Quote: Originally Posted by
Novak94 
yep i plan on getting the 0-100 psi gauge. As far as the fitting goes ^^^ that is the exact one i was looking at, i just don't know what size the test port on the S3 rail is. Then as far as the other side of that fitting i will need some kinda cap that is meant to hold pressure, unlike the stock one on the s3 is just a dust cover.
the fuel pressure sensor fitting that came with my scangauge is a -4an fitting with a 1/8npt port. Todd @ AeroForce verified this is what we need for the
PTGT & SRT4 fuel rail. It comes with the cap you mentioned
Oil and Fuel pressure sensor page
