| TDIFest 2011 Discussion about TDIFest 2011 on the Labour Day weekend (September 2-4th, 2011) in Lexington, KY. |
September 4th, 2011, 18:22
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#31
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Newbie
Join Date: Jul 2011
Location: southern ill
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Was anyone tuning at the dyno? Thats the only reason i can see to dyno is to tune.
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September 4th, 2011, 20:41
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#32
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Modded
Join Date: Oct 2005
Location: St-Jean, Québec, Canada
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If it can help... Here's a picture I took of the numbers when I was there Saturday
__________________
Jetta TDI 2001 GL (~580 000 km) : GT-1749VB, EGT/O2/Boost Gauges, Scangauge II, Sachs VR6 Clutch kit, OEM G60 Flywheel, 502 Nozzles, MRTuning, Euroswitch, Hella Micro-DE w/ yellow bulb, Rear fog, Wolfsburg's Heated Seats, Koni STR.T Shocks, H&R OE Sport Springs, TT Control Arm Bushings, 17" Santa Monica (GTI VR6) Wheels, DieselGeek Skid Plate, FX35 HID Projectors Retrofit, GLI Tail Lights, 2004 Trunk lid.
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September 5th, 2011, 08:16
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#33
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Veteran Member
Join Date: Sep 2007
Location: Louisville, KY
Fuel Economy: pretty good
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Quote:
Originally Posted by A5INKY
...I just emailed the dyno shop (Fast Enough Performance) inquiring about the correction factors, if any, used Saturday...
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Got this emailed reply from Chris Koptizke this morning:
" ...We use the built in weather station with the intake air probe at the air filter, it also factors in outside air temp, baro, and humidity. The drivetrain loss on your car should be around 35% so your crank horsepower is about 240.( we know this from extensive engine/chassis dyno testing)"
Anyone know if 35% drivetrain loss is reasonable for our cars? IIRC from reading on this forum, 15-20% loss is the usual number.
__________________
2006 Jetta, Drivers Fire manifolds, GTB2056VK, R783 nozzles, TD Tuning, and many, many more mods...Now dialed!
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September 5th, 2011, 08:38
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#34
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Join Date: Feb 2006
Location: Cambridge, MN
Fuel Economy: 42.2/50.0/58.1
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What did you tweak between your runs?
Quote:
Originally Posted by Torque_Delight
If it can help... Here's a picture I took of the numbers when I was there Saturday
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I thought it was odd that all of the cars were PD's. (seriously, it took me a while before I realized that in the non-tdi world that pd could mean something else  )
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- Nick -
02 Jetta TDI 228k (42.2/50.3/58.1 MPG) // 01 Eurovan 24V (don't ask) // 55 Chevy 210 4dr wagon 265 V8 PG (18MPG)
How to Post Pics - How to Search
TDIclub trusted mechanic in Minnesota - PM me Yes, I do the Passat BSM repair! MY CALENDAR
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September 5th, 2011, 08:42
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#35
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Join Date: Aug 2004
Location: South of Boston
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No, 35% is reasonable (a bit high) for AWD. You're right, most use 15% for FWD.
I know some of these cars and how they're set up, and all these numbers look a bit low. But it was a hot day, I hear.
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2002 Jetta wagon, 278K, RC6 and other stuff; 1993 Mercedes-Benz 300D 2.5, 190K; 1997 Passat, 253K; 2012 Golf, 15K; 1990 Miata, 66K. Principal, http://www.idparts.com
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September 5th, 2011, 08:51
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#36
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Veteran Member
Join Date: May 2005
Location: Port Jervis, New York, USA
Fuel Economy: low 38, high 61, avg 48
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Quote:
Originally Posted by greengeeker
What did you tweak between your runs?
I thought it was odd that all of the cars were PD's. (seriously, it took me a while before I realized that in the non-tdi world that pd could mean something else ) |
Haha.. I remember seeing that at a dyno session once and it took me a while to realize it meant that they had already PAID lol
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Trusted northeast TDI guru (They tell me I can fix these things) 
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September 5th, 2011, 09:13
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#37
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Veteran Member
Join Date: Sep 2007
Location: Louisville, KY
Fuel Economy: pretty good
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Quote:
Originally Posted by greengeeker
What did you tweak between your runs?...
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Just the tune.
Struggled getting rid of smoke for months only to have the MAF finally crap out (but somehow still pass all the "tests" I could find on the boards). Just changed to a MAFless tune a couple weeks ago and had started adding fuel back in. First run went completely smokeless and torque dropped off big time after 4000 RPM. Second runs were better but there is still room for more fuel, and I have the hardware to deliver it.
__________________
2006 Jetta, Drivers Fire manifolds, GTB2056VK, R783 nozzles, TD Tuning, and many, many more mods...Now dialed!
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September 5th, 2011, 12:44
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#38
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Veteran Member
Join Date: Jun 2008
Location: Spring Grove, IL
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I only got 142 hp, my tune is really smokey down low, so I set the IQ at 10, and didn't realize i had no smoke on the dyno  . Oh well, was my first one, live and learn.
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Jim
99.5 Jetta - TD Tuning, DRW 6 sp.,Peloquin, SBC Stg. 2 Clutch., 17/22, R520's, Colt Stg. 2 Cam, Whitbread Custom Intake & 3" Tip, 2.5 SS Strt Pipe, DG Skid Plate , Custom FMIC. Fsd's, GTI springs, ID rear sway bar, Hid's, 312 frt, 280 rears.
03 Jetta - stg 3 TD Tuning, full speed density.
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September 5th, 2011, 14:21
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#39
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Veteran Member
Join Date: Feb 2010
Location: Central Ohio
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Quote:
Originally Posted by Torque_Delight
If it can help... Here's a picture I took of the numbers when I was there Saturday
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Hopefully I can break the 100 mark next year......
__________________
2002 Jetta GLS TDI 5 Speed - 214K miles - Q-Loader, VNT 17, EGR Cooler Delete Mufflerectomy, Cat Delete, Custom 2.5" Downpipe-back, Custom Race Pipe, Cage Mod, Bosio DLC 1019's, Sachs G60/VR6 Clutch & Flywheel, Frostheater, Ventectomy, More to come.... 
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September 5th, 2011, 14:45
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#40
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Join Date: Nov 2003
Location: Millersport, Ohio
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Mine was 118.6/215
It was a fun time, and I got mine done before all of the heat really kicked in. right around 10am.
I need to photograph my Dyno Sheet and post it up here.
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September 5th, 2011, 14:51
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#41
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Newbie
Join Date: Jul 2011
Location: southern ill
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Last edited by Madmanmartin; September 5th, 2011 at 15:11.
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March 26th, 2012, 05:20
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#42
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Veteran Member
Join Date: Sep 2002
Location: Louisville, ky
Fuel Economy: 63.25mpg max
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I re dynoed yesterday on the same dyno and did 178.
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