Here's some info from Bill Watson which was posted here some time ago. It's an inline T adapter with a cap, that Bill leaves in the line, and hooks up his gauge to periodically. Some pictures have been posted too, but I don't have them handy:


Here 'ya go Alex. Opening the three photos in numerical order will probably make the most sense. I figure everyone can
find the right gauge for them, this is just the tee/tap into the fuel line.

These are all "Parker" fittings. You can find your closest store at www.parkerstore.com/ then click on "Parker Store
Locator" on the left. The three fittings cost a little over $30 total which is not cheap, but the savings of not
replacing the wrong parts easily saves that... plus the time savings of being pointed in the right direction - ie, when
it's ignition and not a fuel problem...

I probably hook up the actual gauge once every 18 months when something acts up and I'm trying to eliminate the good
items to find the real problem.

bw

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Parker Metric adapter (the T-fitting): ELO8LA3C --$12.39
Parker Metric adapter to 1/4 NPT: EGE08L1/4NPTA3C -- $16.67
Parker Metric Reducer (cap and plug): VKA083C --$1.18


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David Armstrong - '86 240(350k km?), '93 940T(270k km), '89 240(parts source for others) near Toronto