4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

First add on!

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Old 04-09-2012, 11:17 PM
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GT24
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Default First add on!

What should i do first to give my mustang a little more kick in acceleration. Before i get to expensive with like a supercharger. Any ideas??
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Old 04-09-2012, 11:29 PM
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BoomTown96
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Auto or manual? Rear end gears either 3.73s or 4.10s. Search the forum on this subject theres a ton of info.
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Old 04-09-2012, 11:30 PM
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mustangmancp
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I would look into gears. Either 3.73s 3.90s or 4.10s...this will help you the most right now. Then look into some Longtube headers and offroad midpipe. Only other "power" mod i would look into would be a 75mm throttle body and plenum (they will help when you get a blower and are pretty cheap).

Then i would just start saving for a supercharger (if that's what you really want).

Before you get a blower I would look into some suspension also (upper/lower control arms).
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Old 04-09-2012, 11:37 PM
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Rain
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The first thing you should do is take some time and read this article:

https://mustangforums.com/forum/4-6l...ach-1-a-4.html

Most people will tell you that the best thing you can do for the money to make an immediate noticeable difference will be to purchase a tuner from either BAMA (AmericanMuscle.com) or Brenspeed.

Other options include a cold air intake, gears, long tube headers w/ X or H pipe.

It seems you're looking to supercharge, so decide what your goal is performance wise, and how soon you may consider going that route.
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Old 04-09-2012, 11:38 PM
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school boy
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plus one on gears, 3.55s, 3.73s, 3.90s, 4.10s, or 4.30s. you choose the poison!
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Old 04-10-2012, 05:57 AM
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PurpleIcedGT
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Originally Posted by Rain
The first thing you should do is take some time and read this article:

https://mustangforums.com/forum/4-6l...ach-1-a-4.html

Most people will tell you that the best thing you can do for the money to make an immediate noticeable difference will be to purchase a tuner from either BAMA (AmericanMuscle.com) or Brenspeed.

Other options include a cold air intake, gears, long tube headers w/ X or H pipe.

It seems you're looking to supercharge, so decide what your goal is performance wise, and how soon you may consider going that route.
The car comes from the factrh with a cold air intake, can you explain thereasoning for mentioning this as something that would increase performance?
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Old 04-10-2012, 06:43 AM
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MCxQubed
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I agree with everyone else on gears. Use the search button to find out what gears you want because that question has been asked a million times and could be found easily
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Old 04-10-2012, 08:38 AM
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speedkills
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Gears and a tuner is a good place to start. Check out american muscle, they have some pretty good combo's.
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Old 04-10-2012, 07:08 PM
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Soldier GT
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Gears, Lt's, Short throw shifter, subframes, uca's, lca's and the list goes on and on!
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Old 04-10-2012, 09:58 PM
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JRad405
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Originally Posted by PurpleIcedGT
The car comes from the factrh with a cold air intake, can you explain thereasoning for mentioning this as something that would increase performance?
He has an '09. Don't those respond more to a CAI then our models?

@OP: Gears and if your wallet is large go for a supercharger.
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