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  1. M

    SCT X cal 3 issues

    I have had my sct tuner for about 2 months now. Messing with it on and off. Been trying to cure some top end rattle from about 3500-6000 rpms. Better than it was. Took timing down from 0-2k down -2 deg. took timing from 2-4k down -4 deg. took timing down from 4-8k down -6 deg. Tuned for +8 a/f...
  2. M

    2003 F 150 heads to put on my NPI car

    Getting a free 2003 complete 4.6 from a F 150. The heads should be PI correct? Wont be able to get the engine until next Monday to check. Anyhow assuming it is a PI engine, thinking about getting the heads shaved down a bit maybe .0020-.0030 or so to clean them up and help bump the...
  3. M

    torque converter lockup

    Would it be possible to manually control the lockup function of the converter, by adding a toggle switch in the wiring from the pcm to the tcc solenoid in the tranny? pin#9 by the manual i am looking at. I hate how the converter locks up in 3rd as soon as it shifts and drops off a lot of...
  4. M

    At a crossroad.....

    Ok, got my 96 gt cammed up and tuned up. Current setup as of 9/1/09 Stock internals/120k miles/good health comp XE274H cams/w springs and seals 4.10 gears built trans, stock lockup converter 24# injectors shorty headers, no cats h pipe and 3" exhaust w/no mufflers and turndowns typhoon...
  5. M

    Idle woes with new cams/need some suggestions

    Just installed my comp 274H cams on my 96 GT. Anyhow started up and broke the cams and springs in. idles fine at 800 rpm until i put the car in gear (auto) idle drops out to 500 then finally dies. Anyhow, i took the tps loose and manually adjusted the throttle set screw to around 1000 rpms. I...
  6. M

    Another Cam Question

    I need help deciding what cams to get for my 96 NPI. Comp 268H or Comp 274H? both at .500 lift for the NPI heads. I am gonna also put on a Typhoon manifold and NPI to PI manifold adaptors. I just dont know if a bigger cam without any internal work will help out? Price is the same. Also...
  7. M

    Theoretical Question

    My 96 gt is an automatic. I have basic bolt ons now, tuner, exhaust, h pipe, intake, plenum, t body, pi manifold. I have the stock 3.08 gear in the axle. I am on 245/45/17s. (Nitto 555Rs)If i am on flat ground and mat the gas the tires will turn over a few times and then launch like crazy...
  8. M

    NPI 4.6 camshafts

    Question, does my 96 have pressed on cam gears or bolt on gears? I cant tear down the motor to check before i order tha cams/gears i have to drive it everyday. I have found conflicting info while searching. I know the pi motors have bolt on cam gears, just unsure if my 96 does. Help will be...
  9. M

    4r70w

    I have a few Q's about the auto tranny in my 96 GT. 1st and 2nd feels like a real close ratio shift then 2nd to 3rd and 3rd to OD feels like it is a lot wider of a RPM drop than compared to 1 to 2 shift, is this normal for this particular tranny? I read in the search pages of how this is a...
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