Ignition Timing and Horsepower

[charleswrivers]

Don't forget, the stickers add like 5hp each.. ?

Ironic! I just added at least 10 nuclear horses today.

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[charleswrivers]

Don't forget, the stickers add like 5hp each.. ?

I believe it’s pronounced:

 

[Myx]

There's an awful lot of ricer math going down in this thread.

You started this Derek. I can't explain to people why I'm running 13.4's while only making 230-240whp (Your dynos with like mods). I'll just tell them you advanced my ignition timing so far that I can't see it in Ktuner. Like the maf sensor being out of range.

 

[charleswrivers]

You started this Derek. I can't explain to people why I'm running 13.4's while only making 230-240whp (Your dynos with like mods). I'll just tell them you advanced my ignition timing so far that I can't see it in Ktuner. Like the maf sensor being out of range.

So...?

And see... that’s the difference between talking about it and doing it for a living.

 

[arnoldo]

told ya to switch to @KTuner my region ecu have ethanol available haha probably more features to come in the future.

I have no plan to switch to ethanol or inject WMI in my car because I may need to pre-order and wait for a month or two to get ethanol, especially during racing season start. This is daily driver and will not see any track day so it doesn't make sense to use ethanol for a daily car in my country.

Hondata and KTuner edit the same ignition table. Hondata just erroneously calls it "knock ignition limit", nor is it based on gear.

Nope. It's not by gear and I did mention I tried to "translate" it to KTuner language this thread is speaking in.

What I did was as simple as comparing datalog between stock and my custom tuned runs, filter by gear, average the ignition, and count the variance between stock and custom tuned.

 

[highroller]

Can someone share their a slightly tweeked ktuner 21psi with flex fuel tune here... Would be a good reference to start with.

 

[Gruber]

I would expect ignition timing doesn't need to be tuned very precisely because the maxima will be relatively flat.
Here is a diagram from a thesis showing the torque as a function of spark angle (SA) at five different rpm/engine load combinations. MBT is Maximum Brake Torque, which will also coincide with max power at each rpm. This is a fuel injected engine, but not DI, and not turbo, so not exactly what we are dealing with here, but the general behavior should be similar.

Btw. the goal of this work, was to create another control loop to tune the ignition timing based on the measured cylinder pressure.

 

[Ehtesham]

this discussion is the basic of custom tuning

 

[salik990]

this discussion is the basic of custom tuning

bhai i need help for custom tuning on Flashpro

 

[Ehtesham]

bhai i need help for custom tuning on Flashpro

You have me

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