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Sure. Can happen. The OEM fuel lines on that engine were pre-formed lines with proper bends that should not collapse.
But weak line walls over
I think I'd go for that cast pan first over any car pans. I can't see it being much deeper than the one you have. Then too, did the current pan have any
Ok i undersand. But what if it just colaps just enough to restrict some flow?
Yes there is enough suction to collapse a fuel line. There is a vacuum switch on the incoming side of the pump to set off a warning for just that issue.
Ok will check linkage. I do know that butter flys are all closed and at wot they are all perfect horizontal.
Dose the fuel pump suck enough pressure