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TDI Power Enhancements Archives on TDI Power Enhancement related items.

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Old May 26th, 2004, 08:46   #61
fatdubsfatman
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some pretty impressive numbers.
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Old May 30th, 2004, 03:29   #62
Miguel_Spain
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Hi, Im Spanish owner of a Seat Cordoba TDi 90cvs (AHU) with Garret GT15 turbo.
Actually, I have a strong version of an Upsolute chip and all mufflers were removed.

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Old September 30th, 2004, 06:16   #63
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here is mine :

PD150 turbo
0.216mm nozzles (my products)
Rocketchip 4.0
12mm pump conversion kit (my products)

correction factor of 1.015 on a TAT MAHA dyno

the supreme insult : the car is converted for veggie oil BUT was on diesel for the dyno

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Old September 30th, 2004, 07:21   #64
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bleh... noticed the other thread... moving my post there...
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Old October 25th, 2004, 07:22   #65
TurbeinDeizle
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Yes, there IS a difference in Dynos.

Dynojet does not have a method to measure HP or Torque, as does the Land & Sea dyno, as previously mentioned.

Dynojet calculates HP & Torque based on a known roller mass/inertia, and acceleration rate.

Land & Sea uses a torque arm & full-wave strain gauge to actually measure Torque.

In order to be apples-apples when comparing the Dynojet with a Land & Sea, have the Land & Sea operator set the Driveline loss value at 15%. Dynojet uses a 15% driveline in their HP calculations, and using the 15% driveline loss in a L&S dyno will provide HP & Torque numbers within 1% of one-another.

I'll post my 02 Jetta TDI's HP & Torque numbers as soon as possible, but will need to convert them to PDF format first.

Best HP/Torque to date: 179.4HP / 354Ft-Lbs at the wheels (propane turned up), using our Land & Sea Dyno with driveline loss set to 15%.

Hope this help to clear up the dyno variation issue...

Tom
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Old October 25th, 2004, 07:44   #66
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Quote:
Best HP/Torque to date: 179.4HP / 354Ft-Lbs at the wheels (propane turned up), using our Land & Sea Dyno with driveline loss set to 15%.
you don't need to set a driveline loss for hp/torque at the wheels....
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Old October 29th, 2004, 10:54   #67
TurbeinDeizle
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"you don't need to set a driveline loss for hp/torque at the wheels...."

Yes, you do, if you are testing your car on a dyno with a Torque Arm/Strain Gauge, and you want to compare your car's output on a DynoJet dyno....

Tom
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Old October 29th, 2004, 11:09   #68
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Quote:
"you don't need to set a driveline loss for hp/torque at the wheels...."

Yes, you do, if you are testing your car on a dyno with a Torque Arm/Strain Gauge, and you want to compare your car's output on a DynoJet dyno....

Tom
so it's not wheelhp...

there's no drivetrain loss when you're talking about whp

and lb.ft is a fixed mesure, it shouln't vary from a dyno to another when taken at the wheels

my car made 172whp but 194bhp (flywheel hp is whp + driveline loss)
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Old November 24th, 2004, 04:01   #69
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http://pics.tdiclub.com/data/532/667...20_iso-med.JPG

TDI-R from Seat? No, it's my daily driver.
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Old November 24th, 2004, 04:33   #70
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http://pics.tdiclub.com/data/534/667...-paper-med.JPG

My friend's 215 hp Golf.
Comparison of Race520 vs. PP502 as a bonus.
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Old December 1st, 2004, 10:20   #71
Oldman
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WOW must be a ride! bout 20 HP and look at that HUGE fat massive torque gain. I hope this is a 6 speed?
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Old December 1st, 2004, 11:18   #72
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The pp502 vs. Race520 hp difference is even more, 27 hp.
Last time I heard, the 5 speed is hanging there ok.
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Old December 4th, 2004, 14:07   #73
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Ok, on a Land and Sea dyno here are my latest numbers. This includes a PD 150 turbo, Kermas' PP764 injectors and finally Jeff's RC 4 chip along with an 11mm pump. Beat my expectations 176.3 hp and 344.2 ft/lbs



Now if I'm supposed to adjust this (+15%) when compairing to a Dyno Jet Dyno I'd have some serious number...from 176.3 to 202.75 hp and 344.2 to 395.75 ft/lbs
Either way the thing ROCKS. Talk about linear power and torque, it's great!!
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Old December 4th, 2004, 14:28   #74
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What correction factor? It's probably not too much because you are close to sea level, but still be nice to know.

I see at the bottom it says "standard" correction method, do you have any info about that?
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Old December 4th, 2004, 14:36   #75
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The "correction factor" is kind of a joke, to me at least...although apparently not everyone thinks so. There seems to be a bit of controversy about the percentage of difference between assorted dynos out there. I'm sure there is a difference between them, but really the only way to be fair in my opinion would be to use the same dyno on the same day, with the same temperature etc. Even then people no doubt would ***** about something. Bottom line for me is that I am VERY happy with these numbers. And extrodinarily happy with the curvers of both torque and hp.
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