Definitely recommend a fuel pressure gauge--so useful and a simple inline one is like $30. If your pressure is always too high then you will burn up the pump. There are guys that have gone through 3-4 Walbros before this issue was solved.
You would not believe how small the hole is in the return for the suction line. Holy shit! It is literally a pinhole. How the hell even the stock return fuel got through that is beyond me. Here it is AFTER I drilled it out to 5/64ths.
What the part looks like. You need to give it a really good tug to get it out of the hanger.
