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Tips for the Dyno

W

whitewagen

Passed Driver's Ed
Location
USA
I just found out that a shop nearby added a dyno recently. I'm thinking about heading out there to get some numbers. However, I have a few questions that maybe someone with some experience can answer. If you've put your 1.8 mk7 on the dyno can you share your experience?

Traction Control:
Is there a dyno mode for Golfs/Sportwagens? Do you need to code traction control completely off or pull the ABS fuse? I have the starting vibration reduction deactivated and coded for ESC Off. Do I need to do anything else?

RPM signal:
Do they need to get an RPM signal and where do they do that on our cars? Do any dynos need access to the obdII port? I know plenty of cars with a JB4 have been dynoed so I'm assuming that's not an issue.

Anything else I need to know?
 
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W

whitewagen

Passed Driver's Ed
Location
USA
Ideally the shop should, however, I've heard of several people online that had trouble with a not so knowledgeable shop. Since this shop just got a dyno I would like to go in with some knowledge to make sure it goes smooth.

I know at least a couple guys here have had their car on a dyno so I'm hoping they'll chime in.
 
toledospeed

toledospeed

Go Kart Champion
Location
3rd rock
You can get a good RPM signal by putting the pick up around the wires on cylinder 1 (leftmost from front of car). Just un-snap the plastic cover (pull up) that sits over the coil-pack and then put the pick up around all the wires that you see there. You may have to adjust a tad, but once you a signal it should be good to go.

If you have VCDS, there is a dyno mode that you can use. In VCDS go to 03 - ABS Brakes, Adaptation, and then Roller Test Bench, functional - change it from Not Activated to Activated. I'm sure there is another way if you don't have VCDS, I recall seeing some videos about this.

Gawernator said:
The tuning shop should know how to do everything for you
Click to expand...

Not always the case, trust me!
 
W

whitewagen

Passed Driver's Ed
Location
USA
Thanks for the tip in the RPM signal.

Do you think dyno mode is necessary, or is ESC off enough to keep traction control from interfering? I saw a video of a GTI which involved turning on the hazards and pushing the gas pedal 5 times to put it in dyno mode. I have OBDeleven but would rather not mess with it at the shop because my tablet sucks.
 
T

Ton

Go Kart Newbie
Location
U.S.
Gawernator said:
The tuning shop should know how to do everything for you
Click to expand...

The shop I went to could not get a reliable RPM signal no matter what we tried. He had other cars with the same problem. So he called dynojet and they recommended he get RPM from the dyno drum. He set it up, called me back and we were successful.
 
toledospeed

toledospeed

Go Kart Champion
Location
3rd rock
whitewagen said:
Thanks for the tip in the RPM signal.

Do you think dyno mode is necessary, or is ESC off enough to keep traction control from interfering? I saw a video of a GTI which involved turning on the hazards and pushing the gas pedal 5 times to put it in dyno mode. I have OBDeleven but would rather not mess with it at the shop because my tablet sucks.
Click to expand...

I think the other method works too, but I didn't have to use it. George can give you some tips if you email him...I think he told me about the method you mentioned, or a similar method. It's been awhile now, but we may have tried that method too, I can't recall.

Ton said:
The shop I went to could not get a reliable RPM signal no matter what we tried. He had other cars with the same problem. So he called dynojet and they recommended he get RPM from the dyno drum. He set it up, called me back and we were successful.
Click to expand...

That is odd, I have heard this too. We struggled a tad at first to get the pickup in place properly, but after that our Dynojet signal was rock solid for about 8 runs or so once we got the pickup in place. Perhaps you have to use the cylinder closest to the passenger side for it to work properly, not sure.
 
T

Ton

Go Kart Newbie
Location
U.S.
toledospeed said:
I think the other method works too, but I didn't have to use it. George can give you some tips if you email him...I think he told me about the method you mentioned, or a similar method. It's been awhile now, but we may have tried that method too, I can't recall.



That is odd, I have heard this too. We struggled a tad at first to get the pickup in place properly, but after that our Dynojet signal was rock solid for about 8 runs or so once we got the pickup in place. Perhaps you have to use the cylinder closest to the passenger side for it to work properly, not sure.
Click to expand...

We tried everything. Dynojet rep said it happens sometimes and drum RPM or a trigger installed on the cat itself (like on flywheel) is usually foolproof.
 
TwinDad

TwinDad

Autocross Newbie
Location
Fort Lee, NJ
The best dyno tip would be to set your expectations low. This way you will be happy with the outcome
 
Diggs24

Diggs24

Autocross Champion
Location
de plains! de plains!
Car(s)
2015 GTI
 
W

whitewagen

Passed Driver's Ed
Location
USA
Yeah I don't have much for expectations. Just thinking about a couple Map 6 runs and a Map 4 run for a baseline.

That way I'll have something to compare to if I ever get around to using the is20 that's sitting in the garage.
 
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