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Go Back   TDIClub Forums > VW TDI Discussion Areas > TDI Power Enhancements

TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old September 23rd, 2015, 16:59   #16
Drivbiwire
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Quote:
Originally Posted by Wankel7 View Post
Can't beat first hand experience!

Could you expand on why you feel the lower stage / flow was a mistake?

In an untuned car would would injectors set to stage 1 make the same power as injectors set to stage 3?
Stage 3 give more fueling potential, but a tune expands that by using more available range of control than a stock ECU allows.

Like I have mentioned, you should go with a Stage 3 and modified Pilot...
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Old February 23rd, 2018, 08:57   #17
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I used to have .205 nozzles set at Stage 1 and a 18 PSI Stage 3 tune. My clutch had 100k miles on it when I did this upgrade, and over another 100k miles later my clutch still did not slip. I did not beat on my clutch, which was a big factor in the life of my clutch.
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Old February 23rd, 2018, 10:09   #18
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Originally Posted by Nevada_TDI View Post
I used to have .205 nozzles set at Stage 1 and a 18 PSI Stage 3 tune. My clutch had 100k miles on it when I did this upgrade, and over another 100k miles later my clutch still did not slip. I did not beat on my clutch, which was a big factor in the life of my clutch.
For ALH cars... 99.5-01 cars have a LUK clutch that holds more torque than the 02-03 Sachs clutch.
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Old February 23rd, 2018, 10:12   #19
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To the OP, one must be careful when asking for recommendations about clutch slip or not. Big differences in the clutch can be seen year to year even in the same body style / family.

A custom tune for a stock nozzle, stock exhaust, 10mm pump can easily slip a stock Sachs clutch of an 02-03 car.
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Old February 23rd, 2018, 10:17   #20
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With my DLC520s I have them at stage 1. I have my tune hold off on fuel and boost below 2k rpm to stock levels, but once it gets up to about 2300rpm I have it at 17psi and 45mg of fuel. Pump voltage is scaled pretty close to the euro car so the 45mg should be pretty accurate might be more like 50mg though. Still stock clutch at 160k and it does not slip even in the cold. If I were to get more aggressive down low it will slip in 5th, but I have tuned that out. It is a nice little increase probably like 110hp and 190tq.
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Old February 23rd, 2018, 10:29   #21
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With my DLC520s I have them at stage 1. I have my tune hold off on fuel and boost below 2k rpm to stock levels, but once it gets up to about 2300rpm I have it at 17psi and 45mg of fuel. Pump voltage is scaled pretty close to the euro car so the 45mg should be pretty accurate might be more like 50mg though. Still stock clutch at 160k and it does not slip even in the cold. If I were to get more aggressive down low it will slip in 5th, but I have tuned that out. It is a nice little increase probably like 110hp and 190tq.
On an 03, stock nozzles, stock pump map, getting (not asking for) 51mg anywhere below 3500rpm asks for clutch slip on cold days. NE Ohio cold, not Florida cold.

EDIT: Just looked at tune. 44mg at 2500rpm. So your DLC520 0.205mm nozzles are getting no more power than stock nozzles can. 02-03 ALH cars are very clutch limited. Stock is 37mg max anywhere in the torque limiter.
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Old February 23rd, 2018, 18:11   #22
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Quote:
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On an 03, stock nozzles, stock pump map, getting (not asking for) 51mg anywhere below 3500rpm asks for clutch slip on cold days. NE Ohio cold, not Florida cold.

EDIT: Just looked at tune. 44mg at 2500rpm. So your DLC520 0.205mm nozzles are getting no more power than stock nozzles can. 02-03 ALH cars are very clutch limited. Stock is 37mg max anywhere in the torque limiter.
Ya basically like a malone stage 1.5 is what my tune is like. Stock nozzles can provide the fuel I am requesting, but the dlc520 can do it at a shorter duration. When I get a vr6 clutch I will let the fuel rip.
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Old February 23rd, 2018, 19:03   #23
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Quote:
Originally Posted by Scott02 View Post
A custom tune for a stock nozzle, stock exhaust, 10mm pump can easily slip a stock Sachs clutch of an 02-03 car.
mine held everything that pp764s would put out, 10mm pump, burning clean with compound turbos

yours was probably just worn out
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Old February 28th, 2018, 00:17   #24
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Drivbiwire
Checked you page and don't understand, how you can get more fuel from the same size nozzle. Only what there can be done, is changing 1 stage and 2 stage opening pressures, but I don't think, that it will give +20% more fuel. Could you please explain that ?
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