new options found for us 2.8/3.1 automatic guys.
new options found for us 2.8/3.1 automatic guys.
well im an employee in my towns advance auto parts. i was working tonight and we werent busy so i was just looking in our computer catalouge and found that we have more than just one torque converter option for our cars. i couldnt believe ti when i found it. we have listed 4 different stall converters for our cars all under $150. these were direct replacements for the v6 cars 82-92. and it says the 700r4 converter will fit in the th200c. there is a 2375 stall, 1568 stall, 1865 stall, and there is also a 2500 stall. thats right i found a 2500 stall for our transmissions. for under $150. i was thinking of getting the 2500 because right now im pretty sure i have the 2300 stall. and that knocked 2/10's off my 60 ft times oppose to my stock 1500 stall
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Joined: Jul 2002
Posts: 218
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Car: 1992 Camaro RS
Engine: 5.0L TBI
Transmission: 700R4
Axle/Gears: 2.73
Take a look here: http://auto.howstuffworks.com/torque-converter2.htm
That page displays a non-lock-up torque converter. A lock-up torque converter has a electronicly controlled clutch between the forward part of the housing and the turbine. When the TCC is locked, the clutch mechanically/physically joins the housing and turbine, and since the turbine is directly attached to the transmission input shaft, engine power is applied directly to the transmission rather than through the workings of the torque converter.
Also see: http://www.bankspower.com/Tech_under...rqueconver.cfm
"Torque converter slippage is important during acceleration, but it becomes a liability once the vehicle reaches cruising speed. That's why virtually all modern torque converters use a lock-up clutch.
The purpose of the lockup clutch is to directly connect the engine and the transmission once slippage is no longer needed. When the lockup clutch is engaged, a plate attached to the turbine is hydraulically pushed up against the front cover (which, you will recall, is connected to the impeller), creating a solid connection between the engine and transmission. Having the engine and transmission directly connected lowers the engine speed for a given vehicle speed, which increases fuel economy."
That page displays a non-lock-up torque converter. A lock-up torque converter has a electronicly controlled clutch between the forward part of the housing and the turbine. When the TCC is locked, the clutch mechanically/physically joins the housing and turbine, and since the turbine is directly attached to the transmission input shaft, engine power is applied directly to the transmission rather than through the workings of the torque converter.
Also see: http://www.bankspower.com/Tech_under...rqueconver.cfm
"Torque converter slippage is important during acceleration, but it becomes a liability once the vehicle reaches cruising speed. That's why virtually all modern torque converters use a lock-up clutch.
The purpose of the lockup clutch is to directly connect the engine and the transmission once slippage is no longer needed. When the lockup clutch is engaged, a plate attached to the turbine is hydraulically pushed up against the front cover (which, you will recall, is connected to the impeller), creating a solid connection between the engine and transmission. Having the engine and transmission directly connected lowers the engine speed for a given vehicle speed, which increases fuel economy."
Last edited by LinuxGuy; May 1, 2005 at 11:29 PM.
Supreme Member
Joined: Mar 2002
Posts: 3,281
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
hrm when I'm on the highway and my TCC engages... if I give it enough gas, I hear/feel some vibration... I wonder if it's my TCC 'slipping'?
if I give it enough gas to unlock the TCC, the vibrations go away...
guess I need a new torque converter...
if I give it enough gas to unlock the TCC, the vibrations go away...
guess I need a new torque converter...
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Joined: Nov 2004
Posts: 316
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From: North Jersey
Car: 1990 Pontiac Firebird
Engine: 3.1 V6 soon to be gone
Transmission: 700r4 Automatic soon to be a T56
trying to understand stall speed. First question, what is the stall speed? What do you feel when the converter locks up? And what does raising or lowering the stall speed accomplish? I looked it up...but I'm still confused.
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Supreme Member
Joined: Mar 2002
Posts: 3,281
Likes: 0
From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
stall has nothing to do with locking...
think of it like a manual tranmission... when you get a high-stall torque converter, its like dropping the clutch at 2500rpm... with no damage to any components, except wear on the tranny
you can still take off with less than 2500rpm, its just that if you floor it, the motor will get to 2500rpm before the wheels spin....
for our cars its a good thing
what I want to know, is do these converters have the TCC??
think of it like a manual tranmission... when you get a high-stall torque converter, its like dropping the clutch at 2500rpm... with no damage to any components, except wear on the tranny
you can still take off with less than 2500rpm, its just that if you floor it, the motor will get to 2500rpm before the wheels spin....
for our cars its a good thing
what I want to know, is do these converters have the TCC??
no they are definitly for v6 cars. our stock converters in our cars are like 1500rpm stall. when i replaced my trany last winter i put an s10 2300 stall in it. but then i found this 2500 stall right at advance where i work so now i want to get that. another thing i learned is that the 700r4 and the th200c shares the same converter. or atleast thats what the computer is telling me
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Joined: Jun 2004
Posts: 95
Likes: 0
From: Delaware
Car: '86 Camaro, '85 Z28, '92 Firebird
Engine: LB8 2.8, LG4 5.0, LO3 5.0
Transmission: TH-700R4, T-5, TH-700R4
Axle/Gears: 3.42s, 3.23s, 2.73s
the th200c is another 4 speed auto that was on 82 and 83 f bodies, but it was used with a lot of buick cars throughout the 80s
Supreme Member
Joined: Mar 2002
Posts: 3,281
Likes: 0
From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
are there any downsides to having the 2500 stall LOCKING torque convertor over the stock 1600'ish stall?
and can someone describe in more technical terms what the difference between a low/high stall converter are?
Thanks,
Steven
and can someone describe in more technical terms what the difference between a low/high stall converter are?
Thanks,
Steven
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