I like the electric fuel pump switch idea, I also like the fuel shut off
valve concept. I have one on my track car, it is in plain site, I think
that adding one in the rear with the fuel pump would be good for long term,
(leave the car somewhere for a while), and the fuel pump since it is not
directly effecting the ignition system, poses little to no threat to it.
Quite a long-lived thread here...
I had a 240Z which had its mechanical fuel pump swapped for an electric.
Hidden way under the dash was a switch to turn off the pump - when
switched off the car would go for about 20 seconds then sputter and die.
Felt very natural, not an abrupt stall or anything. I figured any car
thief worth his salt would guess what happened, though I doubt he'd
spend much time diagnosing the car in the middle of the street.
Years later I had an RX-7 which I bought used. One night pulling out of
a steep driveway, a bottle of water behind the driver's seat bounced
against a kill switch hidden under the carpeting.
Thanks to the previous owner who had neglected to tell me about it, this
well-hidden switch cost me around $700 for a mechanic to turn back on
again. He probably would have never found it, except that it was routed
through the fusebox and the mechanic knew the cars well enough to see an
extra wire.
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