Dyno Prep?
03-22-2009, 06:34 AM
#1
Dyno Prep?
So, I've scheduled for my car to be dynoed at 11am on this upcoming wednesday. The shop will be using a dynojet. I was curious if you guys have any recommendations that I should do before going? Like changing oil (I'm at 30%) or doing some spirited driving to gear the ecu? I tried some searching but didn't really come up with anything that nailed this question on the spot.
03-22-2009, 08:12 PM
#4
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Ah great post jtso
i'm going to quote it for lazy people.
i'm going to quote it for lazy people.
There are certain things to check prior to strapping down on the dyno.
Prep works
1. check oil level, change oil and filter if necessary.
2. fill the tank with premium fuel
3. check tire pressure as it affects tire/roller contact (depending on type of dyno)
4. bring an obd2 scan tool if possible to monitor intake air temp, coolant temp to ensure each run is tested under the same condition.
5. bring a floppy or usb drive to store the final run files
6. arrive at the dyno early to allow time to cool down before the runs (heat soak affects the actual results
On the dyno
1. use wideband o2 hookup
2. don't touch the steering wheel during the runs!!!
3. ask the operator to start recording the runs at very low rpm ~ 2000 and use sae correction.
4. turn off VSA
5. let the engine rev to max redline
6. use the obd2 info to monitor cool down in between runs
7. ask for the dyno run files in additon to the printout when done
Prep works
1. check oil level, change oil and filter if necessary.
2. fill the tank with premium fuel
3. check tire pressure as it affects tire/roller contact (depending on type of dyno)
4. bring an obd2 scan tool if possible to monitor intake air temp, coolant temp to ensure each run is tested under the same condition.
5. bring a floppy or usb drive to store the final run files
6. arrive at the dyno early to allow time to cool down before the runs (heat soak affects the actual results
On the dyno
1. use wideband o2 hookup
2. don't touch the steering wheel during the runs!!!
3. ask the operator to start recording the runs at very low rpm ~ 2000 and use sae correction.
4. turn off VSA
5. let the engine rev to max redline
6. use the obd2 info to monitor cool down in between runs
7. ask for the dyno run files in additon to the printout when done
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