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E85 Timing number on Stock IX Turbo

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Old Jan 21, 2011, 04:23 PM
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E85 Timing number on Stock IX Turbo

So I have a pretty much bone stock evo with a 9 turbo. I am running e85, and I am trying to get a good idea of what kind of peek torque timing numbers people have along with peek RPM timing numbers.

Currently I am at

1* = Peek Torque
16* = Peek RPM


The car does feel sluggish when approaching peek torque. According to VDR is it making about 250tq@3600 and holding until redline. So I knew there is more in it. ALso this is only at 21psi. But I am pretty sure the car shoudl be in the 300+tq range even at 21psi.
Old Jan 21, 2011, 04:26 PM
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Originally Posted by TheBoz
So I have a pretty much bone stock evo with a 9 turbo. I am running e85, and I am trying to get a good idea of what kind of peek torque timing numbers people have along with peek RPM timing numbers.

Currently I am at

1* = Peek Torque
16* = Peek RPM


The car does feel sluggish when approaching peek torque. According to VDR is it making about 250tq@3600 and holding until redline. So I knew there is more in it. ALso this is only at 21psi. But I am pretty sure the car shoudl be in the 300+tq range even at 21psi.
Why use such a low boost level with a fuel with such a high anti knock index?

The peak tq is low for such low boost. 1* at 28-30psi sounds about right though. For 21psi, you might consider 4-6*. Good Luck.
Old Jan 21, 2011, 04:40 PM
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I took a peek at some old data logs...

I was at

6* = Peak Torque
24* = Peak RPM

IX turbo on an VIII at 19/21 psi making VDR 324trq/377whp.

Keep bumping up your timing little by little and keep checking your VDR.


Old Jan 22, 2011, 08:43 AM
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Originally Posted by gkania
Why use such a low boost level with a fuel with such a high anti knock index?

The peak tq is low for such low boost. 1* at 28-30psi sounds about right though. For 21psi, you might consider 4-6*. Good Luck.

Just working on getting the tune to work before I start turning up the boost. A good foundation is the best way to start for me.

I also need to switch to big maps, I am still working from the oem map, which maxes out about 260 load. So once I have a good fuel and timing map, I will make the switch. Figured I would dial it in first before making the cut.
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