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Discussion Starter · #1 ·
Hello community

Short version.
I need a new fuel pump for a D16Y8 swap.
Its a 90 Base model if it matters.
No mods whatsoever.
The goal is to run the car with its oem map for a Y8 engine.

I'm Strongly considering walbro GCA308 kit. Which uses the GSS310 pump.
Its rated for 26 GPH,
43.5 psi....

Does anyone knows if there is a chance of running rich problems?
I suspect the 310 is over 10 GPH than oem.

I'll try starting the engine with a virgin p28, because I already have it.
The plan is to make sure no codes pop up for crank sensor or those weird things.

Once there are no codes then its either chipping the p28 or reconsider the next step.

Thanks
 

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Discussion Starter · #3 ·
Tks for the link.
I did not thought of needing a new fp regulator.
Now I'm concerned about that one too. Lol

But for now i need a good fuel pump that its not too much for a stock set up.

Tks
 

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If you have no plans for turbo in the future just use a stock replacement. Denso is the OEM equivalent and only cost about $85 or so on Rock Auto.
 

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These fuel systems have a return, so in theory, any unused fuel would return back to the tank. I'd think the stock FPR would be fine.
 

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Discussion Starter · #6 ·
Thanks. I had bad experience with rock auto.
I'll buy it elsewhere though. Tks.

I also read Denso is in deep :poop: with a fuel pump recall. It might be for a different gen but I dont want to risk it.

I'll go with the walbro its around $100 as well.

I know the return line sends fuel back to the tank, but my concern is if I use a fuel pump with to much flow that could cause back pressure or something weird, may be I'm overthinking the whole thing. Lol

Thanks guys
 
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