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  1. Twisted

    ECU Learning Period?

    The back pressure would change. How does that effect o2 readings?
  2. Twisted

    ECU Learning Period?

    Factory exhaust. Weld in the cut-outs before the mufflers. So normal driving through the tail pipes. Flip the switch and open the cut-outs and dump prior to the mufflers. Will that sudden change mess up the a/f?
  3. Twisted

    ECU Learning Period?

    How long does it take for a computer to adjust to a exhaust change? I was thinking of adding electronic exhaust cut outs and was concerned that opening them and closing them will mess up the tune.
  4. Twisted

    Official Tremec 3650 Issues Thread

    Quick summary for any new comers. 1-2nd grind. Service bulletin for fluid level doesn't really help. TSB syncro/gear cluster rebuild kit really makes an improvement, but not 100%.
  5. Twisted

    Rear windows go down in a coupe?

    What is required to make the coupe rear windows go down like in a convertible? Do the parts swap over? Can you use the convertible window regulator and the coupe glass?
  6. Twisted

    How to adjust computer for 3:73 gears

    What are my options on changing the gear ration in the factory computer on a 2002 GT? Is there a programmer that can do it with out storing the factory tune? Basically I just want to change the gear ration and not have to buy a tuner.
  7. Twisted

    Will the GT500 engine fit in a 99-04?

    Building a forged 5.4 with a twin screw blower would cost some money too. Look at the 03 cobra's, swap on a KB and you have 600-700hp. How is the 5.4 going to react to a pulley change?
  8. Twisted

    Will the GT500 engine fit in a 99-04?

    Are the blocks on the 3V motors the same as the pre '05? Wonder if the GT500 engine will drop right in? Kind of like guys dropping an 03 cobra in a fox body. hmmmmm?
  9. Twisted

    30psi 4.6L

    When in increase the displacement. The EVO's are like 2.0L and it was stroked to 2.3L. Gearbanger, Would 30psi in a 2.3L=15psi in a 4.6L?
  10. Twisted

    30psi 4.6L

    I know 30 psi is insane. Just for comparison though. Give any engine 30psi and it should be a land missle. Give a larger displacement vs rice @30psi and what do you have?
  11. Twisted

    30psi 4.6L

    I was watching this video of an EVO running 33psi on a 2.3L stroker motor. They said like 600hp and he smoke almost everything. What would a 4.6L produce at 30psi assuming you built the motor to handle that much boost?
  12. Twisted

    Differential Oil Type?

    anyone else? What brand is best? Redline, Amsoil, Royal Purple?
  13. Twisted

    Differential Oil Type?

    What type of oil does the differential take? (I know it's 3.75 quarts plus 4oz of friction modifier.)
  14. Twisted

    What are all the parts needed for a rear gear swap

    Thanks Trout. Speedo calibration needed too? What is the easiest way?
  15. Twisted

    What are all the parts needed for a rear gear swap

    I am having a shop do it. Just wanted to know what parts were needed. What about the speedometer correction?
  16. Twisted

    What are all the parts needed for a rear gear swap

    Can you guys help me get a parts list together for a rear gear swap? Ring and pinion, do the FRPP kits come with shims? Shims Friction Modifier Rear gear oil, what type? Thanks,
  17. Twisted

    My Factory Oil Dipstick Is Junk

    I would like to know also. TTT
  18. Twisted

    '05 Transmission problems

    2005's have a Tremec 3650 right?
  19. Twisted

    Autometer Gauge Install Complete

    Did you have to hog out the area behind the gauges to get them to sit flush? Can you take a picture from the side to show how much gap there is between the gauges and pod? Thanks
  20. Twisted

    Official Tremec 3650 Issues Thread

    The fixed help. Cold= 40F or less.
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