Rosco Posted September 16, 2012 Share Posted September 16, 2012 (edited) I have a 75 280Z. 6 throttle bodes, stock fuel line from the tank to the motor, 1983 280zx fuel pump, running 43 psi I heard the noise while driving, kinda random but I can make it do it by driving slow in 4th gear. It almost sounds like a bad universal joint. I put it on a lift, with me in it revving the engine at different RPM's Charley said he could feel the noise in the fuel line. Have you ever heard a water line with air in it? "water hammer" Thats how he described it. Have you ever heard of this? Do I need a bigger fuel line? Edited September 16, 2012 by scobuggy Quote Link to comment Share on other sites More sharing options...
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