Transmissions and Drivetrain Need help with your trans? Problems with your axle?

3.73 gears for 90 iroc

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Old May 27, 2003 | 07:46 PM
  #1  
prOject-IrOc's Avatar
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From: Gilbert
Car: 1990 Iroc-Z
3.73 gears for 90 iroc

can anyone tell me if these gears will work in my car? im pretty clueless in that area. also, how hard are they to install?
thanx alot guys.

http://cgi.ebay.com/ebaymotors/ws/eB...category=33731
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Old May 27, 2003 | 09:02 PM
  #2  
firedawg225's Avatar
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From: Okinawa, Japan
Car: 1992 Camaro RS
Engine: 383 w/Holley Stealth Ram
Transmission: Pro-built 700R4
Axle/Gears: 3.73
yes
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Old May 27, 2003 | 09:02 PM
  #3  
unvc92camarors's Avatar
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From: cinci
it depends...
they will fit your car IF you have a 3 series carrier (differential)
meaning in other words..if you have 3:23 gears or numerically higher right now..you have a 3 series carrier
if you have 2:73's or 3:08's, which i know that 2:73's were put in a lot of v8's, then you have a 2 series carrier
and if you have a 2 series, you're gonna need a 3 series
you can get a nice 3 series from slponline.com for 100 bucks
http://www.slponline.com/view_produc...TNUMBER=64501T
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Old May 27, 2003 | 09:53 PM
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88Camaro350's Avatar
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From: B'ville, WV
Car: 2002 Formula Firebird
Engine: LS1
Transmission: 4l60e
Axle/Gears: 3.23
some companies make gears as high as 4.10s that work with 2 series carriers. Those would work if you have 2.73s to 3.23s.

I cant wait to get my 3.73s and posi in...should make my car much faster.
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Old May 28, 2003 | 01:35 AM
  #5  
prOject-IrOc's Avatar
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From: Gilbert
Car: 1990 Iroc-Z
hey thanx everyone.

anyone know if these are good gears? i mean the brand.
thanx again.

*edit* oh an yah i have 3.23's...
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Old May 28, 2003 | 08:14 AM
  #6  
Trux's Avatar
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Joined: Mar 2002
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From: portland, Maine USA
Car: grand prix/84 z28
Engine: 4.6 Northstar
Transmission: t-56
Um..

those gears aren't that bad. 3.73s came in mine factory. I was looking around at camaro heaven and say factory rearends with 4.10s.
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