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Needing to know how and what parts to get to install an oil pressure cut off switch that when the oil drops to a certain pressure it will turn my fuel pump off ,its for ford 2300. Just in case of a roll over . Thanks for any info from everone .
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The cheapest way to implement a 20# oil-pressure cutoff switch? Install the switch in the oil-pressure line coming from the engine to your oil-pressure gauge in the 'pit. The electrical connections on those switches will generally handle about 10 amps. Your fuel pump probably pulls about 4 amps. Wire the power going to your fuel pump through the connections on the oil-pressure switch. Then when/if the oil pressure goes below 20#, the electrical power to the fuel-pump will immediately be interrupted. BUT, keeping in mind, make sure the carb bowl has fuel in it before you shut the engine down. Why? Because when you re-start the engine, with the above setup, the fuel pump will not turn on, without an electrical bypass, until the engine is running & the oil-pressure gets to 20#+. Maybe about 2 seconds after engine start. And if you had worked on the carb @ the shop or at the track, the carb bowl can be re-filled by simply applying electrical power to the race car & shorting across the (2) electrical connections on the oil-pressure switch. The bowl will refill immediately. BTW...... our Pro-4 Rules out west, mandated that an oil-pressure switch MUST be used in the race car. For one of the reasons you mentioned. -Dave- -
Oil pressure switch
Hey dave you sure know your stuff buddy and i thank you for your info i will fix it upComment
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Oil pressure switch
It takes a little extra wiring, but you can also hook up a bypass switch inside the car that lets you run the pump to fill the bowl when you get ready to crank it. You won't have to wonder if the bowl is full that way. It also serves as a backup if that switch should fail for any reason, and I have known a few to go bad.Comment
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Racers Helping Racers!! -Dave-Comment
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