shall be extended approximately two inches beyond the street side of the vehicle. A minimum of (2) two heavy duty exhaust hangers is required from the rear axle to the rear extension of the vehicle. Hangers shall be bolted to chassis or structure, NOT WELDED. There shall be a heat shield between the tail pipe and the fuel tank. 2.1.5 Fuel System A single fuel tank shall have a capacity of at least 40 gallons and be located between the chassis rails behind the rear wheels. If above 14,000 GVWR then a 55 gallon tank shall be included. Must include a fuel pump access panel in the floor of the bus. 2.1.6 Cooling System The largest available radiator and fan for this vehicle will be supplied, coolant Provided shall be permanent anti-freeze (ethylene glycol base w/rust inhibitor) to protect from freezing down to -50 degrees F. (super cooling package). 2.1.7 High Idle System A high idle system, intended to maintain battery charging under heavy demand when the vehicle is stationary and the emergency brake is applied, shall be provided on gasoline vehicles.
