One time I was having fuel system issues. My walbro was whining like a bitch. and my fuel pressure was down. so I turned my nismo fpr up to get back to 40. I still had the car falling on its face in the top end.
Turns out the gas tank had gunk in it and the fuel sock sucked it all up. Causing my fuel pump to have to work exra hard and not be able to pull enough fuel.
I would take the fuel pump out of the tank. It's easy, takes maybe an hour to do and easy to check.
If you have a walbro pump, a fuel sock off of I believe a 93 4runner v6 (3.0) will fit and is actually an upgrade over the walbro sock (bigger surface area) and they only cost about 5 bucks.
dont ask how i figured out how that would fit, took me quite some time at advanced of trying all of the socks out to see haha.
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