C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Upgrade TORQUE CONVERTER??

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Old Aug 15, 2006 | 10:23 AM
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Default Upgrade TORQUE CONVERTER??

I just upgraded my rear differential to 3.54 gears with the Dana 36 carrier. I had 3.07, but I really like the difference i get with the 3.54. Someone suggested that I also look at upgrading to a new torque converter for more performance. Does anyone know if this would make sense? I dont want to blow out my Dana 36 which I know is not that robust. Thanks.
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Old Aug 15, 2006 | 10:30 AM
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A TC isnt going to make the rear blow out. What it can do is add heat to the transmission, wearing it out sooner. A separate cooler would always be a good idea, even if you left the stock TC in there.

You should do it, it will probably make as big a difference as adding the gears have. 2400-2600 stall would be good.
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Old Aug 15, 2006 | 10:33 AM
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I have 3.54 dana 36 too with 9.5" 3000 stall Lockup TC bought from transmissionhead.com. Trust me i love it from a stop light, launches like a rocket, with timing advance its says from a stop light "get out a my way".

here is a video clip (launch in OD with 60% throttle): http://media.putfile.com/Test-drive-at-chris-place-.

But the disad is between 30-35 mph speed in 4th gear it lugs feels loose, but once i crossed 45 mph speed in OD i have no problem. I do have 4th gear only lock up kit and also have transgo Shift kit. Hope this helps.

I do have TC cooler and oil as well:



Last edited by sami85L98; Aug 15, 2006 at 10:37 AM.
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Old Aug 15, 2006 | 10:56 AM
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Originally Posted by RAGOVET
I just upgraded my rear differential to 3.54 gears with the Dana 36 carrier. I had 3.07, but I really like the difference i get with the 3.54. Someone suggested that I also look at upgrading to a new torque converter for more performance. Does anyone know if this would make sense? I dont want to blow out my Dana 36 which I know is not that robust. Thanks.
If you drag race, the converter, alone, would have done more for your ETs than the gear, alone. The combination ought to be killer.

RACE ON!!!
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Old Aug 15, 2006 | 12:44 PM
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it is real easy for other people to spend my money on my car by saying"you should....." drive the car for a while.if you are happy with it leave it alone.if you want a"little more"then a tc is the next step.just don't go crazy.like vader said 2400-2600 would give you a leap out of the hole.the biggest tranny cooler you can fit is usually the first mod i do to an auto trans car when i get it.
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Old Aug 15, 2006 | 01:19 PM
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Originally Posted by 96 lt-4
it is real easy for other people to spend my money on my car by saying"you should....." drive the car for a while.if you are happy with it leave it alone.if you want a"little more"then a tc is the next step.just don't go crazy.like vader said 2400-2600 would give you a leap out of the hole.the biggest tranny cooler you can fit is usually the first mod i do to an auto trans car when i get it.

Good Advice. thanks. (also to Vader)
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Old Aug 15, 2006 | 03:03 PM
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I agree with the others. Somewhere between 2200-2500 would give a nice seat of the pants gain, lower et a bit, make minimal added heat and make the car much more fun to drive. I would advise agains a TCI or B&M converter. I am lucky enough to have a somewhat local shop hand build them for me to whatever approx stall I request. They do a fantastic job. Maybe you have someone local that could do the same thing.
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Old Aug 15, 2006 | 08:37 PM
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just did 2200 with 3.54 on daily driver...

surprising docile when you want it to be... you don't have to look like a punk at every traffic light...

does feel a bit "disconnected" up to 42 mph (that's where i set my torque converter lock)

when feeling a bit agressive, you will put a lot of wear on either the ASR or you rear tires...

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