HPFP vs. Audi's direct injection system

TexAg06 · 06-18-2009, 09:43 AM

I know Audi's RS4 has had its own problems, but does it use a high pressure fuel pump in it? If so, have they seen the same pump failures we have? Maybe there's something to learn there.

undecided · 06-18-2009, 09:49 AM

Quote:

Originally Posted by TexAg06

I know Audi's RS4 has had its own problems, but does it use a high pressure fuel pump in it? If so, have they seen the same pump failures we have? Maybe there's something to learn there.

I have not heard anything about their HPFPs failing.

Potty_Pants · 06-18-2009, 10:09 AM

Quote:

Originally Posted by undecided

I have not heard anything about their HPFPs failing.

thats because they dont have any HPFP.

ppp

TexAg06 · 06-18-2009, 10:16 AM

Quote:

Originally Posted by Potty_Pants

thats because they dont have any HPFP.

ppp

that's what i was wondering as well.

Potty_Pants · 06-18-2009, 10:32 AM

honestly no idea Tex... i was just j/k

bandido · 06-18-2009, 10:53 AM

Actually, I believe that almost the entire Audi/VW US line is now direct injected. At least the 2.0 and 4.2 are for sure and I assume must have a high pressure pump as well...

Companies like APR have already come out with big turbo kits for the 2.0 and it includes a new high pressure fuel pump...They get ~375hp from a 2.0.

http://www.goapr.com/products/stage3_long20t.html

Hmmm, maybe the A5 is back on the table if this turbo kit is an option

bandido · 06-18-2009, 11:06 AM

Here is a link to their upgraded FSI fuel pump, maybe we should send them some of our failed pumps and have them tell us why they suck so bad...

http://www.goapr.com/products/fsi_fuel_pump.html

Zeph · 06-18-2009, 11:17 AM

Oh wow, 1100 bucks. This will be required at some point for us as well, really with people putting down over 400 RWHP (and with so much low-mid TQ) I wonder what our stock pump is capable of anyway...

Speaking of Audi, the only car they sell that really interests me is the R8, lol, of course I can no where nearly afford to buy it!

ar design · 06-18-2009, 11:59 AM

Quote:

Originally Posted by Potty_Pants

thats because they dont have any HPFP.

ppp

Yes, they do. The fuel does not pressurize itself

06-18-2009, 09:43 AM	#1
TexAg06 Second Lieutenant 16 Rep 231 Posts Drives: 2007 E90 Join Date: May 2009 Location: Houston, TX iTrader: (2)	HPFP vs. Audi's direct injection system I know Audi's RS4 has had its own problems, but does it use a high pressure fuel pump in it? If so, have they seen the same pump failures we have? Maybe there's something to learn there.
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06-18-2009, 10:32 AM	#5
Potty_Pants Colonel 66 Rep 2,189 Posts Drives: 2012 Genesis Sedan Rspec Join Date: Apr 2007 Location: Southern NJ iTrader: (0)	honestly no idea Tex... i was just j/k __________________ Olds Starfire > Chevy Malibu > Isuzu I-mark RS & Honda Magna 500 > Grand Am GT & YSR50 > Nissan Maxima & Ninja 750 > X-Wife > Hyundai Excel > Honda Prelude > Honda Accord > Honda Prelude & Ninja 250> Infiniti G35 > E90 335i > Hyundai Genesis Rspec, Hyunadai Sonata > Kia Sorento > Honda CRV-EX
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06-18-2009, 10:53 AM	#6
bandido Private 10 Rep 85 Posts Drives: 2014 M5 Singapore Grey Join Date: Jul 2008 Location: Arizona iTrader: (0)	Actually, I believe that almost the entire Audi/VW US line is now direct injected. At least the 2.0 and 4.2 are for sure and I assume must have a high pressure pump as well... Companies like APR have already come out with big turbo kits for the 2.0 and it includes a new high pressure fuel pump...They get ~375hp from a 2.0. http://www.goapr.com/products/stage3_long20t.html Hmmm, maybe the A5 is back on the table if this turbo kit is an option
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06-18-2009, 11:06 AM	#7
bandido Private 10 Rep 85 Posts Drives: 2014 M5 Singapore Grey Join Date: Jul 2008 Location: Arizona iTrader: (0)	Here is a link to their upgraded FSI fuel pump, maybe we should send them some of our failed pumps and have them tell us why they suck so bad... http://www.goapr.com/products/fsi_fuel_pump.html
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06-18-2009, 11:17 AM	#8
Zeph Major 27 Rep 1,410 Posts Drives: 2008 E92 335i 6MT SGM CR/BD Join Date: Jul 2008 Location: Southeast USA iTrader: (0)	Oh wow, 1100 bucks. This will be required at some point for us as well, really with people putting down over 400 RWHP (and with so much low-mid TQ) I wonder what our stock pump is capable of anyway... Speaking of Audi, the only car they sell that really interests me is the R8, lol, of course I can no where nearly afford to buy it!
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