To each his own.
Imagine a little black box with 4 wires.
Hot lead from the ignition on, ground, a lead to fuel pump, and a lead to the
coil.
Hooking up an oil pressure switch on an early car is not so easy. On a bugeye
we have the thin pipe from the block that goes to the mechanical oil pressure
gauge.
I don't want to mess with that.
Even if I were going to do it with a pressure switch then I would want to have
it
with a relay as well, which makes it just as complex from a wiring point of
view.
Of course it's helps if we know what to put in the theoretical black box...
I think it would be called a "missing pulse detector" in Forrest Mims' parlance.
Google it..
----- Original Message -----
From: "David Lieb" <72spridget@gmail.com>
>> A circuit like this is easier than plumbing an oil pressure switch.
>
> I dunno bout dat. A simple T with a short piece of pipe and the oil
> pressure switch screws right in (common mod in 1500 Midgets that want
> a real oil pressure gauge). The oil pressure switch is probably more
> reliable and much less of a pain to diagnose if it goes haywire. I
> tend to prefer mechanical "fixes" over electronic wizardry in a
> Spridget ;-)
> David L
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