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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 August 18th, 2011, 10:08   #1
Bud44
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Talking Post your 'Dynolicious', 'Bosch Light Em Up Dyno' Results Here !!!!

Post your Dyno results here.

Apps for iPhone

Dynolicious

(Paid App) $12.99 - Quarter mile, horsepower, 0-60 time, etc.


Bosch Light 'Em Up Dyno
(Paid App) $4.99 - Quarter mile, horsepower, 0-60 time
(Free Version) Only measures 0-60 time

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Old August 18th, 2011, 10:13   #2
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Kinda interested.. even though the accuracy of said instruments is of debate to me.
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Old August 18th, 2011, 15:05   #3
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I want to see the OP's dyno results first!

Seriously though, for Android users there is an app called "Dynomaster" that is pretty useful.

Also, VCDS can be used to log data from which you can find 0-60, torque, etc.
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Old August 18th, 2011, 16:11   #4
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Quote:
Originally Posted by manual_tranny View Post
I want to see the OP's dyno results first!

Seriously though, for Android users there is an app called "Dynomaster" that is pretty useful.

Also, VCDS can be used to log data from which you can find 0-60, torque, etc.
I have not see the Dynomaster one for Android, but I have the one called Torque app for Android which I highly recommend, but limited sensor access on VW/Audi as it only uses OBDII protocol. It maybe my cheap ELM clone wireless adaptor.
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Old August 18th, 2011, 16:57   #5
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I just tested my car.
Dynolicious
98 Jetta TDI
VEG-216, Chipped, muffler delete
3000 Lbs & 15% drivetrain loss
121 HP (2nd gear pull)
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Old August 18th, 2011, 17:18   #6
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Deleted first question, saw answer in your signature.

How many PSI is your "chip"?
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Old August 18th, 2011, 18:25   #7
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Will you accept similar accelerometer guessed peak power numbers from G-Tech devices on this thread?
Similar concept to the phone based programs: input the guessed weight, level the device, accelerate. Then it's just math: F=M*A.

And how did you determine the drive line losses? Not that it matters as wheel HP is all that counts. If you want a bigger HP number for boasting purposes use 20% loss and calculate fudged power at the top of the pistons rather than half-fudged at the flywheel.
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Old August 18th, 2011, 18:44   #8
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Any accelerometer-based dyno app is not worth the results it gives without inputting things like accurate weight from certified scales with the EXACT payload at the time of testing, tire size, gear/final drive ratios and coast-down tests, the latter preferably on as near perfectly level stretch of road as possible and averaging runs at least once each in both opposing directions to factor out tail/headwinds and grade differences.

Putting a guesstimate weight can throw off the HP results significantly. Drivetrain loss factors are dubious as well.
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Old August 18th, 2011, 19:02   #9
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Yup! But if they are accurate in identical repeated tests, they could provide a way to measure changes in performance.

Even professional dynos are "inaccurate" compared to other professional dynos...
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Old August 21st, 2011, 14:47   #10
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Quote:
Originally Posted by manual_tranny View Post
Deleted first question, saw answer in your signature.

How many PSI is your "chip"?
Around 19 psi
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