fuel shutoff location
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5th Wheeling
Joined: Jan 2026
Posts: 43
Likes: 7
fuel shutoff location
I'm considering adding a 1/4-turn fuel shutoff valve as a theft deterrent. I'm guessing it should go before the fuel pump rather than after, to prevent pressure due to check valve. Does that sound right? Also, there's a fuel filter after pump rather than before. Is that to prevent pressure drop during priming?
Fleet Owner
Joined: Dec 2000
Posts: 25,374
Likes: 5,383
From: Central PA
I think a battery shut off switch would be better to prevent theft and maybe easier to install..
But your 55 already has an anti-theft device installed: it's the starter button located far away from the ignition key. Furthermore, if your truck transmission is a 3 speed on the column you've got another way to keep young people from driving your truck.
But your 55 already has an anti-theft device installed: it's the starter button located far away from the ignition key. Furthermore, if your truck transmission is a 3 speed on the column you've got another way to keep young people from driving your truck.
Hotshot
Joined: Jan 2001
Posts: 16,882
Likes: 3,124
From: SE Wisc. (the Rust Belt)
Abe nothing like a crash box four speed to deter theft 
I’ve left a few people, young and old drive the F-2 not one has been able to get it going without choking it out.
i never lock my doors, the key has never worked. I’d. rather have someone rummage through it than forced the door and break the handle. I’m I’m in a dicey area I’ll pull the coil wire off.
I’ve left a few people, young and old drive the F-2 not one has been able to get it going without choking it out.i never lock my doors, the key has never worked. I’d. rather have someone rummage through it than forced the door and break the handle. I’m I’m in a dicey area I’ll pull the coil wire off.
Trailering
Joined: Nov 2022
Posts: 22
Likes: 24
From: Switzerland
As Abe suggested, rather get a electric kill switch somewhere hidden in your truck than something in your fuel line.
Just bougjht a Ford Model A Roadster and they have a fuel ventile but for other reason and it can be a source of problem.
And correct, my F2 with crashbox transmission would hardly ever get stolen ;-)
Just bougjht a Ford Model A Roadster and they have a fuel ventile but for other reason and it can be a source of problem.
And correct, my F2 with crashbox transmission would hardly ever get stolen ;-)
Tuned
Joined: Oct 2024
Posts: 275
Likes: 160
From: On a farm in Michigan
Best idea as others have said is the battery kill switch and the fact than no one other that my wife and daughter can drive a manual transmission truck. My daughter has a couple of Mustangs, a 64, a 65 and a 2000 something that have manual trans.
Logistics Pro
Joined: Jun 2011
Posts: 4,995
Likes: 422
From: u-rah-rah Wisconsin
A fuel shutoff is a good addition for storage shut down and some maintenance tasks.
Keep in mind that as a deterrent it would fail. As a device to frustrate the getaway after a theft it has a contribution.
Keep in mind that as a deterrent it would fail. As a device to frustrate the getaway after a theft it has a contribution.
Hotshot
Joined: Jan 2001
Posts: 16,882
Likes: 3,124
From: SE Wisc. (the Rust Belt)
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Tuned
Joined: Aug 2024
Posts: 325
Likes: 158
From: Texarkana
Can always use something like a rotary toggle switch to the coil wire, can could use the Throttle hole and bezel as a disguise. Hide in plan sight.
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Hotshot
Joined: Jan 2001
Posts: 16,882
Likes: 3,124
From: SE Wisc. (the Rust Belt)
I have always thought the best thing to have is a timed shut off so after a vehicle is started it would die a minute or two after the vehicle is started and moved a very short distance. A thief can take his time bypassing a wire to start a vehicle and pull away but if the vehicle died after it was pulled out of a parking spot a thief isn't going to take the time try to figure out the problem with people around him.
Tuned
Joined: Aug 2024
Posts: 325
Likes: 158
From: Texarkana
I have always thought the best thing to have is a timed shut off so after a vehicle is started it would die a minute or two after the vehicle is started and moved a very short distance. A thief can take his time bypassing a wire to start a vehicle and pull away but if the vehicle died after it was pulled out of a parking spot a thief isn't going to take the time try to figure out the problem with people around him.
Good point, a hot wire to the ignition is always a first take. That’s why I like the coil or something simulator to an hidden switch. A lot harder to find and who wants to spend a long time messing with a switch? Also, $30 WyZe camera on my WiFi has motion and noise sensors as well as night vision. Side note: left my shop light on, again.
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