Why doesnt it say V6 3.9? - Ford Mustang Forum
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post #1 of 44 (permalink) Old 08-19-2013 Thread Starter
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Question Why doesnt it say V6 3.9?

I have an 04 V6 3.9 but it only says 2.3-3.8?

Also, what are the differences between the 3.8 and the 3.9 V6? Most people dont believe me or probanlt just think that Im a girl and I dont know what Im talking about but hopefully people on here know there really is a 3.9... I'm guessing its only referring to size rather than performance?
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post #2 of 44 (permalink) Old 08-19-2013 Thread Starter
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Or should I go to a different section..?
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post #3 of 44 (permalink) Old 08-19-2013
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First off welçome afm

Secondly awesome to see a girl my age knowing about muscle car and not just loving dudes who drives em lol

To answer your question the 3.9 is an actualy engine size. i believe it is the later model in 2004? Not sure of the exact year but the 3.9 is an actual engine and no bs.

a man's most expensive hobby started with a 97 cent hotwheels

1999 saleen s281sc vert 11k miles #261/421 built 1/170 vert 1/10 exact combo
2000 Roush v6 sport 78k miles
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post #4 of 44 (permalink) Old 08-19-2013
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The difference is inside the engine block. It has a slightly different crank shaft so the stroke is a tad longer. Not enough to make a difference in power. Everything else on the engine is the same as the 3.8L.

2003 3.8L V6 4R70W
Windstar Upper Intake with cool-air intake, MAC LT headers, BBK O/R H-pipe, and flow 40s, SCT tuner, FRPP Alum. D/S, 3.73 gears, Auburn HP limited slip, and Team Z LCAs, Eibach sway bars.
Best 1/4 time: 15.036 @90.92mph, 2.148 60'
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post #5 of 44 (permalink) Old 08-19-2013
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Quote:
Originally Posted by Markstang690 View Post
The difference is inside the engine block. It has a slightly different crank shaft so the stroke is a tad longer. Not enough to make a difference in power. Everything else on the engine is the same as the 3.8L.
Size matterselmo.gif

a man's most expensive hobby started with a 97 cent hotwheels

1999 saleen s281sc vert 11k miles #261/421 built 1/170 vert 1/10 exact combo
2000 Roush v6 sport 78k miles
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post #6 of 44 (permalink) Old 08-20-2013 Thread Starter
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Haha okay, Im thinking about putting a loud mouth on it, will it be louder than the v6 3.8 with a loud mouth? Also what gas does everyone use? I put 89 and 93 in my baby and she takes off best on 93 Premium is that what is meant to be put in the v6 3.9 and either way why would I feel the difference? 87 felt too shaky and it seemed like I was moving slower.. maybe thats self fulfilling prophecy though??
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post #7 of 44 (permalink) Old 08-20-2013
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Welcome to AFM from the Chicago south land. I think it's cool as hell that a woman knows a lil about cars I run 87 in my 4.0 and think it runs good . when I had my '06 (my username) ran 87 in her too and had a Bamma tune I need to get a tune for my 09 (ONX)

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Yes I know my user name doesn't match my car color
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post #8 of 44 (permalink) Old 08-20-2013
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If youre going to do mods go the full mile on exhuast setup not just mufflers. Also it depends on what your car is tune for. My saleen wont take anything other than premium. Itstoo spoiled. On the other hand my roush will take anything I put in it.

a man's most expensive hobby started with a 97 cent hotwheels

1999 saleen s281sc vert 11k miles #261/421 built 1/170 vert 1/10 exact combo
2000 Roush v6 sport 78k miles
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post #9 of 44 (permalink) Old 08-20-2013
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It's probably your imagination on the 93 vs 89 thing. On the exhaust, I always say if you're going to do the exhaust, do it right the first time. After a while, I bet you'll get bored of just the one muffler and want duals.

2003 3.8L V6 4R70W
Windstar Upper Intake with cool-air intake, MAC LT headers, BBK O/R H-pipe, and flow 40s, SCT tuner, FRPP Alum. D/S, 3.73 gears, Auburn HP limited slip, and Team Z LCAs, Eibach sway bars.
Best 1/4 time: 15.036 @90.92mph, 2.148 60'
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Quote:
Originally Posted by Markstang690 View Post
It's probably your imagination on the 93 vs 89 thing. On the exhaust, I always say if you're going to do the exhaust, do it right the first time. After a while, I bet you'll get bored of just the one muffler and want duals.
And after hearing 4 exhaust on the boss you get sad with only 2

a man's most expensive hobby started with a 97 cent hotwheels

1999 saleen s281sc vert 11k miles #261/421 built 1/170 vert 1/10 exact combo
2000 Roush v6 sport 78k miles
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Quote:
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And after hearing 4 exhaust on the boss you get sad with only 2
them cutouts

2003 3.8L V6 4R70W
Windstar Upper Intake with cool-air intake, MAC LT headers, BBK O/R H-pipe, and flow 40s, SCT tuner, FRPP Alum. D/S, 3.73 gears, Auburn HP limited slip, and Team Z LCAs, Eibach sway bars.
Best 1/4 time: 15.036 @90.92mph, 2.148 60'
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Quote:
Originally Posted by Markstang690 View Post
them cutouts
One day im just going to sell the house and slap a 747 jet engine on the stang and call it a day elmo.gif

a man's most expensive hobby started with a 97 cent hotwheels

1999 saleen s281sc vert 11k miles #261/421 built 1/170 vert 1/10 exact combo
2000 Roush v6 sport 78k miles
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how bout a helicopter's turboshaft engine

2003 3.8L V6 4R70W
Windstar Upper Intake with cool-air intake, MAC LT headers, BBK O/R H-pipe, and flow 40s, SCT tuner, FRPP Alum. D/S, 3.73 gears, Auburn HP limited slip, and Team Z LCAs, Eibach sway bars.
Best 1/4 time: 15.036 @90.92mph, 2.148 60'
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post #14 of 44 (permalink) Old 08-20-2013 Thread Starter
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Thats whaf I want! Like lightspeed n my bro has dual exhaust on his he wont even give me the loud mouth off one side!
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whats he gonna do drive with one muffler and one straight pipe? lol

2003 3.8L V6 4R70W
Windstar Upper Intake with cool-air intake, MAC LT headers, BBK O/R H-pipe, and flow 40s, SCT tuner, FRPP Alum. D/S, 3.73 gears, Auburn HP limited slip, and Team Z LCAs, Eibach sway bars.
Best 1/4 time: 15.036 @90.92mph, 2.148 60'
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