screw in type GM fuel pressure test port?

CyFi6

Aliens.
Oct 11, 2007
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I was wondering if anyone made a schrader valve fuel pressure test port, like the GM's have that can be screwed in. I would like to have a fitting like that on my fuel rail, but i don't want to have it welded. I was wondering if there was a fitting that i could buy, then drill/tap my rail and screw it in. Thanks for any advice.
 

Piratetip

Far From Maddening Crowds
Staff member
Super Moderator
Dec 30, 2005
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MKE, WI
Got mine from Lance Wolken back in the MKIII days.
Replaces the Banjo bolt for the CSI while offering a test port.

p1292138_1.jpg
 

jetjock

creepy-ass cracka
Jul 11, 2005
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I use a miniature stainless steel quick connect on a tapped CSI bolt. My fuel test/injector cleaning gear has the mating coupler. What piratetip has is slick though and the way to go if it can still be had. Has to be a lot cheaper too.