Not sure if it has one but if it does it is built into the gas hose barb on the fuel tank. Remove gas line from tank that goes to the engine. unscrew barb and look into the threaded end for a check ball. If there is a ball it is a anti siphon valve no ball no valve.
__________________
__________________
1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
|