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» Northern California Ford Owners     » Automotive   » Tech Talk   » 3.55s or 3.73s

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Author Topic: 3.55s or 3.73s
Bobby
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Member # 5418

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I'm having a problem deciding which one to go with 3.55s, or 3.73s. Just curious what people reccomend.

Its a 5spd 94 Gt with 18 Saleen rims
Cold air
Cobra MAF
65mm T/B
Cobra intake
24lb injectors
Cobra heads
Cobra Computer w/chip
Hooker shorty headers
hi-flow cat x-pipe
Flowmaster 2chamber catback

I drive about as much on the freeway as I do around town.
Please leave me some feedback. I've checked out the RPM calcuator, but just cant make up my mind. Help me out!!
[Confused]
Thanks
Bobby

--------------------
94 GT 'Vert,
Tuned by Shaun @ AED
N/A
344.6 RWHP
374.6 RWT

Posts: 264 | From: Walnut Creek | Registered: Mar 2005  |  :
hockeyguy713
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Member # 5354

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this topic of discussion comes around alot. gear it high if you want a little extra umph but of course you know that if you consistantly are hittin the go pedal you're gas milage wont be good either way.

--------------------
91 GT

Posts: 489 | From: east bay | Registered: Feb 2005  |  :
Bobby
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I forgot... its a convertible too
Bobby

--------------------
94 GT 'Vert,
Tuned by Shaun @ AED
N/A
344.6 RWHP
374.6 RWT

Posts: 264 | From: Walnut Creek | Registered: Mar 2005  |  :
loteqredneq
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Member # 6128

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i just got my 3.73's in about 2 weeks ago. they are great i definetly dont regret it. i spin 2300-2500 on the freeway just cruisin. it makes 5th gear really manageable. i have an 89 and i dont know if the drivetrain differs between the foxes and the 94/95's, but if its all the same then i definetly suggest 3.73's.

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90 gt: weekday warrior
3:73's
JBA shorties
bbk gripps
tokico hp's

Posts: 108 | From: antioch | Registered: Oct 2005  |  :
50DADDY
CAFords OG
Member # 3076

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Wanna win those stoplight battles?
3;90's.

--------------------
"Im not stupid,i just act that way so i dont make you dummies uncomfortable."

"Old age and treachery shall overcome youth and skill."

Posts: 4827 | From: Suckramento | Registered: Jul 2003  |  :
twisted54
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Member # 1981

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quote:
Originally posted by Bobby:
I'm having a problem deciding which one to go with 3.55s, or 3.73s. Just curious what people reccomend.

Its a 5spd 94 Gt with 18 Saleen rims
Cold air
Cobra MAF
65mm T/B
Cobra intake
24lb injectors
Cobra heads
Cobra Computer w/chip
Hooker shorty headers
hi-flow cat x-pipe
Flowmaster 2chamber catback

I drive about as much on the freeway as I do around town.
Please leave me some feedback. I've checked out the RPM calcuator, but just cant make up my mind. Help me out!!
[Confused]
Thanks
Bobby

3.73s and don't look back...

--------------------
2013 Black on Black 5.0 with Boost N Things - CORN FED 🌽

Posts: 3421 | From: ebay | Registered: Oct 2002  |  :
JoHnNy SaVaGe
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Member # 6424

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3.73's!!! you won't regret it. I got mine done and I couldn't be happier!

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SCARED MEN DON'T WIN

Posts: 152 | From: 415 | Registered: Jan 2006  |  :
Bobby
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Member # 5418

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Thanks for all your input. 3.73s it is.
By the way, anyone got a set for sale? [Big Grin]

--------------------
94 GT 'Vert,
Tuned by Shaun @ AED
N/A
344.6 RWHP
374.6 RWT

Posts: 264 | From: Walnut Creek | Registered: Mar 2005  |  :
75 chevy
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Member # 6717

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If you are on a budget... I have used 3.55's out of my car. 12k miles on them. No idea if they fit in your car.

--------------------
2009 prius
1975 monza

Posts: 1917 | From: california | Registered: Apr 2006  |  :
slidewayz94
CAFords OG
Member # 3101

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I replaced my 2.73 stock gears with 3.55's in my 94. It was good for awhile but I regret not going 3.73 I did a good amount of freeway and would have sacrificed a couple hundred more rpm's.

[ October 19, 2006, 09:05 AM: Message edited by: slidewayz94 ]

Posts: 4251 | From: Sac | Registered: Jul 2003  |  :
NonOpSlow2V
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Member # 6111

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i hate it when i do this but one more...i always have a question when i read someone elses thread...sorry for cutting but i have 3:73 waiting to get installed...i was wondering what else do i need...i have 90k miles on it (the 97 GT), and what kind of oil should i use in it...thanks a lot

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1997 Autumn Orange GT vert
1996 Mystic Cobra
2005 95ci Harley Road King
2011 F150 Raptor

Posts: 2139 | From: San Francisco | Registered: Oct 2005  |  :
Bobby
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Member # 5418

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Last week i didn't know much about gears except that my car needs them. Then I talked to JohnB and he answered my questions [worship]
So now i'll pass along what i learned.
He told me 99% of the time you dont need a rebuild kit unless you hear noises already. He also said use Royal Purple Synthetic 75w140.

--------------------
94 GT 'Vert,
Tuned by Shaun @ AED
N/A
344.6 RWHP
374.6 RWT

Posts: 264 | From: Walnut Creek | Registered: Mar 2005  |  :
BlownNOSMustang
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Member # 158

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Remember short gears = High RPM, Thus wearing out the motor sooner. I like my 3.55s. Good launch and high speed. If your a short tracker. Go with the 3.73s.

--------------------
1993 Hatch,363 CI,670 RWHP

Posts: 238 | From: Cow Town,USA. | Registered: Feb 2001  |  :
Jdub07
( O Y O )
Member # 2728

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If your torn between 3.55's and 3.73's go with 3.73's

If your torn between 3.73's and 4.10's go with 4.10's [Big Grin]

Posts: 7282 | Registered: Apr 2003  |  :


 
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