I know, it bites me every time. This time it looks like the gauge maybe accurate as I have a USG gauge and it slightly lower at 380 on #1. Thing is its like about 75 degrees out and I did run the motor for like about 20 seconds this am. Maybe I'll try one more time in tomorrow morning. Think it has carbon inside? The intake had some crude in it. I'm not taking it apart. It runs good, just has a little roughness when you first start it for a couple of minutes, you know sputter here and there.
The problem I am having with this cheap setup is the quick connect is popping of at around 400 psi sometimes. Pieced together another setup with pieces I have.

hhmmmm. Don't want to make a big project out of this as I want to sell it.

Dave

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Currently driving a very clean 1985 300SD from the West Coast.