Another Osiris Tuned G35 by Xact Dyno :)
Another Osiris Tuned G35 by Xact Dyno 
So, I took my car down to Tim Kelly at Xact Dyno about two weeks ago for a full dyno tune with the UpRev Osiris software, just didn’t have a chance to post the results till now. But overall it was a good investment the car definitely feels faster, I’ll be taking it down to the track shortly to see if I can improve on my 1/4 mile times.
Just some background on the car:
2003 6-Speed G35 Coupe
Modifications: Injen cold air intake, HKS exhaust, PowerLab plenum spacer, TiTek test pipes, and prior to the full custom dyno tune I was running an Osiris re-flash for about a month before I decided to upgrade
Now the dyno:


Now a picture of the car:

Thanks again to Tim and Xact Dyno!
So, I took my car down to Tim Kelly at Xact Dyno about two weeks ago for a full dyno tune with the UpRev Osiris software, just didn’t have a chance to post the results till now. But overall it was a good investment the car definitely feels faster, I’ll be taking it down to the track shortly to see if I can improve on my 1/4 mile times.
Just some background on the car:
2003 6-Speed G35 Coupe
Modifications: Injen cold air intake, HKS exhaust, PowerLab plenum spacer, TiTek test pipes, and prior to the full custom dyno tune I was running an Osiris re-flash for about a month before I decided to upgrade
Now the dyno:


Now a picture of the car:

Thanks again to Tim and Xact Dyno!
it looks like u were running dangerously rich before the tune and that was causing you to lots of hp. Very nice gains.
BTW welcome to the forum.
BTW welcome to the forum.
Last edited by Klubbheads; Jun 3, 2009 at 01:03 PM.
Yeah, at first I was thoroughly confused as to why the baseline numbers were so low but after I saw the AFR it made sense.
Also, the solid blue line is after the custom dyno tune, the green line is after just the re-flash, and the dotted blue line is with the original maps.
Have to replace my o2 sensors now as them seem to be on their way out.
Also, the solid blue line is after the custom dyno tune, the green line is after just the re-flash, and the dotted blue line is with the original maps.
Have to replace my o2 sensors now as them seem to be on their way out.
Wow, your car was running terrible prior to the tune and that AFR is insanely rich. The tune, like you said, is a great investment and worthwhile if you do a lot of breather mods. You just gained 45hp and 30tq from it. Must feel like a brand new motor was dropped in. Welcome to the board
Why not?
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Sure there is. That's a common myth. We tuned one last month.
Here is a link that shows all the cars that are supported by Osiris. You are looking for the second page, about half way down.
http://www.uprev.com/documentation/U...02-16-2010.pdf
Here is a link that shows all the cars that are supported by Osiris. You are looking for the second page, about half way down.
http://www.uprev.com/documentation/U...02-16-2010.pdf
Sure there is. That's a common myth. We tuned one last month.
Here is a link that shows all the cars that are supported by Osiris. You are looking for the second page, about half way down.
http://www.uprev.com/documentation/U...02-16-2010.pdf
Here is a link that shows all the cars that are supported by Osiris. You are looking for the second page, about half way down.
http://www.uprev.com/documentation/U...02-16-2010.pdf

I have an AM601 ECU, and it says on the document that support is not offered for AM604 or AM603 G35 coupe ECUs, but it is offered for later ECUs. The sedan has different a different ROM notation that what I've seen before.
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