Top Speed for an Ecoboost

[Elapid]

What's the top speed for a stock ecoboost with 3.15 & 3.55 and how much difference do you think a tuned ecoboost say 40 hp 100 tq would do ?

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[Dennis.P]

What's the top speed for a stock ecoboost with 3.15 & 3.55 and how much difference do you think a tuned ecoboost say 40 hp 100 tq would do ?

Well I can say my Premium with 3.31 is limited to 121. PP packages can get to 143(I believe). I've heard of tuned PP's getting to 155, about what the gt gets. Hope this helps man

 

[Nihil]

ecoboost has 3.31 standard, 3.55 with performance package.

 

[wireless]

^ false, according to my buddy at Ford
Base ecoboosts get 3.15's
Ecoboost Premiums get 3.31's
PP gets 3.55

 

[Juben]

The gear sizing varies depending on transmission and optional packages.

 

[DanFish]

My tuned Eco eith PP has gotten up to 160 and was still going but I slowed down once it hit 160.

 

[GoBlues38]

My tuned Eco eith PP has gotten up to 160 and was still going but I slowed down once it hit 160.

Man I wish I could drive to mexico like you where there are no speed limits.

 

[ahduckit]

My trips to Mexico I've done 130 in 4th gear at 6k rpm. Never had a need to go past that...yet

 

[TurboMetal]

^ false, according to my buddy at Ford
Base ecoboosts get 3.15's
Ecoboost Premiums get 3.31's
PP gets 3.55

Your buddy at Ford is wrong. My base ecoboost I ordered will have the 3.31 gear. The 3.15 is for the V6.

And here is the spec sheet:
https://media.ford.com/content/dam/fordmedia/North America/US/2015_Specs/2015_Mustang_Specs.pdf

 

[RobBaker]

Take a look at this spec sheet.

The 331 on the ecoboost is the standard rear for the 6 speed manual with the 355 with the pp.

With the auto ecoboost the 315 is standard with the 331 as an option.

It's interesting in that the spec sheet says 87 octane is the recommended fuel and it also states that it's 310 hp for the ecoboost.

 

[Juben]

Manual transmission (MT82):
3.31 - Standard
3.55 - Performance Pack

Automatic transmission (6R80):
3.15 - Standard
3.31 - Optional
3.55 - Performance Pack

 

[Elapid]

I know it went from 70-115 with a k&n drop in and the unleashed tune scary quick the other day

 

[TurboMetal]

Take a look at this spec sheet.

The 331 on the ecoboost is the standard rear for the 6 speed manual with the 355 with the pp.

With the auto ecoboost the 315 is standard with the 331 as an option.

It's interesting in that the spec sheet says 87 octane is the recommended fuel and it also states that it's 310 hp for the ecoboost.

Whoops my bad, I skipped the Automatic part :headbonk:

I'm pretty sure it even states 93 octane (when referencing HP) in the brochure, so yeah idk why they put 87 as recommended.

 

[dspenc8888]

^ false, according to my buddy at Ford
Base ecoboosts get 3.15's
Ecoboost Premiums get 3.31's
PP gets 3.55

That depends on of manual or auto. Premium Auto is 3.31

Just noticed there is lots of mixed information out there and Ford gave me the wrong info. Wow their service depts better become educated.

 

[dspenc8888]

That depends on of manual or auto. Premium Auto is 3.31

Just noticed there is lots of mixed information out there and Ford gave me the wrong info. Wow their service depts better become educated.

ok, checked my specs. ecoboost premium standard 3.31 for both auto and manual. base ecoboost standard manual 3.31 and auto 3.15 --per Ford build/price web (the spec sheet doesn't show ecoboost premium standards, only base)

I wish i did more research prior to purchase... mine was complete impulse once I saw 1st one on lot. i would have opted for performance pkg or at least some performance options.

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