2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

3.55 vs 3.73

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Old Feb 15, 2008 | 07:22 AM
  #21  
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Daniel60
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From: Small walk way by big walk way
Default RE: 3.55 vs 3.73

The Bullitt has the 3:73's what could be wrong about that?
Old Feb 15, 2008 | 07:26 AM
  #22  
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Daniel60
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From: Small walk way by big walk way
Default RE: 3.55 vs 3.73

What I understand the 3:73s' are the perfect gear. I have the 4:10s a course I'm not perfect.

Old Feb 15, 2008 | 07:30 AM
  #23  
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Daniel60
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From: Small walk way by big walk way
Default RE: 3.55 vs 3.73

Getting it done.



Who knows what Steve had but he created one kool *** car chase.
Old Feb 15, 2008 | 07:33 AM
  #24  
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S197steve
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From: TEXAS
Default RE: 3.55 vs 3.73

Hmmm... from what I'm reading there seems to be a difference of opinion. I guess the only way to really find out is to get some 3.73s haha. It's a relatively inexpensive mod so I might just go for it in the coming months. If I do, I'll make sure to give a good before/after review with some 0-60 and 1/4 mile times....

Thanks for all the advice and opinions...
Old Feb 15, 2008 | 07:47 AM
  #25  
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Margarita Girl
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From: Nor'east
Default RE: 3.55 vs 3.73

Hey Steve, I drove my car for 3 years with the 3.55's and they are fine.

Recently switched to FRPP 4.10's and they are not as drastic as some suggest. I feel the combination of the SCT 93 tune, hurst short throw and gears were just what my car needed, and do not regret the switch.
Old Feb 15, 2008 | 09:30 AM
  #26  
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05GT550
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Default RE: 3.55 vs 3.73

3.73 are great with supercharged application, if you put in 4.10's and are running high HP you will just smoke the tires to easily in first, I always recommend 3.73 for supercharged apps, and 3.90 or 4.10 for N/A.
Old Feb 15, 2008 | 01:39 PM
  #27  
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thewarmachine
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From: North Carolina
Default RE: 3.55 vs 3.73

ORIGINAL: 05GT550

3.73 are great with supercharged application, if you put in 4.10's and are running high HP you will just smoke the tires to easily in first, I always recommend 3.73 for supercharged apps, and 3.90 or 4.10 for N/A.
People only smoke tires when they want to or by accident when they are racing.

No one is going to have a problem with the 4.10's spinning or smoking the tires in normal driving conditions. The heart of the issue is rpms on the highway/freeway.

You can always avoid spinning in 1st gear.....The fix is DON'T LAUNCH LIKE A MANIAC!

You cannot so easliy avoid driving on highways.
Old Feb 15, 2008 | 02:02 PM
  #28  
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PLstang
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Default RE: 3.55 vs 3.73

I had 3.55's and went 3.73's. It really wasn't much of a change.
Old Feb 15, 2008 | 02:07 PM
  #29  
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PLstang
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Default RE: 3.55 vs 3.73

However, next week I'm getting a new rear and some 31 spline axles! That should make a difference!
Old Feb 15, 2008 | 03:02 PM
  #30  
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07MustangGT_girl
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From: California
Default RE: 3.55 vs 3.73

i've got the sad stock 3.31 and will definitely be upgrading to the 3.73 when I get a chance



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