The not-so-offical EVO 9 ECU tuning thread
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Joined: Apr 2005
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From: Tx
Originally Posted by shiv@vishnu
Update:
We put another 400 miles on the car yesterday (back and forth to sacremento twice). The car performed flawlessly. The pull in 5th gear at 4500rpm is outrageous. Anywhere above 3000rpm, there is quite literally no perceivable boost lag. And with power building all the way to 7200rpm, there is a huge amount of useable power band. Right now, flywheel estimates are in the 350-360bhp range. We have some additional partial throttle MIVEC tuning we want to do today. After that we'll install the exhaust and see what we can ring out of it. And then back to the SMOG station.
-shiv
We put another 400 miles on the car yesterday (back and forth to sacremento twice). The car performed flawlessly. The pull in 5th gear at 4500rpm is outrageous. Anywhere above 3000rpm, there is quite literally no perceivable boost lag. And with power building all the way to 7200rpm, there is a huge amount of useable power band. Right now, flywheel estimates are in the 350-360bhp range. We have some additional partial throttle MIVEC tuning we want to do today. After that we'll install the exhaust and see what we can ring out of it. And then back to the SMOG station.
-shiv
Any initial results with exhaust?
So are you planning on the full 3" with a CARB legal cat then or are you going to try to pass smog with a HFC? And please tell me you hit 300whp on your dyno with just a flash and TBE w/HFC. It would totally make my day 
Terry S
Terry S
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From: Miami, FL
Originally Posted by shiv@vishnu
Still mapping the stock car. The exhaust isn't in yet. You guys want the job done quickly or right? 
shiv
shiv
Shiv - after reading your initial findings - I drove straight to 
and picked up a IX. I 'd like to place an order for a stock car, 93 octane flash please.
Originally Posted by Mike@Forge
The duration on the intake cam is constantly variable with the MIVEC, however.
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From: Danville/Blackhawk, California
Originally Posted by Terry S
I'm more interested in when the XEDE will be working on the IX. I'd much rather have that than a flash...
Terry S
Terry S
Remapping usually is the first step. This tells us what parameters need to be changed to get the desired outcome. Once that is established, we can see what needs to be modified/changed with the XEDE. MIVEC, for instance, is proving to be a very useful thing to manipulate judging by yesterday's and today's tuning. So useful that we plan on getting control of it via the XEDE. I'll post up some graphs/data later today if I get done in time. I'm surprised no one is really talking about it since the factory MIVEC maps are really unoptimized for power.shiv
Originally Posted by shiv@vishnu
Remapping usually is the first step. This tells us what parameters need to be changed to get the desired outcome. Once that is established, we can see what needs to be modified/changed with the XEDE. MIVEC, for instance, is proving to be a very useful thing to manipulate judging by yesterday's and today's tuning. So useful that we plan on getting control of it via the XEDE. I'll post up some graphs/data later today if I get done in time. I'm surprised no one is really talking about it since the factory MIVEC maps are really unoptimized for power.shiv
