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Type: Posts; User: Sammy_Johns

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    All my TBI stuff $200.00 OBO

    1 Good TBI Bushed throttle plate shaft with sensors
    1 box of TBI bones
    Minipro programmer
    5 EEPROMs
    4 computers one with socketed EEPROM
    1 ALDL cable
    4 injectors
    $200.00 OBO + shipping from...
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    Low Int and BLM

    In CL I seem to have low Int and BLM. I graphed my O2S output and it seems as though it will not get down to .1 Volt very often. I had read that swing between .8 and .1 was necessary for proper...
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    Idle issues and lots of knock

    After a year+ of repairing the more obvious issues on apreviously ignored vehicle, I'm trying to address my funky idle and high knock count.

    My idle cansometimes (rarely) be smooth as silk but...
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    One nut for EGR valve had backed off. No leak, no...

    One nut for EGR valve had backed off. No leak, no code. Imagine that!
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    Lots of knock - EGR CEL

    I am running a stock ASDU bin on a 7747 with SA and BPW hacks. Base timing is about 5* advanced. It recently started throwing a EGR Code and racking up the knock count. There's about 30 minutes of...
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    When I first swapped in this motor I paid a lot...

    When I first swapped in this motor I paid a lot of money to a mechanic to get this thing running good. Gave up after a couple visits and just put up with drivability issues for years.

    You guys...
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    Yes, wrong adx. Sorry, rookie move. The idle info...

    Yes, wrong adx. Sorry, rookie move. The idle info in the cop car bin is defined with Target RPM (AC on) = 563 RPM, (AC Off) = 550 RPM, so that’s not far off of where I am.

    I have a 1987 G20...
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    Well, there's definitely a difference in the C/L...

    Well, there's definitely a difference in the C/L Idle tables between the stock motor and the cop car. The ASDU table is what is in my bin at this time. The cop car idle table seems pretty high. Maybe...
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    Replaced my injectors with rebuilt ones from RB...

    Replaced my injectors with rebuilt ones from RB Remanufacturing. I did not have them tested, so I don't have data that says they have less difference in flow than the original ones, but the symptoms...
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    Fuel pressure - idle issue

    I made my regulator adjustable and have set my pressure at 11 PSI, the same as before I modified the regulator. I have done a couple of scrubs to my VE table prior to the regulator mods, and except...
  11. Smoothing VE table / Excessive Knock? - $42 – 7747 - ASDU

    I have been following Mark’s “Adjusting VE Fueling tables with BLM data Tutorial”. I manually smoothed the VE table, burned new PROM, collected about 80 miles worth of hwy and city driving, then...
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    Clean log files - .xdl please?

    If folks could post some .adx files that don;t show problems, it would be greatly appreciated. I would like to see what the numbers look like on a good tune and compare them to mine before I start...
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    Additionally, TP counts out a fault semi...

    Additionally, TP counts out a fault semi regularly. It doesn't show in the xdl that I can see. I had a similar thing going on in my Winaldl logs. Is that typical to see? Maybe that;s what is changing...
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    Idle adjustment

    I’m preparing for 1st datarun.
    I advanced my timing from 0° to 5° and then jumped terminals A and B to reset the IAC prior to adjusting idle.
    Question: Will the IAC continue to “click” even when it...
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    Idle “hunts” or rolls between 700 and 750 RPM in...

    Idle “hunts” or rolls between 700 and 750 RPM in PARK and 525 to 575 in DRIVE. It creates a lot of vibration that is transferred through my AC lines into my dash. As RPMs increase vibration smooths...
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    Ha! Nope, kids were yellin' "PIZZA! PIZZA!" so I...

    Ha! Nope, kids were yellin' "PIZZA! PIZZA!" so I made a u-turn to get one and BAM!
    Recently swapped in the 7747, it is marked "ASDU". Have been running with the 8746 and whatever came on it for 10...
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    Thanks much. I;m bakin' my a$$ off today down...

    Thanks much. I;m bakin' my a$$ off today down here in Boise. We're going for 104°F. Where you at?
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    New tuner in Boise

    '87 Chevy G20 Van - Campin' machine
    350ci cop car engine
    65pph injectors
    7747 ECU out of a 1990 G20.
    I also have 8746 from the cop car the replacement motor came out of (not installed).

    I am...
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