4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

questions about my new 02 GT

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Old 10-05-2011, 03:08 PM
  #11  
Sean W.
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thank you for that TOMMY.


does anyone have any idea where i should begin trying to fix the starting problem?
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Old 10-05-2011, 03:37 PM
  #12  
JRad405
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Check fuel, tune up (plugs, fuel filter, clean maf). My car always started up a little rough when I first got it, but I did a tune up on it and it started up pretty well after that.

If you have $500 just fix your car first then work from there. You can buy a mod, but if your car isn't working it won't be too useful.
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Old 10-05-2011, 05:08 PM
  #13  
fastbackford351
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Yeah, I'm pretty sure my seat belt reminder dinged.

There was a whole procedure for disabling it. Something like turning the key on and off 4 or 5 times while running the windows up and down then pushing the eject button on the cd player


or something like that.
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Old 10-05-2011, 05:15 PM
  #14  
Sean W.
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i want to put an exhaust on it, but i am only going to do the mufflers, if i leave EVERYTING else stock, should i get Flowmaster 10s or 40s?
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Old 10-05-2011, 09:01 PM
  #15  
fastbackford351
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I'd suggest getting whichever ones are quieter. It'll still sound good and keep in mind that you have to live with them each and every single day.
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Old 10-05-2011, 10:26 PM
  #16  
Sean W.
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40s are quieter...
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Old 10-06-2011, 12:46 PM
  #17  
NewEdgeStang00
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Originally Posted by TOMMY01GT
Stock is 3.27:1

Available popular ratios are 3.73, 3.90, and 4.10

All of which will hurt fuel mileage, raise cruising rpms, and lower available top speed. Thats the idea with lower rear gears, they take some top speed, raise cruising engine speeds across the board, and you take a hit in fuel economy, for the gain of improved off the line acceleration, and acceleration fro ma roll.

With 4:10s, expect 80mph to be at around 2800 rpms in top gear.

With 3.73's, around 2600

With 3.55's around 2350

And stock 3.27's will put you right around 2100ish.

Tire circumference also plays a role in engine speed, you could see 3K with a shorter tire and 4.10's...
TOMMY that is great info! But that gives me a problem - I just got an 01 GT last month (entirely stock from what I'm TOLD). But at 2100 RPM I'm only doing 70 mph, at 2700 or so is when I'm going 80. I asked him when viewing the car but he said everything was stock.
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Old 10-06-2011, 07:12 PM
  #18  
Syracuse315
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Originally Posted by NewEdgeStang00
TOMMY that is great info! But that gives me a problem - I just got an 01 GT last month (entirely stock from what I'm TOLD). But at 2100 RPM I'm only doing 70 mph, at 2700 or so is when I'm going 80. I asked him when viewing the car but he said everything was stock.
Note your exact speed/rpm/gear and use this calculator: http://www.allfordmustangs.com/Detailed/608.shtml
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Old 10-06-2011, 07:39 PM
  #19  
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removed

Last edited by NewEdgeStang00; 10-06-2011 at 08:55 PM.
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