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    EEC Tuner

    Talk to my friends over at www.stangtuning.com. They've helped me overcome some rather technical EEC issues.
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    Timing vs. AFR

    The effect is minimal, like 10th's of points, and that's short term effect...like most fuel pressure adjustments. There's this little thing called "adaptive control" that the EEC has that may "fight" your tuning attempts. If you're truly having AFR issues on a speed density car after you've...
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    How low can a Fox go?

    Racecraft now offers a new spindle that gives the car a full 2" drop, all while maintaining the stock geometry. Supposedly, they will accept all the aftermarket brake kits. Add these and you should be able to lay it right on the ground. Why? :shrug: But, to each, their own.
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    Need tuning help!!!

    Low vacuum can cause lean issues if it is picking up unmetered air. However, you might also have idle quality and other drivability issues. The question is, is 8 of vacuum appropriate for your cam and the effect of the blower? You know what? I just realized you have an '88. Is this a...
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    Need tuning help!!!

    There 'ya go. Simply changing a "calibrated" MAF is only one part of the tuning process. It'll get you up and running, but your stock computer calibration is still for 19# injectors, stock exhaust, intake, heads, and so on. Now, your computer does have a certain amount of adaptive...
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    Need tuning help!!!

    What have you done to recalibrate the computer for your mods?
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    Should I up my FP?

    Unless you have measured proof (wide band O2) that you are running lean at WOT, there is no need to bump the fuel pressure. If you are truly running lean, and assuming your fuel pump is sufficient, then you might want to consider larger injectors. Otherwise, your computer's adaptive control...
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    Another dreaded cold-air intake question.

    The AFM Power Pipe works well with the Pro-M shortie MAF and the Accufab race TBs. Both of these units feature a wide "mouth" and taper down to the actual opening for improved flow characteristics. I understand the importance of velocity once it passes the throttle body and enters the...
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    power chip

    Looking for cheap horsepower, huh? The only thing I can honestly recommend in the way of ECU performance upgrade is a dyno tune and ECU recalibration. Or, if you have the proper data logging and AFR monitoring equipment....a TwEECer, PMS, or the like. I don't know of any serious performance...
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    power chip

    No, no, no, no, no.....Only a ricer would fall for that one. Any reputable tuner will tell you that there is little to be gained from "tricking" the ECU with these little gizmos and others like them...and may even harm the engine. At certain part-throttle/cruise conditions and low load...
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    Another dreaded cold-air intake question.

    Cold air intakes do work. That is, those particular ones that actually let cool air into the engine and don't get heat-soaked from being inside the engine bay. The other thing to consider is the internal diameter of the intake pipe. That intake pipe should be at least as wide as your MAF...
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    Sandblasting Prep

    First of all, never use sand to "sand blast" a car. Use a plastic media. Sand hits the metal with such force that it can actually stretch/deform the metal panels. Plastic cleans it up every bit as well without damaging the panels. Ask any reputable vehicle restorer. As far as the...
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    Air/Fuel Issues

    So, I'm assuming the vehicle was running when you were pulling the air filter off and putting it back on...correct? Let me ask this. Is your MAF protected from the fan blowing air past it? (For example, a shield, air box, or inner fender well mount) Even Pro-M's site suggests that the meter...
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    Air/Fuel Issues

    67...MLP sensor out of range (E4OD) Neutral safety circuit failure. A/C circuit was on during self test. 68...Transmission Oil Temperature Switch failed open I see you have a 5-speed. These two are automatic transmission codes. Your computer wouldn't happen to be a A9P, instead of a...
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    BBK intake manifold?

    I just wrote a "nasty gram" to the 5.0 Mailbag for insulting our intelligence with this intake "test". The Edelbrock Performer RPM heads on this test vehicle skew the testing way off. They should have done the intake comparison on a stock vehicle, not one with a mismatched H/C/I. Better yet...
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    Check engine light and no self test...WTF?

    Insufficient grounding? Try taking a piece of 12-16ga stranded wire...stick one end into the small gray connector where you plug in your scanner...connect the other end to a good chassis ground or negative battery post. You should be able to run the self-tests. Apart from not being able to...
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    '88 GT Cali model w/ mass air - hesitation/stumble at high RPM WOT?

    Well,... 1. Check your TPS voltage throughout it's range from closed to WOT. 2. Throw a timing light on it and check the timing at different points...1000, 2000, 3000, 4000, and so on. See how the advance curve is, and also check to see how stable the timing is...if you have quite a bit of...
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    '88 GT Cali model w/ mass air - hesitation/stumble at high RPM WOT?

    Under load, the fuel and timing curves can be significantly different than when not under load. Typically, when reving the engine in the garage or even during part-throttle cruise, the timing may be advanced some 40* or more. Under load and WOT, however, timing is retarded to the mid-high 20's...
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    Cracked Performer upper...what are my options...& (starts-revs-dies)?

    Find a radiator repair shop. Those folks frequently weld aluminum.
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    Not able to pull codes

    Let me ask this. When you initiated the KOEO self-test, did you hear the fuel pump turn on for a few seconds and a few "clicks" of the various actuators? If not, you likely have an open ground somewhere. Take a piece of 12-16ga stranded wire, strip about 3/8" of the insulation off either end...
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