Question about Performance Pack

[x_man586]

I don't mind the 3.73's I have them in my Lightning and the weight and transmission difference will guarantee a big fuel savings for me. The reason I don't like the performance pack is the staggered wheels. I want 4 wheels the same size. Another problem I have is with the price of the tires. I am currently spending $250 each and I want my mustangs tires to be noticeably cheaper.

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[deven2015GT]

3.73's may or may not be better/worse for gas mileage, depending on your driving style. It is very safe to assume if you don't have them now your mileage will go down just due to the difference in acceleration. I can take off from a dead stop in 2nd just fine, and do most of the time.

Honestly gas mileage is never an issue or concern for me, I'm not tuned but I still put the top 93 gas in my GT. If not I just saved what? $2 by getting 91?

For wheels, I looked at Vossen V3's and they aren't cheap...if you're going to go with SVE or AMR wheels you're in better shape but still $1,500 minimum, and I don't think the Brembo brakes will be had for less than $1k but could be wrong.

I read on the Mustang 2015 spec sheet (hp and torque still >420 >390) and it said that Premium Unleaded is the preferred choice of fuel (91 octane) and the Regular Unleaded is the minimum of course (87 octance). I assume also for better performance from the engine, you would want the higher octane. More combustion in the engine = more power created?

 

[Grimace427]

I don't mind the 3.73's I have them in my Lightning and the weight and transmission difference will guarantee a big fuel savings for me. The reason I don't like the performance pack is the staggered wheels. I want 4 wheels the same size. Another problem I have is with the price of the tires. I am currently spending $250 each and I want my mustangs tires to be noticeably cheaper.

3.73 gears in your lightning won't be anything like 3.73 gears in the Mustang. Different transmission ratios(4-speed vs. 6-speed) and vehicle weights.

Also you can replace the PP tires with anything you want after the originals wear out. Just because the stock tires are expensive doesn't mean those are the only choice you have come time to replace them.

 

[Husker]

I can't believe we are worried about gas millage with a Mustang! This is what computers, technology, and fancy graphs have done (not to mention society as a whole). Its meant to be a fun driven car, so who cares about 5-10 bucks a fill up.

I spend roughly 110km driving for work as I live outside the city, so its highway and lots of city with stop and go. I currently drive a 14 V6 with the 3.31's and drive and shift to have fun, not worry about fuel economy. Thats not why I bought it. If I spend so much time of my day driving I want to have fun while I do it. I have ordered a 15 GT with PP and can't wait to have more fun while driving.

Gas to me is a win lose battle. Looks like these prices (Ontario Canada) are staying for some time, so a couple bucks more to have a good drive isn't a worry to me.

I would say grab the gears and package and have fun driving. Thats why your getting a Mustang right? Also as another member mentioned, the package offers some good upgrades that would be more expensive if done afterwards. Good luck!

I was filling up my '12 Boss' at LEAST once a week.

Never thought about gas prices, that is, till it was time to fill up...I was always driving it like it was stolen...That is what 3:73 gears do to a person, it's such a rush punching it & feeling the G-Forces...So I vote YES on PP-->

3:73-->Good<->Fun & Bad<->$$$-->:shocked:

 

[Grimace427]

I was filling up my '12 Boss' at LEAST once a week.

Never thought about gas prices, that is, till it was time to fill up...I was always driving it like it was stolen...That is what 3:73 gears do to a person, it's such a rush punching it & feeling the G-Forces...So I vote YES on PP-->

3:73-->Good<->Fun & Bad<->$$$-->:shocked:

I have 3.73's and go about 3 weeks between fill-ups. Of course my work is less than 5 miles away.

 

[acgott]

I have 3.73's and go about 3 weeks between fill-ups. Of course my work is less than 5 miles away.

I'll be in the same boat. I work 9 minutes from my apartment, but I do drive on toll roads into work...

 

[OppoLock]

I don't mind the 3.73's I have them in my Lightning and the weight and transmission difference will guarantee a big fuel savings for me. The reason I don't like the performance pack is the staggered wheels. I want 4 wheels the same size. Another problem I have is with the price of the tires. I am currently spending $250 each and I want my mustangs tires to be noticeably cheaper.

A final drive ratio of 3.73 won't be comparable given your transmission's entirely different starting ratios.

I'd like less expensive rubber too, unfortunately you'll be making a huge compromise with the overall performance and driving characteristics of your car by opting for less expensive rubber. There tends to be a premium for low treadwear rating/high performance rubber.

 

[socal.2fast]

Did they'd say they are doing Brembo brakes? The few places I have looked at just say 4 piston brakes.

Anything on fords web site saying Brembo?

 

[MustangMitch]

Yes, 6 piston Brembo brakes on the PP.

 

[socal.2fast]

Great new! 6 piston Brembos on the Ecoboost PP as well?

 

[MustangMitch]

Actually no, looks like only the GT, the EB has 4 pistons.

http://www.mustang6g.com/forums/showthread.php/2015-ford-mustang-1747.html

 

[scottpe]

Great new! 6 piston Brembos on the Ecoboost PP as well?

Negative. The Ecoboost with PP gets the 4-piston brakes that are standard on the GT. Only the GT with PP gets the 6-pistons.

 

[GNS]

I don't like the staggered wheels on the GT performance package. I'd rather have the EB PP wheels instead.

 

[Trackaholic]

I read on the Mustang 2015 spec sheet (hp and torque still >420 >390) and it said that Premium Unleaded is the preferred choice of fuel (91 octane) and the Regular Unleaded is the minimum of course (87 octance). I assume also for better performance from the engine, you would want the higher octane. More combustion in the engine = more power created?

More octane doesn't create more combustion, but rather makes the fuel more resistant to combustion.

This resistance allows more timing to be run, which has the potential to increase power.

I say "potential", because as long as the 87 doesn't cause the knock sensor to pull timing, it will create the same power as the 91.

If the cost is a concern you could run 87 in the winter when intake temps are colder and therefore the engine is less likely to knock, and then run the 91 in the summer when the intake temps increase and knock may be more likely.

Knowing more details about compression ratio might help with the decision.

I would run 91 just for the peace of mind.

-T

 

[Brent302]

More octane doesn't create more combustion, but rather makes the fuel more resistant to combustion.

This resistance allows more timing to be run, which has the potential to increase power.

I say "potential", because as long as the 87 doesn't cause the knock sensor to pull timing, it will create the same power as the 91.

If the cost is a concern you could run 87 in the winter when intake temps are colder and therefore the engine is less likely to knock, and then run the 91 in the summer when the intake temps increase and knock may be more likely.

Knowing more details about compression ratio might help with the decision.

I would run 91 just for the peace of mind.

-T

93 here in Northern Virginia since most stations are 87 89 93. Not to mention the 10% Ethanol added Blegh.

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