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  1. M

    Seafoamed car and drastic mpg improvement, but idle is bad

    Hey all. Ran seafoam in my 03 gt the other day. 1/2 can in oil, 1/2 can in vacuum and 1 whole can in gas tank. Blew white smoke 80 feet in the air it seemed it was crazy. But after 400 miles I have a funny idle. For example and its in a pattern too..... Car is idling at 900rpms (which is...
  2. M

    How to tell if struts/shocks are bad with very stiff springs

    Hey all. I was wondering how to really tell if the struts or shocks need replacing when a car has bery stiff springs. I know people will chime in and say push up and down on the car and count how many times it bounces back and forth. But with springs like Eibach Sportlines, etc. The car isn't...
  3. M

    Need a battery mount,tray, something for optima yellow

    Hey all. I have a 34/78 Optima yellow in my 03 GT. And having issues now with it moving around. Because of moving purposes, etc I don't have the factory battery tray or the little extension things that came with the optima. So I basically had a ghetto rig in there until I have time to do it...
  4. M

    Found an issue with PCV hose? Quick Question

    I was looking at my pcv to see if it was heated or non-heated. Seems to be very very difficult to get a damn pcv valve for a 7 year old mustang. But O'Reilly's asked if it was a heated or non heated. Which I don't understand. If there computer is right than ford put heated pcv's on some GT's and...
  5. M

    Help, Fixed Exhaust leak after 3 codes, failed emissions

    Basically. I busted a exhaust leak on my passenger side exhaust flange and immediately threw 3 trouble codes. p1131 and p1151 on my 2003 Mustang GT. I can't remember the other code. Fixed the exhaust leak and the car sounds as good as ever. Reset computer and drove 75 miles with my know check...
  6. M

    P1131 and P1151 Code. Is it bad to drive with these codes thrown

    I got a major exhaust leak coming from the passsenger side exhaust manifold. I think at the x-pipe to manifold connection. So in return these codes were thrown within 24 hours of the noticeable sound. My car is already leaned out from a SCT tune. So is it bad bad to drive for a few days like...
  7. M

    Whats my towing capacity range gonna be on my 03gt in theory

    Allright we all know mustangs towing capacity is 1,000 pounds. Is this for V6's. GT's, or Cobras. When manufacturers determine a towing capacity. The factors that come in are weight of the vehicle, springs,shocks/struts, heavier sway bars. HP and Torque, tranny (auto or manual), axle ratios...
  8. M

    Drivers side window doesn't work

    This is on my 03GT. Anyone have any ideas, I never had a window door lock issue before. So I'm going at it blind. Passenger side window works fine. Josh
  9. M

    Will an 03 Alternator fit in a 97 4.6l

    1 of my moms cars is broke down. Its got a starting problem but I haven't had a chance to look at it. But will my old alternator out of my 03 gt fit in her 1997 4.6 Grand Marquis. Bad thing is its been sitting in a carport for 6 months or so. Thanks Josh
  10. M

    Did the former owners of X2C Motorsports start separate companies

    Some of you non newbies will probaly remember X2C Motorsports that was around for a few years. I think the story was it was 2 guys who owned and operate it and than had differences and they closed up. Mark Lutton I know was the main guy and brains behind it all. I imagine someone like him...
  11. M

    Need help adjusting cooling fan on/off temps on SCT Xcal 2

    Hey all. I have a custom mail order SCT Xcal 2 tune from Modular Powerhouse. The tune is about 2 years old, but I wanted to check or adjust the cooling fan on/off temperatures. I have a hypertech 160 degree thermostat. Now that summer is here, just want to check that and adjust it. I'm not...
  12. M

    Realistic, what did cat-back,plenum,tb and SCT give me in rwhp ?

    Mods are in signature. I haven't had my car dynoed in 2 years or so. And about a year ago I added a Magna-Pack catback and discarded my factory cat-back with flowmasters welded in. Added Accufab plenum and Accufab 75 MM TB. I discarded my Diablo off the shelf generic tune and added a Custom Mail...
  13. M

    Which ground is for the alternator

    "Any car that has a 3G or high output current alternator needs a 4 gauge ground wire running from the block to the chassis ground where the battery pigtail ground connects." Now I guess this might be a dumb question. I know we have a engine ground strap and a few other grounds like the...
  14. M

    Any tips to replacing License Tag Bulb ?

    1 of the bulbs that shines on the license tag went out on me. I'm not sure how to pull the bulb or housing out. The 2 screws are the plastic push in type crap and from inside the trunk its a little cramped and they just spin and spin. I'm not sure how to pull the bulb out or if I need to pull...
  15. M

    How to check struts/shocks for failure with stiff springs

    I know the test on pushing down on the car at the points where the struts or shocks are. Or pulling up and releasing but I have Eibach Sportlines and the car barely damn moves when I try that. I have 46,000 miles on my 2003 Mustang GT. Eibach Sportlines on since day one and still on stock...
  16. M

    Where is the factory ground for the rear amps ? Best grounding ?

    For my aftermarket amp. I'm using a ground under the seat because I removed the seat belts and seat belt brackets with the rear set delete. Not sure if this is the best grounding point. My ground is unpainted to bare metal and tight. My amp is mounted on the back of the passenger side where the...
  17. M

    Will the 2Point Mach 1 Strut Tower Brace fit a 03 GT

    I want a strut tower brace but I absolutely hate the look of the 4 point braces on our cars. Can't stand it. I know of course a 4 point is better than a 2 point strut tower brace. Is there gonna be a fitment issue with the 03/04 2 Point Mach1 strut tower brace on my 2003 GT. Thanks Josh
  18. M

    What tire pressure do you run in the winter ?

    Do you you guys run any different tire pressure in the winter/cold weather than in the summer? In the summer I run around 30 in the rear tires and 32-34 in the fronts. Not really worried about corner carving alot, but better traction and maybe a slight weight transfer with the height shifted a...
  19. M

    Rate your tires thread.............

    With so many different tires and new tires coming out. And the search engine filled with pages and pages of tire related questions. I figure we needed a "rate your tires thread". Not only current tires but tires you've had on your mustangs in the past. Minus the stock Gatorbacks, we all know how...
  20. M

    Help me choose BFG KDW 2'S 275/40/17 OR Nitto NT05 315/40 in rear and 275/40 in front

    These are the two tire options because those 2 tire setups I can get for $680 total plsu shipping. Since the Nittos run small I can run a 315/35/17 nitto on a 17x9 wheel. Opinions on which setup Thanks Josh
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