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Old 09-10-2012, 10:55 AM   #11
sporadic
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Quote:
Originally Posted by 1turbofocus View Post
I dont know why it is so hard for you to ask for help ? doing it here with steady logs and not seing the tune file is a waste of time and all speculation nothing more , guessing isnt going to help

I also agree you should never rev an engine to hit max MAF counts sitting still

Tom
Tom tell me exactly what PIDs you want me to log and I'll do that today then email you the tune file and log tonight.
What I don't desire is a tune file back saying "try this" without an explanation of what you did and the purpose behind it. I know you and other tuners can fix this in a heartbeat, but there is no reason for me to own the Pro Racer Package if you do my tune for me.

I don't mean to come off angry, it's just that everyone is completely ignoring my original post. By the way I did find the equation for Load from Greg Banish and I'll post that up later.
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Old 09-10-2012, 02:59 PM   #12
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Does the equation allow for you doing blowthrough and a MAFia ? You dont want to do a pre set equation you want to do load by what your load actually is

I can make changes and you can see what I chaged in the history and if you have questions just ask , I will answer them , call me I will talk over any questions

You can make the tuning easy or hard , most like to make it much harder then it has to be by reading into things more then whats needed , keep it simple , the engine in most cases will tell you what it wants / you need , if you are willing and know to look and listen to it

Tom
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Old 09-10-2012, 08:30 PM   #13
sporadic
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Quote:
Originally Posted by 1turbofocus View Post
Does the equation allow for you doing blowthrough and a MAFia ? You dont want to do a pre set equation you want to do load by what your load actually is

I can make changes and you can see what I chaged in the history and if you have questions just ask , I will answer them , call me I will talk over any questions

You can make the tuning easy or hard , most like to make it much harder then it has to be by reading into things more then whats needed , keep it simple , the engine in most cases will tell you what it wants / you need , if you are willing and know to look and listen to it

Tom
Tom you have an email.
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Old 09-21-2012, 09:36 PM   #14
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Talking we have fuel!

UPDATE

So the decreasing load and fueling issue is indeed directly related to setting the IMRC System Switch to "0".

This is what I changed (or not) in my tune to compensate for installing a new intake manifold with no flaps. You may be able to get away with leaving the spark tables alone, but personally I like to know exactly where the total spark value is coming from without guessing whether or not the PCM is actually adjusting for IMRC.

1) leave the System Switches\Scalar\IMRC Switch at "1"
2) Add the IMRC\Spark Adder to Borderline for IMRCs values to the Spark\Borderline Knock\Borderline Knock Table
3) Zero-out the IMRC\Spark Adder to Borderline for IMRCs values
4) Add the IMRC\Spark Adder to MBT Table for IMRCs values to Spark\MBT Spark\MBT Spark Table
5) Zero-out the IMRC\Spark Adder to MBT Table for IMRCs values
6) leave IMRC\IMRC Opening RPM as-is. This seems to no longer have an effect, as the "imrc open" flag is always "1" now in the logs, even at idle.

There are some tables under "Transient Fuel" which I did not touch.
I will update this thread if I feel there is anything else to add.

In closing, I will say that I DO NOT KNOW exactly why the PCM 1) negates the load calculation at the IMRC Open RPM position and 2) pulls fuel like crazy by setting the IMRC Switch to "0". Until I hear an explanation I am going to assume it is a bug in the SCT software.
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