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-   -   Nb fuel system redo (https://www.miataturbo.net/engine-performance-56/nb-fuel-system-redo-97075/)

Dusterbd13 05-29-2018 11:47 AM

Nb fuel system redo
 
So, needing to modify the fuel system for my engine swap project. Already have my new 3/8 feed and 5/16 return hardlines run.
removed the intank regulator and installed a walbro 255.
Removed charcoal canisters from engine bay and under car.

no emissions needed.

questions:
which outlet on the fuel pump module is which? Forgot to label them and dont want to tear it all back apart.
what are y'al doing for tank vents? I still have all the stock stuff, but would prefer a simple vent to atmosphere if possible.
i hate to ask, but my search skills suck and afted 3 hours have come up empty handed.

DNMakinson 05-29-2018 12:45 PM

Here is what I did including return labeled

Dusterbd13 05-29-2018 03:23 PM

Im not all that bright. It sounds like you ran your vent from the valve on the top of the tank, ti the filler tube, then up.front to a filter. Am i reading this right?

and thanks for the return picture! That was my guess, but wanted to confirm.

DNMakinson 05-30-2018 07:19 AM

There is a line coming from the fill tube that originally went into the canister. Then, out of the canister is a line that went to the vent. I put a short hose that joined the two, bypassing the canister and the solenoid. Vent was not moved from its original location near rear wheel well.


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