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  1. Q

    Diablosport Predator Custom Tune Question

    I Have a 2001 GT with a Diablosprt custom tune installed. Does anyone know if the custom tune parameters can be changed by me using the handheld tuner rather than to have the custom tune modified by the shop that wrote the tune ? I have to reinstall the factory catted mid-pipe for inspection &...
  2. Q

    Help diagnose crank but no start condition....Fuel Pump or FPDM ?

    Hi all......I have a 2001 Mustang GT that has been sitting for a long time....roughly a year. I generally try to start it about once a month & let it run for a while or take it out for a drive (I work a lot). I've been reading through these forums recently & there definatley seems to be a...
  3. Q

    4.10 GEARS INSTALLED....HELP DIAGNOSE NOISE

    I recently had a local performance shop install 4.10 gears & a master bearing kit on my 2001 Mustang GT auto. There is a noticable "whoob whoob whoob" noise that can be heard upon decelleration only. No noise is present when accellerating or cruising. What's interesting is it's really pronounced...
  4. Q

    Ford Racing "B" springs

    After going back & forth on several different lowering springs, I decided to go with Ford's "B" spring. My question is regarding the actaul drop to be expected. Based on numerous photos of other mustangs, it seems that the "C" spring tends to drop the front a little more than the "B" spring...
  5. Q

    Anyone have this problem....squealing noise

    When running at wide open throttle, there's a pronounced squealing noise which sounds like your typical engine belt squeal. It seems to last for about 2 seconds then goes away. It only seems to do it when nailing it from highway speeds after the rpm's get to about 5,000 rpm's. While lookin under...
  6. Q

    Install new exhaust & less than impressed

    I recently installed a Mac O/R Pro-chamber & weld-in Flowmaster Super 40's on my 2001 GT. I went with this combo based on hearing it on another mustang & although it's has a nice tone, it's just not lound enough for me. I get compliments but have been more satisfied with set-ups on my previous...
  7. Q

    Someone reputable to install gears in NJ

    Can anyone recommend someone reputable to install gears in the southern New Jersey area ? I have Downs Ford about a half hour away from me but their labor is very high. I know a few people who claim they can do it,but I'm hoping to find someone who is qualified.
  8. Q

    Best lowering springs to use with Mach 1 shocks / struts

    I recently purchased a brand new set of Mach 1 shocks & struts for $180.00. I fiqured this was a great deal so I couldn't refuse. My car is a 2001 GT. My question is what lowering springs are proven to be a good ride when combined with these S/S? I've been looking at FMS B or C, Steeda Sports &...
  9. Q

    Best gear for 2001 GT w/Auto trans....4:10's ?

    Guys.....I'm looking for some feedback from those of you who are running 3:90, 4:10 gears, etc. in your Automatic mustangs. I'd like to know what RPM'S you're turning at various speeds (i.e. 60, 70 mph). Also, 1/4 mile trap RPM's in 3rd gear would be very helpful. Any additional thoughts or...
  10. Q

    Need Help Exporting Predator Tune To Computer !

    I'm going nuts here trying to send my mustang's original backup file to Runnin With The Devil to have a custom tune made. Does anyone know how to open a .frg file ? This is the file extension used by RWTD in various examples & what it defaults to when naming your file per RWTD's instructions on...
  11. Q

    Need Sound Advice.....car Sputtering

    I've been having an ongoing problem with my 2001 GT sputtering under acceleration since spraying the engine down with water while cleaning. Having cleaned many engines, I expected it to run rough for a little at first. There is still an intermittent hesitation in overdrive (auto) or while...
  12. Q

    Question About Platinum Spark Plugs

    I've read several posts on here stating not to gap platinum spark plugs. I just replaced my stock factory installed motorcraft platinum plugs with autolite 764 platinums. The gap call for .54 but the plugs out of the package were approx .44. The factory installed motorcraft plugs were gapped to...
  13. Q

    Help Diagnose Bucking While Driving

    I recently purchased a 2001 Mustang GT with an auto transmission. This is my fifth mustang & second auto. My fiance wanted to drive it & she can't drive a stick very well. The odometer read 12,400 miles at time of purchase. First thing I did was give it a complete detail including misting the...
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