V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Overdrive gear ratios?

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Old Mar 12, 2004 | 08:01 AM
  #1  
camaro_V6_Tuner's Avatar
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From: PA
Car: 2002 Trans Am WS6
Engine: LS1
Transmission: T56
Axle/Gears: 4.10
Overdrive gear ratios?

Does anyone have any idea if there is a difference between overdrive gear ratios in a v6 700R4 and a v6 T5? Ive heard the first gear is a granny gear on a T5 in a v6 but is the 5th gear lower or higher than the 700R4?
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Old Mar 12, 2004 | 08:38 AM
  #2  
drdave88's Avatar
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From: Waterford, MI
Car: 1998 Camaro Z28
Engine: 6.0L
Transmission: 4L60E
Axle/Gears: 3.73
service manual should have this info, or try the trans message board.
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Old Mar 12, 2004 | 09:19 AM
  #3  
camaro_V6_Tuner's Avatar
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From: PA
Car: 2002 Trans Am WS6
Engine: LS1
Transmission: T56
Axle/Gears: 4.10
I rarely get a response on any of the other boards but I dont know why . Im guessing its b/c of the v6....
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Old Mar 12, 2004 | 09:55 AM
  #4  
Doward's Avatar
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From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
700r4 -

3.06
1.62
1.00
.70

V6 T5 -

1st - 4.03
2nd - 2.37
3rd - 1.49
4th - 1.00
5th - 0.76


V8 T5 -

1st - 2.95
2nd - 1.94
3rd - 1.34
4th - 1.00
(MK6 code)
5th - .73

(M39 code)
5th - .63
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Old Mar 12, 2004 | 11:41 AM
  #5  
TechSmurf's Avatar
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From: Tucson, AZ, USA
Car: '99 Trans Am, '86 Camaro
Engine: LS1, Scrap
Transmission: T56, T5
Axle/Gears: 3.42 Stock ZT, 3.42 Open
This actually varies alot more than you might think, Doward... I've never heard of more than one ratio set out of the 700R4.. to my knowledge all of them have a .70:1 overdrive.. but the full crossreference for T5 gear ratios, including overdrives, is here https://www.thirdgen.org/techbb2/sho...hreadid=162853
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Old Mar 12, 2004 | 11:47 AM
  #6  
camaro_V6_Tuner's Avatar
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Joined: Apr 2003
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From: PA
Car: 2002 Trans Am WS6
Engine: LS1
Transmission: T56
Axle/Gears: 4.10
Thanks, thats a great link
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Old Mar 12, 2004 | 01:05 PM
  #7  
Gumby's Avatar
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From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
Not sure if I would call 1st a granny gear in a T5 though it is very low.
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Old Mar 12, 2004 | 01:13 PM
  #8  
AM91Camaro_RS's Avatar
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From: Central FL
Car: 91 Camaro
Engine: 3.1...not hardly stock
Transmission: 700r4....not stock either
Axle/Gears: 3.73
Originally posted by TechSmurf
I've never heard of more than one ratio set out of the 700R4.. to my knowledge all of them have a .70:1 overdrive..
he only listed on set for the 700r4
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Old Mar 12, 2004 | 02:56 PM
  #9  
Doward's Avatar
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From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
Yeah, there's only one set for the 700r4 - but major thanks for the T5 list!!!! CTRL+D for sure!
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Old Mar 13, 2004 | 01:10 AM
  #10  
TechSmurf's Avatar
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From: Tucson, AZ, USA
Car: '99 Trans Am, '86 Camaro
Engine: LS1, Scrap
Transmission: T56, T5
Axle/Gears: 3.42 Stock ZT, 3.42 Open
Originally posted by AM91Camaro_RS
he only listed on set for the 700r4
That was more of a rhetorical statement due to the low number of gear combinations he listed for the T5.
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