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Fuel help 280zx

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Old 02-08-2016, 07:00 AM
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Lightbulb Fuel help 280zx

Hello,

I am a new owner of a 81 280zx NA and i found this site and i had a question that i couldn't find the answer while browsing. i have the L28, with the pall net fuel rail and an after market fuel pump and fuel reg.

Fuel pump is a Wall-bro 255 and the Regulator i believe is a pro fuel but my problem is that when i try to dial my pressure down to the 36-40 range psi i can only get it down to 60psi while running.. i am wondering do i have a vacuum leak because i smoothed out my intake and have the fuel reg. vacuum line going to a tiny hook up on the throttle. do i need to have it attached at the intake some where better.

Im just not sure what direction to go from here and any help would be appreciated. Thank you
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Old 02-08-2016, 09:13 AM
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Could you post a pic of your fuel pressure regulator?
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