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  1. Don 95Vert

    computer

    You either need a 5 speed computer or a chip to shut off the auto tranny functions... Don
  2. Don 95Vert

    Using ST fuel trim to determine AFR???

    That just tells you what is commanded at WOT, not what you are actually getting. Actually the calculation is correct, except it's not short term trim times lambda value, it's stoich point of the fuel times lambda - but in your calculation it is correct because you used the stoich point of...
  3. Don 95Vert

    Computer Question

    Yes they are interchangeable - from auto to manual, but not the reverse - you do need a chip if using an auto PCM in a manual to shut off the auto functions. The VSS is necessary for both auto and manual cars. Don
  4. Don 95Vert

    SCT 2 XCal Problem.

    They ARE VIN locked, but if you flash it back to stock, you can use LiveLoad yourself to unlock it after that. If the vehicle is NOT flashed back to stock and then used on another car it must be sent back to SCT, for $150 + shipping to have it unlocked. Dealers cannot do this. I have had SO...
  5. Don 95Vert

    SCT Xcal 3 question...

    Normally on SCT base files on 2v cars the rev limit is set for 6500 - that doesn't mean take it there all the time, but SCT feels this is a safe rev limiter for that motor. Don
  6. Don 95Vert

    laptop/SCT Question?

    The slowest laptop I ever used for SCT stuff was an 800 Mz machine and it was acceptable. I also tried a 400Mz machine once and it was NOT acceptable, but it was with Advantage 2.9 - which was less memory and resource hungry than 3.0. If it were me, I'd pass on it and save up to get something a...
  7. Don 95Vert

    SCT 2 XCal Problem.

    Well, if it was not used... then something is amiss with it because normally brand new usnits that have never been used have 5 changes left in them. Looks to me that is was used on two different vehicles. Sometimes when you get that error, it means a tune file is missing, other times the unit...
  8. Don 95Vert

    Cobra swap computer question

    Nevermind - I didn't see originally you had a Cobra PCM - it should run just fine... Don
  9. Don 95Vert

    90mm MAF

    No, it would not adapt for different injectors. Ford's adaptive schemes in the older than '08 processors is only there to adapt for normal wear on 02 sensors, MAF, etc. Not different injectors. The '08 Bullit on the other hand has an amazing adaptation scheme and some claim what's done in the...
  10. Don 95Vert

    90mm MAF

    The 03 Cobra MAF and 90mm LMAF are virtually identical so for $35 it's a really good deal. Don
  11. Don 95Vert

    new throttle body-high idle,and hanging rpm's

    Since idle is a 'learned' function, that answer is partially correct - you need to clear the KAM -a nd messing with the stop screw throws the TPS off - normally the TPS value is reset in the PCM at key-on, but if it is off by too much, you need to readjust it to 0.9-0.99. Here is the procedure...
  12. Don 95Vert

    rev limiter

    It pulls fuel. The only way to remove spark is with an aftermarket electronic ignition system. Pulling fuel is not dangerous though - it pulls so much fuel that there is very little energy available to hurt parts - fuel=energy. Ford tests cars on the track by holding them on the limiter for 30...
  13. Don 95Vert

    XCAL TUNER AND 4.10'S

    As long as the gear ratio is flashed in the processor on 99+ Mustangs, the speedo AND the shift points are corrected. Don
  14. Don 95Vert

    Tuner choice / 91 octane adjustment

    Tough choice - I have heard nothing but good about Sniper too - we'd like to carry Sniper, but I have been too busy to get all the info and get it going. FWIW - here is one of our 'mail order' tunes - although the owner actually did make some changes up top himself, you results may vary...
  15. Don 95Vert

    Tuner choice / 91 octane adjustment

    Why not a custom tuned X3 for the same price as canned tunes? We do a lot of 2v 91 octane custom tunes - and with a custom tune, you can datalog, send the log to the tuner and have the tuner email you updates if they are needed. Dunno if all SCT dealers do this, but we do. Don
  16. Don 95Vert

    anyone get a 4R70W to work with a Stock 94/95 ECU?

    I did it n my car - and a bunch of customer's cars too. Don
  17. Don 95Vert

    2003 Cobra supercharger issue

    First, if you do get a tune for it, be sure whoever tunes it uses the AMZ2 box code - it's the latest '04 code from Ford that uses factiory calibrations to get rid of hesitation. With you combo, a mail order tune would probably be fine - '03 Cobras are about the easiest cars t tune if they are...
  18. Don 95Vert

    Changing Fuel Pressure with Computer?

    You CAN raise FP to make the injectors act like bigger injectors at WOT. But you will fight the PCMs 'job' to keep the A/F at 14.64 at idle and part throttle. In fact if you go too high with FP you'll throw codes because it'll only trim values about 20-25% or so at idle and part throttle...
  19. Don 95Vert

    Mass Air REcalculator (Diablo Sport) ???'s

    I never like to use them on anything over setting #3 (maybe #4 sometimes)because they then become difficult to tune because any adjustments you make tend to get magnified - increasing tuning time. On setting #3 you get 41% more range so with a 90mm LMAF, that'll get you to about 630 RWHP - which...
  20. Don 95Vert

    Mass Air REcalculator (Diablo Sport) ???'s

    Maybe if you are electronic's whiz you can duplicate the internal components Diablo uses, but why go through the trouble. They work really well and are trouble free - a really nice design. We use them all the time on cars that peg the MAF. You can use a bigger tube with MAF electronics to...
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