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Type: Posts; User: johnny_b

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    Is there a write up for how to build a cable for...

    Is there a write up for how to build a cable for these using the ftdi?
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    Iíd bet money itís your cable. Other people have...

    Iíd bet money itís your cable. Other people have had issues whether diy cables or cheaper ones.

    I personally have a moates cable and while pricey ($80), Iíve never had a single issue. Iíve flashed...
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    In that case yeah odds are very likely you have...

    In that case yeah odds are very likely you have an exhaust leak causing corrupted o2 readings.

    So it’s adding fuel because it thinks it’s lean due to the fresh air entering the exhaust

    It’s...
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    O2s are supposed to oscillate in closed loop that...

    O2s are supposed to oscillate in closed loop that is normal

    450mV is “stoic”.

    If you had an exhaust leak before or near your O2s they would likely stay in voltages consistently below stoich
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    Ok thanks, I just wasn’t sure. Most rotors I’ve...

    Ok thanks, I just wasn’t sure. Most rotors I’ve done on these distributors are either a silver or copper color
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    Optispark rotor tip painted?

    I am in the process a reassembling a ‘95 firebird. I opened the distributor everything looked ok before I sealed it up.

    Am I crazy or is this rotor tip painted ?

    I cant get a resistance...
  7. 94-95 LT1 $EE Y-body vs. F/B-body PCM differences

    The Y body pcm has always had a different service number than the F & B bodies.

    is there a physical difference besides the number?

    can the F/B body PCM be flashed to a Y body calibration and...
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    The same can be said about tuning the VE table. ...

    The same can be said about tuning the VE table.

    From a controls and numerical methods perspective, once you achieve a converging amount of oscillation variance for changing your VE table, you...
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    Dave W is right about the EFI connection option....

    Dave W is right about the EFI connection option.

    I will add however that converting an LT1 to obd2 can cost as much or more then buying an entire used LT1 engine.

    but if you don’t have the...
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    You mentioned mega-squirt, look into speeduino....

    You mentioned mega-squirt, look into speeduino. It’s an arduino based ECM and is much cheaper than mega-squirt.

    My personal opinion, based off your intentions to use lt1 heads and intake why not...
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    What about exporting tunerpro data to a csv and...

    What about exporting tunerpro data to a csv and running it through steveo’s trimalazyer from fbodytech?
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    Similar experience with FIC. They don’t seem to...

    Similar experience with FIC. They don’t seem to understand the importance of this data for proper tuning. I will never purchse from them again.

    There is a company near me called deatschwerks, they...
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    Need more data to figure out exactly where to set...

    Need more data to figure out exactly where to set them, but it looks like your blm boundaries could use some tweaking. Youre not using a couple cells.

    playing with these helped my tune...
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    Post a datalog

    Post a datalog
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    Ok then your EGR is disabled, donít worry about...

    Ok then your EGR is disabled, donít worry about the 15%duty cycle your seeing as itís physically impossible for it to activate if itís not connect to the harness.

    also you may look at zeroing the...
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    You can always unplug the EGR and disable the...

    You can always unplug the EGR and disable the check engine light codes associated with it just to be sure.

    The enrichment you’re seeing sounds like cat protect. Afr goes rich to protect the cats....
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    One thing I would look at changing that doesnt...

    One thing I would look at changing that doesnt get mentioned much is the BLM MAP & RPM boundaries. From the factory they are set kind of weird. It really seems to help with part -throttle...
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    Glad you got it figured out, flashing a 6speed...

    Glad you got it figured out, flashing a 6speed bin is def the way to go.

    I would add, and steveo has documented this on his site,

    looking into the stall saver feature thats within the 6speed...
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    Edit: After looking further into JET DST I...

    Edit: After looking further into JET DST I realize i had it confused with a hypertech style programmer. I see now that it is a complete suite and looks fully capable. So disregard some of my post in...
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    Haven't had much time to play with anything, as I...

    Haven't had much time to play with anything, as I have about 5 weeks left in the semester.

    Given Kur40 knowledge of EE if he thinks the northstar icm is a step back then it most likely is so I...
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    It seems member dave w has come up with a...

    It seems member dave w has come up with a solution for the vortecs to run the 0411 pcm. The project looks rather affordable and simple. it requires the use of a vortec distributor combined with his...
  22. dave w this is awesome! I do 3d printing as well....

    dave w this is awesome! I do 3d printing as well.
    Anyways couldn't this setup also be used in an lt1 with a modified intake for a conventional distributor? 0411 is multiple coils correct?
    I'm very...
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    the northstar signals fed to icm seems it will be...

    the northstar signals fed to icm seems it will be complicated to nail unless we get some good scopes of the 3?
    if using the northstar icm will be a step back then,

    thinking from a hardware ,...
  24. Thread: EE dissection

    by johnny_b
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    could this be used to reduce the need for burst...

    could this be used to reduce the need for burst knock? given the lt1 was always thought to be lacking an AE routine?
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    maybe thats where the confusion lies another user...

    maybe thats where the confusion lies another user also has an xdf called eextra.
    anyhow, thanks I will report back on both when i have running vehicle to test.
    All these patches seem very...
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