I have been using this fuel pressure test kit for four years and it works great. The bleed valve allows you to bleed all the air from the repaired systems, which significantly speeds up takeoff after takeoff. After testing on cars, trucks, boats and tractors, no leaks were ever found and the gauge is still accurate (calibrated to a precision gauge). The only downside is the adapter for the Schrader valve. The stick that opens the Schrader valve fell out after four uses. I modified it by putting a small flat base screw on the side in the adapter port and it works great. I believe you can buy new adapters from Amazon.
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