fuel filter ? upgrade?

[GalantGst]

I was wondering if the stock fuel filter is a big restriction on a dsm?
I would like to upgrade my fuel filter to this aeromotive unit


It has -10 in and out I was wondering how would i go about making the transition from the stock feed which is a flare nut to the filter then from out the filter to the rail?

 

[12sec92Tsi]

You would have to run AN fittings and SS line for your feed and return lines.
By the way the stock dsm fuel filter is not that big of a restriction if your not making huge amounts of power-its fine for a daily driver.

 

[GalantGst]

use an adapter from the flare to the an fitting or just cut the fitting off and use clamps?

the filters is only 80 bucks so its nto that bag i would like to do it anyway.

 

[12sec92Tsi]

I'd just go with the adapters.

 

[GalantGst]

any idea what size adaptors? and for the fuel rail i can just thread in a 10 an fitting in there right?

 

[ISUJakey]

Someone please correct me if I'm wrong but I believe I recall reading that one of the Supra fuel filters is a direct bolt-on upgrade (with a small amount of bracket modification) for DSMs in terms of flow characteristics. I have this PN saved on my computer: 23300-49185.

 

[Diplomat]

AutoAlchemy feels that the stock banjo fitting (on the fuel filter) and fuel rail inlet are two considerable restrictions on DSM fuel systems. They've come up with a simple replacement to take care of this.

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Of course, this is something that you normally wouldn't concern yourself with until after other fuel upgrades (rewire, fuel pump, adjustable FPR and possibly larger plumbing), assuming you even need that kind of flow (i.e. future turbo upgrade).

That Aeromotive filter is nice, but I'm not sure what they go for. AutoAlchemy sells the above piece for $160 'merican dollars and you can get it in black, unless you prefer the red and blue aerospace theme.

 

[Defiant]

I was wondering if the stock fuel filter is a big restriction on a dsm?

No, it isn't.

 

[GalantGst]

AutoAlchemy feels that the stock banjo fitting (on the fuel filter) and fuel rail inlet are two considerable restrictions on DSM fuel systems. They've come up with a simple replacement to take care of this.

You must be logged in to view this image or video.

Of course, this is something that you normally wouldn't concern yourself with until after other fuel upgrades (rewire, fuel pump, adjustable FPR and possibly larger plumbing), assuming you even need that kind of flow (i.e. future turbo upgrade).

That Aeromotive filter is nice, but I'm not sure what they go for. AutoAlchemy sells the above piece for $160 'merican dollars and you can get it in black, unless you prefer the red and blue aerospace theme.

wow ####ing nice man. good find.

i have a question their 160$ set up has a .35 micron filter i was wondering how many micron is out stock fuel filteR?

 

[Diplomat]

"...i was wondering how many micron is out stock fuel filteR?" - GalantGst

I was curious about the same thing. A human hair is roughly 50 microns wide. Those 10" extruded carbon potable water filters you find in and around some households often range between 1 and 10 microns, so 0.35 is pretty small.

 

[Diplomat]

Wait a minute...

From their website:
"The Earl's filter included in this kit is rated for 4 to 5 gph of flow with 35 micron filtering capability."

That's 35, not 0.35. So, yeah... does anyone know the OE filter specs?

 

[BoostedTalonTS]

Here is some more info on the OE fuel system (like base flow numbers and what you could get from upgrading it)... Since the filter used in this link isn't made by K&N anymore, I subsituted it for the one pictured earlier, from Earl's. As stated, it's filter (a replacable sintered bronze element) filters down to 35 microns. Here's the link:

http://www.stevetek.com/R-FuelSys.html

According to them, the OE filter is only good for 2LPM/120LPH... So ANY upgraded fuel pump is able to flow more than that, and thus would be a restriction in the system. They unfortunately do not mention a filtering spec on the OE filter, just it's flow rate.

Also, when installing this similar system in my DSM, I opted for the AN-06 bolt-on fuel rail adapters vs tapping the fuel rail itself.

Another issue I found that I didn't like about the SteveTek setup was the fact that the AN-06 fittings were not a 100% direct fit to the OE fuel lines... I used a metric female flare to Male AN-06 adapter (Summit #RUS-670521 ) to solve this problem.

 

[Defiant]

According to them, the OE filter is only good for 2LPM/120LPH... So ANY upgraded fuel pump is able to flow more than that, and thus would be a restriction in the system.

But not as much of a "restriction" as the injectors, is it?

 

[BoostedTalonTS]

But not as much of a "restriction" as the injectors, is it?

I guess that statement would depend on the size/flow requirements of the size of the injectors themselves...

For example, take OE 450cc/min injectors x 4 = 1800cc/min flow = 108000cc flow rate per hour. That equals 108lph... That doesn't leave much room for improvements in terms of just being able to drop in larger injectors and not suffer flow issues (just from the OE fuel filter, according to the 2lpm/120lph flow numbers provided by SteveTek)

With 550cc/min injectors, the numbers look like this:
550 x 4 = 2200cc/min = 132000cc/hr = 132lph (with the flow rate of the OE filter being 120lph, you have managed to outflow the OE fuel filter by 12lph with only 550cc injectors!!)

Note: These numbers are all based on the original flow numbers provided by SteveTek... Volume conversions can be found here:
http://www.convert-me.com/en/convert/volume

 

[BoostedTalonTS]

Oh, one last thing... The flow info posted by AutoAlchemy is incorrect for that Earl's male/male AN-06 inline filter... It SHOULD read 4-5GPM, NOT GPH.

So for those of you that are wondering... The Earl's fuel filter has a flow rate of 4-5 GPM, that equates to about 240-300 GPH. That equates to 908.5-1136LPH worth of flow rate on that filter.

 

[noreaga0221]

AutoAlchemy feels that the stock banjo fitting (on the fuel filter) and fuel rail inlet are two considerable restrictions on DSM fuel systems. They've come up with a simple replacement to take care of this.

You must be logged in to view this image or video.

Of course, this is something that you normally wouldn't concern yourself with until after other fuel upgrades (rewire, fuel pump, adjustable FPR and possibly larger plumbing), assuming you even need that kind of flow (i.e. future turbo upgrade).

That Aeromotive filter is nice, but I'm not sure what they go for. AutoAlchemy sells the above piece for $160 'merican dollars and you can get it in black, unless you prefer the red and blue aerospace theme.

I have this kit. It like it and it was worth the $170 shipped. I have a fuel pump with a -6 outlet so i plan on running a direct line. -6 from tank to rail. Cant ever have enough fuel in my book.