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Old January 22nd, 2010, 05:43 PM
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Fuel Pressure Gauge?

Trying this topic again, never did get any response the first time I tried it.

Has anybody been able to fit a fuel pressure gauge anywhere in a Hot-Wire EFI system? I'd love to put one in somewhere, but it's a serious pain in the ass so far from what I can see.

-Hans
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  #2  
Old January 22nd, 2010, 09:04 PM
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Hans, I'm not sure I understand what the problem is. Why is it different putting one in a hot wire system from any other system?
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Old January 22nd, 2010, 09:28 PM
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Quote:
Originally Posted by Stmpede View Post
Hans, I'm not sure I understand what the problem is. Why is it different putting one in a hot wire system from any other system?
Everybody else uses fittings threaded for normal sizes, and I can get off-the-shelf adapters if I want to put a dash gauge in. I could probably cut the factory fuel lines and put on some new flare fittings, but I'd rather not go that route if I don't have to.

For diagnostic work, everybody else has a schraeder valve right on the fuel rail that you can thread on a diagnostic pressure gauge. (or, again, normal threading on the connections). For us, there is some oddball gauge that you thread into the fuel filter, which I've never seen for sale anywhere.

-Hans
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Old January 22nd, 2010, 10:50 PM
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Hans,
For diagnostic purposes, I took a new fuel filter, drilled a hole, and had a schrader valve fitting brazed in. You could also retrofit a Discovery fuel rail with the fitting.
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Old January 22nd, 2010, 11:11 PM
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Quote:
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Hans,
For diagnostic purposes, I took a new fuel filter, drilled a hole, and had a schrader valve fitting brazed in. You could also retrofit a Discovery fuel rail with the fitting.
What year disco's are we looking at for this? I have a THOR upper and lower manifold in storage, but those are dead-head regulated, aren't they?

-Hans

Edit: Ahhhh, saw one on e-bay. I see what you mean. Any differences in the fuel temp sender?
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