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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 February 2nd, 2019, 08:28   #16
yahmon
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Quote:
Originally Posted by adjat84th View Post
OP says flooring it in 6th gear at 70mph (near 2k rpm) is causing vibration. That's peak torque. If the clutch was slipping, they would see RPMs go up considerably with no matching acceleration...not a vibration.

mercdude, stock flywheel runs around $500. A Sachs upgraded DMF (with clutch and pressure plate) is right around $1k. Labor on this should not be more $600-$800 for someone familiar with these cars. Are there any trusted TDI mechanics in your area? They may be able to tell you for sure if it's the flywheel or not.

If your tuner has already reduced peak torque and that helped slightly, to me that points right at the DMF.
Mine does the same as his, it is like a shudder and not an rpm runaway, likely something caused by clutch and DMF
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Old February 2nd, 2019, 08:33   #17
yahmon
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Quote:
Originally Posted by Rrusse11 View Post
"just downshift at highway speeds because I was lugging my tdi at 2k rpm. Huh???"

You've now got a different engine, learn to drive it properly. Keep it
in the mid 2's and stop lugging it. Get a SMF clutch, I highly recommend the SBC stage 2 End,
and you'll probably need a Fluidampr as well.
That's what I had to do with my Mk6.

You're throwing more power at the stock setup, this is
the slippery slope of modding, buying a tune is only the beginning.
An LSD is a great addition to any car IMO, but it gets expensive in
a hurry. Adding power is the ez part, getting it on the road efficiently and smoothly is the tricky part.


My $.02
They pull hard from 1800 rpm, that's what they were meant to do from factory. they also were made in 170, 190, 240hp factory versions. a simple clutch upgrade should cure this.
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Old February 2nd, 2019, 10:25   #18
Rrusse11
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Quote:
Originally Posted by yahmon View Post
Mine does the same as his, it is like a shudder and not an rpm runaway, likely something caused by clutch and DMF

You have a kerma tune too? My mk6 with a cr170 turbo dynoed around 180Whp and 300'#s. I was Jeff's (Rocketchip) first tune with that turbo.
Never had a shudder, but the DMF went out. Pulling hard from 1800rpm in 6th was never something I did. I dropped it into 5th.
Motor was much happier, and the car was quick.

Read this thread for other's opinions;
http://forums.tdiclub.com/showthread.php?t=495351


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Old February 2nd, 2019, 10:47   #19
yahmon
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different tune but same symptom and different gear. Mine will do it in first if I launch hard and also in 4th from 1800 to 2000.
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Old February 2nd, 2019, 13:53   #20
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Welp now I’m sold on not tuning my CJAA for a good while. Plus not voiding that warrenty.
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Old February 2nd, 2019, 15:06   #21
yahmon
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Originally Posted by Yourbuddysatin View Post
Welp now Iím sold on not tuning my CJAA for a good while. Plus not voiding that warrenty.
Where is your sense of adventure?
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Old February 2nd, 2019, 19:22   #22
Yourbuddysatin
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I know I’m a disappointment ....I’ll leave all the goodies from my golf. It will be fun. Wife calls my mk6 a dads car...now I feel old.
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Old February 2nd, 2019, 21:01   #23
mercdude
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Quote:
Originally Posted by Yourbuddysatin View Post
Welp now Iím sold on not tuning my CJAA for a good while. Plus not voiding that warrenty.


You shouldnít be discouraged. Like others have said, the lower level tunes work flawlessly.

Btw Kerma persuaded me against a turbo upgrade because it wouldnít give any more power than the tune, only lower egtís. And according to kerma the tune is giving 170/350 to the wheels. I havenít dynoíed to verify but it feels damn quick and will spin wheels hard in first and second gear. Almost scary in the rain tbh. Hence the wave trac lsd.


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Old February 2nd, 2019, 21:06   #24
mercdude
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Quote:
Originally Posted by yahmon View Post
They pull hard from 1800 rpm, that's what they were meant to do from factory.

Exactly. If we were discussing a 1.8t then Iíd agree with lugging, but these tdiís are like the old pushrod v8s in how they deliver power. IMO Dropping down a gear is a way to cover up the symptom of something else going on - works yeah, but you shouldnít have to do it.


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Old February 10th, 2019, 14:02   #25
mercdude
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Quick question: has anyone that shares the same vibration issue tried to replicate the vibration with and without traction control turned on? I had some replication of the vibration in the rain in 3rd gear and I then without the traction control I couldnít replicate. So wondering if thatís the issue -
Thoughts?


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Old February 10th, 2019, 14:04   #26
DAKOTAKIDD
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For my shutter/vibrationó-I donít have traction control on my car

Cheers


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Old February 13th, 2019, 09:19   #27
mercdude
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Quote:
Originally Posted by DAKOTAKIDD View Post
For my shutter/vibrationó-I donít have traction control on my car

Cheers


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You have a mk6 cr tdi, correct? My Ď13 jsw has traction control as ASR - Seems like every vag product would have some sort of tc by this point.


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Old February 14th, 2019, 17:49   #28
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Mine is an MK4. But I Experience the same issue just I donít have traction control.


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Old February 14th, 2019, 18:14   #29
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the shudder is present in my car as well, malone 2.0.

no big deal, i "drive around" it.
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Old February 14th, 2019, 20:50   #30
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Worst case Ontario tuning is fully adjustable on our end, can pull out torque by gear and only for ~200-300rpm sections which is usually enough.

Wide open from lower RPM in 5th/6th is usually the main culprit.
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