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Old 07-16-2013, 02:36 PM   #1
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After much debate...

I decided on getting 3.55 gears and install kit from AM over getting an axle-back.

I REALLY wanted the sound of an exhaust...but with no performance gains to be realized...I saw it as less of a priority. Heck, I didn't want to sound fast and be slow(er).

Next will be suspension and drive shaft...
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Old 07-16-2013, 02:38 PM   #2
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Get fast then sound and look fast
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Old 07-16-2013, 02:39 PM   #3
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Nice! What's you're current gear ratio?
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Old 07-16-2013, 02:53 PM   #4
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Stock 2.73.

---------- Post added at 01:53 PM ---------- Previous post was at 01:52 PM ----------

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Get fast then sound and look fast
That's what I was thinking. I race rc cars and laugh a little when guys buy every bling item and spend nothing on actually being fast.
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Old 07-16-2013, 07:04 PM   #5
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I decided on getting 3.55 gears and install kit from AM over getting an axle-back.

I REALLY wanted the sound of an exhaust...but with no performance gains to be realized...I saw it as less of a priority. Heck, I didn't want to sound fast and be slow(er).

Next will be suspension and drive shaft...
The 3:55's will be much better than the stock 2:73's you have now, but the reason why you didn't get the 3:73's is you wanted to keep your fuel economy. why did you buy a mustang and why are you thinking about supercharging down the road? If you wanted fuel economy...should got a Prius or something....lol
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Old 07-16-2013, 07:24 PM   #6
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The 3:55's will be much better than the stock 2:73's you have now, but the reason why you didn't get the 3:73's is you wanted to keep your fuel economy. why did you buy a mustang and why are you thinking about supercharging down the road? If you wanted fuel economy...should got a Prius or something....lol
Really? Sorry dude, the end of your response was pretty well...lacking in value.

The car is a daily driver. One of the draws of this generation Mustang is performance and decent fuel economy. No sense in modifying a car to the point that it wastes money the other 99% of the time it is used. I don't drive around looking to be the fastest a$$hat from one red light to the next.

Eventually, it will be supercharged. The 3.55's are better for that. Besides, I don't care for straight line performance. I have different plans. They don't include as aggressive a setup as 3.73's

Perhaps you should have purchased a GT?
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Old 07-16-2013, 07:34 PM   #7
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Really? Sorry dude, the end of your response was pretty well...lacking in value.

The car is a daily driver. One of the draws of this generation Mustang is performance and decent fuel economy. No sense in modifying a car to the point that it wastes money the other 99% of the time it is used. I don't drive around looking to be the fastest a$$hat from one red light to the next.

Eventually, it will be supercharged. The 3.55's are better for that. Besides, I don't care for straight line performance. I have different plans. They don't include as aggressive a setup as 3.73's

Perhaps you should have purchased a GT?
Lol. What he said.
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Old 07-16-2013, 07:54 PM   #8
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Really? Sorry dude, the end of your response was pretty well...lacking in value.

The car is a daily driver. One of the draws of this generation Mustang is performance and decent fuel economy. No sense in modifying a car to the point that it wastes money the other 99% of the time it is used. I don't drive around looking to be the fastest a$$hat from one red light to the next.

Eventually, it will be supercharged. The 3.55's are better for that. Besides, I don't cstraight line performance. I have different plans. They don't include as aggressive a setup as 3.73's

Perhaps you should have purchased a GT?
3.55s are a good choice also, a lot better acceleration than those sad 2.73s that's for sure! I'll be going 3.73s because its not really that much harder on fuel consumption compared to the 3.55s.
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Old 07-16-2013, 08:24 PM   #9
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True. But a tad more than I wanted. If I dragged, without a doubt my choice.

Everybody likes what they like. Nice thing is that I can go 3.73 any time if I change my mind.
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Old 07-16-2013, 10:25 PM   #10
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True. But a tad more than I wanted. If I dragged, without a doubt my choice.

Everybody likes what they like. Nice thing is that I can go 3.73 any time if I change my mind.
Nothing wrong with 3:55. I got rid of my 2:73 gears a few months back and installed 3:73 gears. I couldn't be more happy. Love them. As far as supercharging, should I do that down the road, my car is an automatic so the 3:73 gearing is not an issue because I'm not shifting. Having 3:73 gears is a kick in the teeth compared to those 2:73 gears.

Besides if you don't like your 3:55's you can always spend another 500 to 600 and have 3:73 gears installed. Its only money, you can make more bro.
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Old 07-16-2013, 10:34 PM   #11
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I decided on getting 3.55 gears and install kit from AM over getting an axle-back.

I REALLY wanted the sound of an exhaust...but with no performance gains to be realized...I saw it as less of a priority. Heck, I didn't want to sound fast and be slow(er).

Next will be suspension and drive shaft...
Are you auto or manual?

---------- Post added at 10:34 PM ---------- Previous post was at 10:32 PM ----------

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Stock 2.73.

---------- Post added at 01:53 PM ---------- Previous post was at 01:52 PM ----------



That's what I was thinking. I race rc cars and laugh a little when guys buy every bling item and spend nothing on actually being fast.
Yes but those cars don't start with 305 HP lol.
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Old 07-16-2013, 10:38 PM   #12
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Are you auto or manual?

---------- Post added at 10:34 PM ---------- Previous post was at 10:32 PM ----------



Yes but those cars don't start with 305 HP lol.
True! Lol

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Are you auto or manual?

---------- Post added at 10:34 PM ---------- Previous post was at 10:32 PM ----------



Yes but those cars don't start with 305 HP lol.
Slush box
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Old 07-16-2013, 10:39 PM   #13
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The 3:55's will be much better than the stock 2:73's you have now, but the reason why you didn't get the 3:73's is you wanted to keep your fuel economy. why did you buy a mustang and why are you thinking about supercharging down the road? If you wanted fuel economy...should got a Prius or something....lol
+1 concerned about mpg and not being fast as **** then why sc?? Confused?

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True! Lol

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Slush box
Lol!
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Old 07-16-2013, 10:49 PM   #14
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+1 concerned about mpg and not being fast as **** then why sc?? Confused!
Today. It is a daily driver today.
SC in the future...
While it is a DD, I care about a BALANCE of performance and efficiency.

Why are so many either surprised by this or incapable of grasping the concept as explained earlier?

---------- Post added at 09:49 PM ---------- Previous post was at 09:44 PM ----------

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Besides if you don't like your 3:55's you can always spend another 500 to 600 and have 3:73 gears installed. Its only money, you can make more bro.
Good thing is I trade out computer work for a shop...I only buy the gear.
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Old 07-16-2013, 10:51 PM   #15
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Today. It is a daily driver today.
SC in the future...
While it is a DD, I care about a BALANCE of performance and efficiency.

Why are so many either surprised by this or incapable of grasping the concept as explained earlier?

---------- Post added at 09:49 PM ---------- Previous post was at 09:44 PM ----------



Good thing is I trade out computer work for a shop...I only buy the gear.
O.k I guess, hey its your ride and money. Hope it all works out!
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Old 07-16-2013, 10:52 PM   #16
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Today. It is a daily driver today.
SC in the future...
While it is a DD, I care about a BALANCE of performance and efficiency.

Why are so many either surprised by this or incapable of grasping the concept as explained earlier?
+9999 most of these kids are just playing with mom and dads money...
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Old 07-16-2013, 10:54 PM   #17
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+9999 most of these kids are just playing with mom and dads money...
Who r u calling kids buddy???? I have kids. Lol
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Old 07-16-2013, 10:59 PM   #18
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Who r u calling kids buddy???? I have kids. Lol
just looking to get a rise... haha
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Old 07-16-2013, 11:02 PM   #19
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Who r u calling kids buddy???? I have kids. Lol
LOL...Mine is off to college and then the Navy...

Gave her the 2011 econo-box Focus for graduation, mom got my Kia Forte SX and I got the Mustang. Musical cars! But, I now have a fun platform to monkey with.

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just looking to get a rise... haha
Well done!

LOL

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O.k I guess, hey its your ride and money. Hope it all works out!
Me too!
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Old 07-16-2013, 11:18 PM   #20
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just looking to get a rise... haha
Good 1. lol.

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LOL...Mine is off to college and then the Navy...

Gave her the 2011 econo-box Focus for graduation, mom got my Kia Forte SX and I got the Mustang. Musical cars! But, I now have a fun platform to monkey with.

---------- Post added at 10:01 PM ---------- Previous post was at 10:01 PM ----------


Well done!

LOL

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Me too!
It will, and will be bad ***!
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Old 07-16-2013, 11:35 PM   #21
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I'm so freaking torn on which gearing to go with.

Here's my dilemma: If I get the 3.31 I can still have a Ford factory tune, so they can't bust my chops on potential warranty work. Plus the 3.31 would be nice for my 75% highway driving.

Or do I go with the 3.55 and have to buy the tuner for an extra $380 and have the potential for Ford to throw that at me if I have any warranty issues.

Is the 3.55 a drastic difference from 3.31 or is it not thaaaaat much of a difference?
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Old 07-17-2013, 06:48 AM   #22
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Stock 2.73.

---------- Post added at 01:53 PM ---------- Previous post was at 01:52 PM ----------



That's what I was thinking. I race rc cars and laugh a little when guys buy every bling item and spend nothing on actually being fast.
I got 3.55's and love them. You will too! Gas MPG didn't suffer too bad either.
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Old 07-17-2013, 08:37 AM   #23
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I got 3.55's and love them. You will too! Gas MPG didn't suffer too bad either.
I'm getting 26 to 27 mpg highway with my 3:73 gears. You will love anything over your 2:73 gas gears. They suck. You will love 3:55 gears. You will love 3:73 gears even more. 3:73 gears all the way. Maybe you will get 1 more mpg on 3:55 over 3:73 gears.

I must say it is interesting that people buy a 300 plus HP car, want to spend additional funds making the car faster as well as increasing the HP and torque yet concerned about the fuel milage. Why buy a mustang , mod it and be concerned about the fuel millage? It seems to me that if one wants a car to get over 30 mpg then don't mod your mustang or just buy a less powerful vehicle.

What kind of fuel millage are you guys looking to get?
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Old 07-17-2013, 09:34 AM   #24
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Just because I didn't want to drive a Prius doesn't mean fuel mileage can't be a consideration.

I wanted something a little exciting for the 25,000 miles I do per year.

I was asking because if there isn't that big of a performance difference between the 3.55 and the 3.31 then why not save a few bucks on gas per year.
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Old 07-17-2013, 09:48 AM   #25
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Just because I didn't want to drive a Prius doesn't mean fuel mileage can't be a consideration.

I wanted something a little exciting for the 25,000 miles I do per year.

I was asking because if there isn't that big of a performance difference between the 3.55 and the 3.31 then why not save a few bucks on gas per year.
Good point. If the driving pattern is more highway then stop/go city driving, then the 3:31 is a better choice for MPG. This is why my Mustang has a 3:31 rear gear setup; I drive 3 trips a week from Orlando to Tampa. The 3:55 would reduce my mileage enough to be a considerable factor.
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Old 07-17-2013, 09:51 AM   #26
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I'm getting 26 to 27 mpg highway with my 3:73 gears. You will love anything over your 2:73 gas gears. They suck. You will love 3:55 gears. You will love 3:73 gears even more. 3:73 gears all the way. Maybe you will get 1 more mpg on 3:55 over 3:73 gears.

I must say it is interesting that people buy a 300 plus HP car, want to spend additional funds making the car faster as well as increasing the HP and torque yet concerned about the fuel milage. Why buy a mustang , mod it and be concerned about the fuel millage? It seems to me that if one wants a car to get over 30 mpg then don't mod your mustang or just buy a less powerful vehicle.

What kind of fuel millage are you guys looking to get?
Thanks. I am looking forward to the improved performance. Especially in town. Downshifting to go up a small grade at 45mph makes no sense. These cars get out of their most efficient power-band in an effort to get to 6th gear as soon as possible.

Faster is relative. It doesn't matter how "fast" a car is. 99% of the time, I am doing the speed limit and going to or coming from work. It makes no sense to me to make a car "faster" to the point that it is wasteful for the cars purpose. When my car is no longer being used for commuting, all bets are off and I will care less for MPG. Until then, I choose to care about maximizing a balance of performance and fuel consumption. BTW, fuel economy is a performance metric in this case. And if you're street, drag or course racing, MPG is a NON-ISSUE anyhow. I am doing none of those today. I don't recall ever mentioning wanting to get 30MPG.

But hey, if you want to modify your car to achieve insane performance with no regard to cost of ownership that's your call. That probably confuses me as much as my caring about efficiency confuses some of you. The cool thing about cars like the Mustang...you can do a lot of crap to them simply because YOU CAN.

On a side note, the MPG ratings are done at average speeds below 50MPH with a limited "high speed" of 80. Seeing as how my commute is closer to the "high speed" category most of the time, 31MPG is a pipe dream. Detailed Test Information
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Old 07-17-2013, 10:21 AM   #27
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I see no reason why a person cannot have a mixture of both performance and MPG as a goal.

I'll agree that if maxed out performance is a persons goal, then MPG should not be their number one concern.

For me, I'm into making a bit more "fun" out of the V6, but I also want to do it with a consideration of MPG. I can easily sell my V6 and buy a GT, but it won't net me the MPG and fun that the V6 gives me now. I've always been a fan of V6's, having owned a Buick Grand National for many years; had plenty of power, beat quite a few of the V8's out there, and good mileage too.

After all, the 5.0 gets decent MPG if a driver keeps from planting their right foot on the drive by wire pedal.
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Old 07-17-2013, 10:31 AM   #28
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I see no reason why a person cannot have a mixture of both performance and MPG as a goal.

I'll agree that if maxed out performance is a persons goal, then MPG should not be their number one concern.

For me, I'm into making a bit more "fun" out of the V6, but I also want to do it with a consideration of MPG. I can easily sell my V6 and buy a GT, but it won't net me the MPG and fun that the V6 gives me now. I've always been a fan of V6's, having owned a Buick Grand National for many years; had plenty of power, beat quite a few of the V8's out there, and good mileage too.

After all, the 5.0 gets decent MPG if a driver keeps from planting their right foot on the drive by wire pedal.
+1
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Old 07-17-2013, 10:36 AM   #29
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Just because I didn't want to drive a Prius doesn't mean fuel mileage can't be a consideration.

I wanted something a little exciting for the 25,000 miles I do per year.

I was asking because if there isn't that big of a performance difference between the 3.55 and the 3.31 then why not save a few bucks on gas per year.
That's what I thought of too in the 3.73/3.55/3.31 debate (in my head). I don't drive 25K (well, 20-22) and that adds up very quickly.

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... I've always been a fan of V6's, having owned a Buick Grand National for many years; had plenty of power, beat quite a few of the V8's out there, and good mileage too.
Only a few V-8's?
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Old 07-17-2013, 01:21 PM   #30
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So then the real question is, what mpg are you looking for with your modded mustang? In my opinion if you get 26 mpg with 3:73 gears and get 28 mpg with 3:31 gears that only 2 miles per gallon more with having 3:73 gears. That's chump difference in milage all to get 2 more miles a gallon. Even based on 25,000k year miles, the difference in fuel cost is like $ 240 to 250 year. The fun factor in having 3:73 gears is worth way more than that. This is assuming you don't have 3:55 gears which you might only get 27 mpg so the savings is even less. If fuel mpg is important along with having performance then just leave the 2:73 gears on.
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Old 07-17-2013, 01:27 PM   #31
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^^^^^^^exactly!!! why mod if you're worried about gas mileage?
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Old 07-17-2013, 01:46 PM   #32
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^^^^^^^exactly!!! why mod if you're worried about gas mileage?
Because we can...you can have both. A few years back, vehicles were nowhere near the performance these Mustangs are getting, and at the mileage per gallon we see today. Running a 13 second quarter mile car in the 70's and 80's usually netted you a 13 MPG average. Today a 12 second street vehicle such as the GT gets in the 20's for MPG.
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Old 07-17-2013, 01:59 PM   #33
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Because we can...you can have both. A few years back, vehicles were nowhere near the performance these Mustangs are getting, and at the mileage per gallon we see today. Running a 13 second quarter mile car in the 70's and 80's usually netted you a 13 MPG average. Today a 12 second street vehicle such as the GT gets in the 20's for MPG.
True, but really one is splitting hairs when talking 3:31, 3:55 or 3:73 gears. The fuel mpg is very small amount difference but the thrill factor is a big difference when accelerating between 3:73 to 2:73 or 3:31
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Old 07-17-2013, 03:11 PM   #34
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Thanks. I am looking forward to the improved performance. Especially in town. Downshifting to go up a small grade at 45mph makes no sense. These cars get out of their most efficient power-band in an effort to get to 6th gear as soon as possible.

[/URL]
Mine is an Automatic with 3:31. I drive up 4500 feet every Saturday night. I use grade assist going up and coming down. In fact sometimes around town if I'm stop and go. You can switch it on the fly and it works great!
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Old 07-17-2013, 03:31 PM   #35
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Originally Posted by 2011 Kona Blue View Post
So then the real question is, what mpg are you looking for with your modded mustang? In my opinion if you get 26 mpg with 3:73 gears and get 28 mpg with 3:31 gears that only 2 miles per gallon more with having 3:73 gears. That's chump difference in milage all to get 2 more miles a gallon. Even based on 25,000k year miles, the difference in fuel cost is like $ 240 to 250 year. The fun factor in having 3:73 gears is worth way more than that. This is assuming you don't have 3:55 gears which you might only get 27 mpg so the savings is even less. If fuel mpg is important along with having performance then just leave the 2:73 gears on.
Quote:
Originally Posted by Harmon2011 View Post
^^^^^^^exactly!!! why mod if you're worried about gas mileage?
Quote:
Originally Posted by 2011 Kona Blue View Post
True, but really one is splitting hairs when talking 3:31, 3:55 or 3:73 gears. The fuel mpg is very small amount difference but the thrill factor is a big difference when accelerating between 3:73 to 2:73 or 3:31
The thing here is, you're placing more value on "thrill/fun factor" than I am. $250 a year is a couple of nice evenings with my family out at dinner. And I would prefer that over a little less time from one end of a race to another.
Why didn't you put 4.10's on? Those would have pulled A LOT harder than the 3.73's.
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