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Is there more lag when running k04's on ko3 software?

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Old 01-16-2004, 12:06 PM
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Is there more lag when running k04's on ko3 software?
Old 01-16-2004, 12:08 PM
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Default There's a bit more lag on K04s than on K03s, but I don't think the software affects this at all.

And the increase in lag really isn't significant at all, IMHO.

-Dave Pramanik
Old 01-16-2004, 01:08 PM
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Default Yes, but not software related. Both software programs will run the wastegates fully closed

at low RPM/high load situations to spool up the turbos.
Old 01-16-2004, 05:55 PM
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Default So what is actually going on when KO3 software, in my case MTM, works with K04's?

So I am driving along in sixth gear, up a hill and slowly floor it, the MTM chip will demand maximum boost and tell the K04's to give it 15 lb. I noticed that driving in Colorado on K03's with MTM Stage yielded sustained boost of 15 lb with spikes of 17 lb. The K04's will give 15 lb of boost but with more mass flow rate. This will start to max out my fuel system causing me to run lean. This is the way I understand it.

So other than fueling increases do K04 chips raise boost levels over that produced by, lets say, an MTM Stage I chip running max boost of 1.0 bar???
Old 01-16-2004, 06:12 PM
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K04 software doesn't taper boost at redline like K03 does.
Old 01-16-2004, 08:54 PM
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Default Yes. Most K04 software runs 19-21 psi throught the entire RPM range (no tapering)

The fueling system is ofcourse upgraded to match the increased airflow.

-Dave Pramanik
Old 01-17-2004, 05:27 AM
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Wow 19 psi!!! That is great amount of boost pressure!
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