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

who has the 3.90's

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Old Mar 26, 2008 | 03:58 PM
  #1  
07vbluestang's Avatar
07vbluestang
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From: Pittsburgh. Pa.
Default who has the 3.90's

i am thinking a good gear for me with the twin screw s/c would be the 3.90's. i like the closeness of the gears and the 4.10 might be too much. what's the best gear manufacturer of the 3.90 and is there any whine!!
Old Mar 26, 2008 | 04:11 PM
  #2  
rad_rob's Avatar
rad_rob
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Default RE: who has the 3.90's

Check out Motive gears. Ive always had good experiences with them.
Old Mar 26, 2008 | 04:57 PM
  #3  
thewarmachine's Avatar
thewarmachine
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From: North Carolina
Default RE: who has the 3.90's

I want someone to try Pro 5.0 gears.
http://dagostinoracing.com/index.php...ducts_id=14825

"The new 3.90 gears from Pro-5.0 are a great gear to bridge the gap between the ever popular 3.73s and 4.10s. Known as being stronger and quieter than any other manufacturer!"

I'd like to have them.
Old Mar 26, 2008 | 05:44 PM
  #4  
Asty71's Avatar
Asty71
 
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Default RE: who has the 3.90's

thought I saw somewhere that Motive gears whined like no tomorrow.

I could be wrong though
Old Mar 26, 2008 | 06:10 PM
  #5  
black S197's Avatar
black S197
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From: Richmond, VA
Default RE: who has the 3.90's

or Richmond gears.
Old Mar 26, 2008 | 06:14 PM
  #6  
surf808's Avatar
surf808
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From:
Default RE: who has the 3.90's

ORIGINAL: thewarmachine

I want someone to try Pro 5.0 gears.
http://dagostinoracing.com/index.php...ducts_id=14825

"The new 3.90 gears from Pro-5.0 are a great gear to bridge the gap between the ever popular 3.73s and 4.10s. Known as being stronger and quieter than any other manufacturer!"

I'd like to have them.
Hmm. I just might have to check those out. Good find.
Old Mar 26, 2008 | 06:15 PM
  #7  
Margarita Girl's Avatar
Margarita Girl
Is the tide gonna reach my chair?
 
Joined: Mar 2007
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From: Nor'east
Default RE: who has the 3.90's

I ruled out the 3.90 gears solely because they are not offered by FRPP.

I am not super or turbo charged, but I've seen many post that 3.55 and 3.73 gears work well with FI.
Old Mar 26, 2008 | 06:41 PM
  #8  
rad_rob's Avatar
rad_rob
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From: CA
Default RE: who has the 3.90's

Any gears will whine if theyre not setup properly.
Old Mar 26, 2008 | 07:01 PM
  #9  
Rubrignitz's Avatar
Rubrignitz
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Joined: Jul 2007
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From: TX
Default RE: who has the 3.90's

I'd stick with 3.73 if going FI. That is unless you're going to spending every weekend/night at the track. You'll wind up so fast that no tire that'll fit on a S197 will give you enough traction.
Old Mar 26, 2008 | 10:04 PM
  #10  
07vbluestang's Avatar
07vbluestang
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Posts: 479
From: Pittsburgh. Pa.
Default RE: who has the 3.90's

i have the 3.55 now and probably are best for me but i like the gears when they are close. i bought the 4.10 frpp m4209 g410"A" but might not use them!!
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