fuel filter/system upgrade?

[milkandoj]

Along with some other work im putting in a walbro and sard fuel pressure reg.

The stock fuel filter is rated a 2L /min of flow and in bigger setups this is changed. For my car should i look at changing it.
510cc injectors are sufficent for a setup like this untill the boost is turned up to around 20psi, so the 2L /min of the filter looks on paper to just do the job. (im using 560's anyway).

Do i need to upgrade the filter or any other restrictions at this level. I dont want to go AN fitting and braided lines if i dont need to. It doesnt have to look sexy for the sake of it. Is there a reasonable solution.

Basically the setup will be;
272 cams
td05 20g
055 afm
560cc injectors
With some other supporting mods; chip, wideband ect. And later intercooler piping and safc if need be.

Looking to run around 17-18psi on the street. So id estimate to be in the region of 350hp when all set up.

Some other threads i found on this are a few years old or people pushing 500hp.
According to VFAQ on the 93 talon dsm they tested, they couldnt get more than 1.9L/min through the stock system. Yet the walbro and sard path seems to be all some do with mild upgrades.

 

[bazeng]

I've seen some nice setups with stock fuel filters but in saying that, I'd upgrade.

At least change your filter to a bosch style one, it'll bolt up in the same position as stock.

Also change your fuel filter to fuel rail line to a -6 line at minimum.
You'll need to either weld a -6 speedflow fitting on the rail or get a bolt up fitting, but the problem with bolt up fittings is that you will lose diametre within the inlet due to the requirement for the o-ring slot.

As for the other end of the fuel rail, once again get a bolt on fitting (this should be ok on the return side, they have a larger opening) and run a -6 line to your fuel pressure reg.

This should be sufficient imo.

I've got -8 from pump to rail so I've gone a bit over board.

 

[milkandoj]

fair enough thanks for that. yeah just wanted to know if im pushing it as ive seen some pretty stock setups like what i planned but wanted to be sure.

 

[brisvr4]

You'll be fine on the street with that setup.
I'm still running the stock fuel filter but I am running -6 from the filter to the rail.
I have no fuel delivery problems with 1450cc injectors and a 50 trim turbo @ around 30psi.
I believe that the banjo fitting on top is a pretty big restriction.