Why do people put down the 2.73's? - Mustang Evolution

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Old 04-29-2015, 11:45 PM   #1
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Why do people put down the 2.73's?

They are great. Get to redline in a jiffy! I'm putting down 289 rwhp and enjoying the 2.73!


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Old 04-29-2015, 11:51 PM   #2
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You had the car on a dyno?
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Old 04-29-2015, 11:55 PM   #3
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Yup


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Old 04-30-2015, 01:28 AM   #4
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good numbers but don't see what that has to do with putting down 2.73's... but if you plan on racing at the track... those arent helping you at all... but if you do a lot commuting and enjoy the mpg's then awesome
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Old 04-30-2015, 07:53 AM   #5
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When we test drove my fiance's v6 i told her she had missed 3rd and went into 5th, because we were under 3k at 50 mph ... nope, she was in 3rd. 6th gear isnt even useable under 75 mph, those are awful gears for anything other than hyper mileing.
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Old 04-30-2015, 08:24 AM   #6
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With the2.73's the manual tranny is basically only a 4 speed. 5 and sixth are pretty useless. I would use 5thcruising on the freeway, to be honest I never used 6th gear. There is literally no power. With the 3.73 gears all six speeds are plenty usable.6th gear has a little power on tap if you happen to need it.
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Old 04-30-2015, 09:11 AM   #7
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2.73's ... cause only race cars can hit 130 in 3rd gear in an MT82 car.
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Old 04-30-2015, 09:59 AM   #8
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Although I'd prefer at least a 3.31, I don't completely hate the 2.73s. I was able to run a 13.8 with them with a tune, otherwise completely stock.
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Old 04-30-2015, 10:05 AM   #9
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Is 6th that much taller in the manual than the auto?


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Old 04-30-2015, 10:13 AM   #10
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No, they're almost the exact same, but the difference really comes in when comparing the torque converter / clutch.
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Old 04-30-2015, 10:35 AM   #11
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I mean, in my car, in a few seconds in already at 4-5rpm in 1st, similarly for second... By -60 mph I'm barely shifting into 3rd and it feels quick enough. Isn't the power (torque) more efficient in this manner? Why would I want to shift more to cut into my time?


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---------- Post added at 08:35 AM ---------- Previous post was at 08:34 AM ----------

And by the way, why was a corvette revving and trying to egg me on on freeway this morn? Did he not see the big 3.7 emblem? Lmao


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Old 04-30-2015, 10:38 AM   #12
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Here we go again...lol!! In my automatic, I too thoroughly enjoyed my 2.73's! I love the 3.73's I now have....but I do miss cruising with the 2.73's also!!


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Old 04-30-2015, 10:41 AM   #13
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Not really, fuel increases with rpms. I can shift my 5.0 at 2000 rpms or less and keep moving along just fine. Lower revs is always better, thats why the stupid torquey LS motors can chug down the freeway at barely over idle and some get damn near 30 mpg from 6.0+ liter motors.

The lower you can shift, the better. Since you obviously cant increase the torque of the 3.7 in any significant amount, the next best thing is torque multiplication through gearing. Now, you end up with higher cruising rpms, which means reduced mileage, but gas used during acceleration efforts should drop off substantially.

The corvette was probably trying to race you because you're redlining every gear instead of shifting normally.
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Old 04-30-2015, 10:41 AM   #14
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Quote:
Originally Posted by sticks123 View Post
Here we go again...lol!! In my automatic, I too thoroughly enjoyed my 2.73's! I love the 3.73's I now have....but I do miss cruising with the 2.73's also!!


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I agree with you on this. After having the 3.73's I think for a DD they are a little much. Don't get me wrong I really do like them and what they did to my car, but if I had to do it again Id do 3.31 or 3.55.
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Old 04-30-2015, 10:44 AM   #15
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Originally Posted by Midnight2012 View Post
Is 6th that much taller in the manual than the auto?


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When I would be on the freeway doing 80 ish in a basically a straight line on a flat road, fine. If I was going even a little uphill or want to pass, I would step on the gas and there was nothing there, it was "mush". Now with the 3.73 gears I could cruise 80 in 6th and still have a little power below my foot.
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Old 04-30-2015, 01:58 PM   #16
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When I would be on the freeway doing 80 ish in a basically a straight line on a flat road, fine. If I was going even a little uphill or want to pass, I would step on the gas and there was nothing there, it was "mush". Now with the 3.73 gears I could cruise 80 in 6th and still have a little power below my foot.

Well at least you could downshift to 4th or even 3rd if necessary. Part of the manual experience is it not? With 6th being an over drive gear so to speak. I can downshift in my auto but since it's a 2012 I'm stuck with whatever gear the computer chooses for the speed I'm traveling.


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Old 04-30-2015, 02:07 PM   #17
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Well at least you could downshift to 4th or even 3rd if necessary. Part of the manual experience is it not? With 6th being an over drive gear so to speak. I can downshift in my auto but since it's a 2012 I'm stuck with whatever gear the computer chooses for the speed I'm traveling.


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Press the button on the side of the shifter to lock out 6th if you want to run in 5th.


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Old 04-30-2015, 02:21 PM   #18
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2'73s are not a horrible gear just need to learn how to drive them effectively. Is it ideal for performance... No of course not. But it's a good mix of you want mpgs too with performance.

For example if your in 5th or 6th might have to downshift 2 gears to get the power you want. It's all about knowing your powerband.




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Old 04-30-2015, 03:49 PM   #19
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Originally Posted by StarzTA17 View Post
2'73s are not a horrible gear just need to learn how to drive them effectively. Is it ideal for performance... No of course not. But it's a good mix of you want mpgs too with performance.

For example if your in 5th or 6th might have to downshift 2 gears to get the power you want. It's all about knowing your powerband.




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Well said ... If I'm in 5th or 6th and I wanna pass i downshift to 3rd or 4th
Simple solution


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