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Re: Toggle switch for electric fuel pump?
The oil pressure switch is typically how the factory does it, as well as an inertia switch which kills the fuel on large impacts or roll overs. When I used to race Jeeps, on electric fuel pumped carbed engines you quickly discovered that when you rolled one, and were upside down, having gas pour out the carb on to your body was a sucky idea. The only reason electric was used was to keep up with two 660 center squirters at 7000 rpm.
On fuel injection engines not quite so bad, as they will continue to run upside down, at least until the sump drains from oil and they seize, or the oil pressure\inertia switch shuts the fuel pump off.
I would stick with the mechanical pump if it was possible, though. Cheap & reliable are two great qualities to posses in car parts.
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