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    The Electric Turbo Camaro Project

    Check out the first 2 of a 4 part series as I install an electric supercharger on my Camaro:


    https://youtu.be/vmcuM5lu9CE


    https://youtu.be/QUfW7tNNWTI
  2. Tutorials for Basic and Advanced HPTuners Now Available!!!

    Hey guys. With all the toil I've gone through using HPT on my Camaro, I have finally compiled all the lessons learned and created 4 videos to explain the most important elements of tuning in a...
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    Because then you won't get any information on...

    Because then you won't get any information on idle or cruise and this is where 90% of your data points lie.

    If the AFR consistently goes THAT lean every time I'm in decel then yes I could do that....
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    I don't know if decel fuel trim would work in my...

    I don't know if decel fuel trim would work in my case because my car is running entirely in open loop. I can try to log it and see if it will register. Back in the old days there used to be a fuel...
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    Well, it seems I was wrong from the beginning. ...

    Well, it seems I was wrong from the beginning. It does look like HPT employed a means of properly filtering the charts. And it was staring me in the face the whole time. Thanks for the help. Now...
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    What do you mean by create a filter? I already...

    What do you mean by create a filter?

    I already have the chart made - it's the same sort of chart I use to log KR or spark... just RPM on 1 axis and MAP on the other. The only difference is that...
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    I don't see how that will work for what I'm...

    I don't see how that will work for what I'm trying to do. Let me demonstrate.

    What I actually want to do is: "If MAP > 94 and ECT > 85 and ECT < 95 THEN MPVI A/D Input 1" so if I'm...
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    Can you please show me an example of one of your...

    Can you please show me an example of one of your entire math statements that doesn't record a value when FALSE? If you show a complete example of something that works this way for you, I will be...
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    I'm not talking about cells with no data, nor am...

    I'm not talking about cells with no data, nor am I asserting that the chart assumes anything. The VCM scanner takes PID values that are chosen for logging and fits them into a given chart based on...
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    Thank you but I have read this already and all of...

    Thank you but I have read this already and all of the conditional statements that are supported return either 1 (if true) or 0 (if false). This means it will either leave the PID unchanged (if it's...
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    Can anybody help with this?

    Can anybody help with this?
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    Math Params - IF conditional

    Simple question - How do I get a PID not to log, if it's outside the conditional? So IF(MAP<90) THEN don't log AFR. Something like that. I already know how to use math in HPTuners and I already...
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    Still hoping someone will eventually reply... ...

    Still hoping someone will eventually reply...

    In the meantime, I just tuned a camaro 2.0T and have no idea what's going to happen:

    Intake:

    Values go from 10 to 20 between 0 and 6000 RPM
    ...
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    I half figured it out. It seems like, at...

    I half figured it out.

    It seems like, at least as far as the Intake Open is concerned, the more + the number is (whether it's represented as a negative or a positive number), the further the cam...
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    Using the above example, my thought process is...

    Using the above example, my thought process is this:

    The intake cam starts at 120, which right off the bat, makes no sense. 120 degrees.... what? BTDC? That can't be right - too early in the...
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    Well, the impetus for the original post was just...

    Well, the impetus for the original post was just to understand the tables in general. I just happen to be applying it to a Jeep at the moment but I'm confident that by understanding the scheme that...
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    Can someone please give me a hand with this? The...

    Can someone please give me a hand with this? The car I'm tuning is behaving funky and I don't know if it's the VVT or something completely unrelated I changed.


    I just want to know how to read...
  18. Thread: Log tune?

    by RRRocketMan
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    If you have a record button on your module it...

    If you have a record button on your module it means you have the MPVI PRO version of HPTuners. Assuming that the feature actually functions with your current version of the firmware, you need to go...
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    Understanding VVT tables

    In trying to tune the VVT tables (particularly the WOT intake and exhaust tables), I have tried very hard to read all the available literature on the subject but have yet to find a single post where...
  20. Has anyone put a scope on this pin to have a look...

    Has anyone put a scope on this pin to have a look at the square wave? I did and measured 0.5V peak to peak. That's really small and with the noise levels it makes it hard to pick up on the edge. ...
  21. It's under System>General>Fuel System Voltage. ...

    It's under System>General>Fuel System Voltage. Just change all the values in the table to 14.5. This will command a higher voltage for the pump. Not sure exactly how this is achieved...
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    I've scoured the tables in HPT and changed...

    I've scoured the tables in HPT and changed everything I can and still no effect. My last resort is to change all tables to 1.0 and see what that does. If it's still rich, I have to conclude that...
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    I misworded my question. What I meant was, in...

    I misworded my question. What I meant was, in every ECM, the computer figures out AFR by doing a calculation to determine what the IPW needs to be, which is the only thing the computer cares...
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    BTW, does anyone happen to know what the actual...

    BTW, does anyone happen to know what the actual formula is for AFR calculation?

    AFR = ________ ?
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    So a little update... I've cut down the top end...

    So a little update... I've cut down the top end of my VE table a good amount and reduced ALL PE entries to 1.04, which is nothing. I'm still still running at low 11.somethings according to my...
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