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EliteDubs.Com > Technical > Engine Forums > 2.0T FSI Engine Tuning > Upgraded fuel pump for the 2.0t?
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Author Topic: Upgraded fuel pump for the 2.0t?  (Read 3472 times)
elitedübs
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« on: January 09, 2007, 08:16:48 PM »
Is there one yet? Is anyone working on one? Whats the scoop icon_pimp
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Anthony
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enginerd
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« Reply #1 on: January 09, 2007, 10:10:34 PM »
still working   icon_face
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« Reply #2 on: January 09, 2007, 11:53:33 PM »
cam?
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By the time you decide to upgrade to a REALLY BIG TURBO, there would be someone with even BIGGER TURBO which really makes your BIG TURBO look like really small turbo. - Igo®
elitedübs
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« Reply #3 on: January 10, 2007, 04:20:41 AM »
veddy good hyper

what have you found out?
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Anthony
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« Reply #4 on: January 10, 2007, 07:50:59 AM »
06F127025H is the latest fuel pump!The new Audi S3(265ps) and Leon CUpra TFSI(240ps) are using it!
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dp@unitronic.ca
elitedübs
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« Reply #5 on: January 10, 2007, 02:21:23 PM »
enginerd, have you flow tested this "new" pump?
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Anthony
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« Reply #6 on: January 10, 2007, 04:59:08 PM »
There are several models out there. I have run an R32 FSI pump supposedly high output and it was the same as the B pump, maybe 30 cc's/min more @ 3000 ERPM nothing to get excited about. This is on an engien with much higher HP ratin as well. Most of these part number changes I have seen just have different features. Adding a bleed down valve, or an inlet pressure sensor port etc etc.

Easiest way to tell is to measure the piston. Stock piston = 8mm find a bigger piston and you get more flow.

Just 1 mm on the piston diameter = 26% more delivery.

Also do not forget the potential for a higher lift camshaft.
Changing from a 3 lobe 5 mm cam to a 3 lobe 6 m cam = ~ 20% more output from the pump.

These increases may not seem like much, but the deficit is mainly in the low RPM range. It's just to get past the torque issues. The bigger turbo with a shifted curve will follow the fuel delivery curve nicely.

Some companies have made BT's with the stock pump, they just have an oddly shaped curve with less low end torque than you would expect. Stock pump is 300 whp capable.
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elitedübs
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« Reply #7 on: January 10, 2007, 05:04:36 PM »
well, it seems the hp isn't the problem, its the tq.

well i definitely don't want to get into cams and i'm definitely not gonna go BT for a few yrs unless i hit the lottery or something. lol

So, we needs to find a bigger piston fuel pump? i guess...
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Anthony
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2008 CW Rabbit awaiting unichipping
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