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Author
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Topic: 3.90 Gears???
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90 Stang5.0
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Member # 2710
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posted
 
 
Whats everybodys opinion on the the new 3.90 gears.
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"Keep Your Friends Close But Keep Your Enemies Closer"
Posts: 130 | From: NOR CAL | Registered: Apr 2003
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Gear Head
JARED
Member # 779
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posted
I would have got them if they were out when I put my 3.73's in.
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Support our troops!
Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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mustanggt5091
All I need is.....
Member # 444
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posted
Im going to get them when a rearend rebuild becomes necessary ![[Big Grin]](biggrin.gif)
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88 GT 357w (SOLD):(
06 Limited Edition R6 !!!!!
Posts: 2353 | From: Fairfield / Santa Rosa , Ca | Registered: Sep 2001
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Yellow94GT
Mr. 60 FT
Member # 431
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posted
quote:
Originally posted by 90 Stang5.0:
Whats everybodys opinion on the the new 3.90 gears.
Wish I had them
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AED
1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001
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88DroptopGT
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Member # 2535
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posted
Even though I still have stock 3.08s, NEVER FEAR THE GEAR! 3.90s are pretty close to 4.10s IMO, I doubt you will feel much difference, except at the pump. Just my $.02 though.
Posts: 3978 | From: 707 | Registered: Mar 2003
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Stimson
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Member # 51
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posted
I think AaronC on here has them. If they existed back when I got my 3.73's, I would have gone for 3.90's instead.
Posts: 2373 | Registered: Jun 2000
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Impact 5.0
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Member # 2805
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posted
OK here is a question, I am running 3.55's right now and the car seems to get up there fast threw gears, shifting at 5500 rpms, how much of a Dif are you going to feel going to a 373 or a 3.90 as far as shifting speed....if that makes sence
Posts: 2173 | From: Tracy, CA | Registered: May 2003
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Stimson
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Member # 51
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If you have 3.55's, 3.73's and 3.90's really won't be worth the $400 to upgrade.
Posts: 2373 | Registered: Jun 2000
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166 Merlo
FELONY
MOTORSPORTS
Member # 1549
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posted
quote:
Originally posted by st5150:
If you have 3.55's, 3.73's and 3.90's really won't be worth the $400 to upgrade.
4.10's will ![[burnout]](graemlins/burnout.gif)
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'89 - Boss Coupe
'70 - Drop Cutthang
'68 - Cougnut
'87 - 0166, Its real
Posts: 3953 | From: Thebay | Registered: Jul 2002
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Tri-Bar
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Member # 2191
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posted
I run 4.10's with a T-5z trans I can still use first gear.I do have to shift much sooner than I did before. But I run through the gears faster to 5th. Now 5th pulls like a any other gear would. Go foe broke and get the 4.10's
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http://68.58.185.21/Tri-BarMotorsports/index.html
Posts: 78 | From: Modesto | Registered: Dec 2002
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KCmustangboy
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Member # 1927
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posted
quote:
Originally posted by Tri-Bar:
I run 4.10's with a T-5z trans I can still use first gear.I do have to shift much sooner than I did before. But I run through the gears faster to 5th. Now 5th pulls like a any other gear would. Go foe broke and get the 4.10's
I got 3.73s and I feeling the same way unless I am on a roadtrip where traffic is doing 90mph, other then that I wish I had the 3.90s or 4.10s
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03 Cobra... Factory long block, with Whipple and AED tune... 812rwhp 10.0s @ 140... almost there!
WWW.AEDHP.COM
Posts: 1691 | From: San Jose, CA | Registered: Oct 2002
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sn8k2
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Member # 2350
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posted
--------70MPH--80MPH
3.27----2037----2328 ![[Razz]](tongue.gif)
3.55----2211----2527
3.73----2323----2655
3.90----2429----2776
4.10----2554----2919
4.30----2679----3061 ![[worship]](graemlins/worship.gif)
RPMs shown above are appoximate - but pretty close for the Mustangs out there. YMMV ![[dance]](graemlins/dance.gif)
[ July 24, 2003, 10:57 PM: Message edited by: sn8k ]
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Mark K
2003 Cobra | 2001 Cobra | 1989 Black Mustang GT - the Savage
Posts: 152 | From: Livermore, CA | Registered: Jan 2003
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