2015 mustang Gt automatic

[Revtastic]

Ok I would like everyones input I have a .2015 GT Automatic and the current gear is 355 ..what's the best gear i should buy to get my car out of the hole... current mods CAI and VMP tune ...should I go 390 ? I am lost

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[Revtastic]

Wow really no
One can help me.???

 

[DonnieO]

Skip the gear. Get some slicks.

 

[Revtastic]

Skip the gear. Get some slicks.

Those are coming but the car needs to RPM faster

 

[andrewtac]

Those are coming but the car needs to RPM faster

Then converter

 

[Momogt26]

I have a circle d 3b converter works just like the 3c for sale if interested. I was going to use it but I don't race so I have no need for it. PM me if interested 700.00 shipped

 

[Revtastic]

I have a circle d 3b converter works just like the 3c for sale if interested. I was going to use it but I don't race so I have no need for it. PM me if interested 700.00 shipped

What's the stall speed ??

 

[Momogt26]

What's the stall speed ??

3500-3700

 

[Jackson1320]

Add more power

 

[SonicBlur]

My car is a 6r80 with an Edelbrock blower and 3.73 (all installed by the previous owner) and it's just way too much. Highway driving is noticeably affected by the 3.73 so keep that stuff in mind.

 

[TX-Ripper]

Converter

 

[2015Etrac]

I just upgraded from 3:15 to 3:55 on my 6R80 car. I considered 3:73 but the consensus was that 3:73 is too much for auto cars due to their gearing. Some people seem to like them but I feel like the 3:55 is more than enough for most applications without making first useless or having high RPM on the highway. I think 3:55 is nearly equivalent to 3:73 on the MT82 cars with even slightly higher RPM's at 60mph? CJ Pony Parts has a calculator. I'm far form an expert on this subject but that was my take from the research I did when choosing a new diff.

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