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C-6 torque converter question

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Old Oct 21, 2009 | 05:39 PM
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Default C-6 torque converter question

What is the stock torque converter stall? Has anyone swapped to a 3000-3500 stall? Any experience? Suggestions? My car is a 2008. Thanks.
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Old Oct 21, 2009 | 05:52 PM
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I believe the factory one is like 1000 or 1200 but I cant recall exactly. A 3000 may be too big if your not going to modify your car. If you are gonna stay stock but what the benefits of a stall you should probably go with a 2600 or so. If you wanna go cammed or FI later down the road then get the larger one now and save yourself the headache of changing it out.
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Old Oct 21, 2009 | 06:33 PM
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Originally Posted by JRS 94
What is the stock torque converter stall?
1800

Originally Posted by JRS 94
Has anyone swapped to a 3000-3500 stall? Any experience? Suggestions? My car is a 2008. Thanks.
i have an 06 LS2 bolt on car no internal mods like cam or anything making only 371RWHP/ 379RWTQ and i have a yank 3600 stall with 3.42's, i love it. i would say if were going to stay with stock gears then i wouldn't go over 3200 but there are a few guys on here that have stock gears with a 3600 stall and they love it and some say its way to loose.
i dont have any experience with other brands of stalls but yank is very good and very effecient which is good for a street car. you should talk to subfloor he has done alot of different stall gear combos

it all really depends on what your future plans are with the car

good luck with your choice
dicky
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Old Oct 22, 2009 | 05:39 AM
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If you are welling to wait i am installing one with 3200 stall from YANK within one week , i own a 2008 as well ( my car is cammed)
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Old Oct 22, 2009 | 09:45 AM
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If I go with a 2800 converter in a stock car, will I also need a Trans Cooler ?

Especially in hot weather?
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Old Oct 22, 2009 | 10:26 AM
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Originally Posted by jpee
If I go with a 2800 converter in a stock car, will I also need a Trans Cooler ?

Especially in hot weather?
Yes, I'm still from the school of thought that any converter upgrade/stall higher than stock should also be matched with an aftermarket/auxilary cooler, even if only a 2400. And yes, especially during the summer months on a street driven car and/or in a car that could see some hot lapping during rounds at the track.
The only potential downside to the cooler (other than cost/install) is that in the extreme cold one might have to actually take more time warming up their trans fluid.
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Old Oct 22, 2009 | 11:02 AM
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After installing a PI 2400 convertor I noticed the transmission fluid temp was going above 200 degrees. I installed a tranny cooler and the temp now stays around 170 to 180.
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Old Oct 22, 2009 | 02:59 PM
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Thanks so far for the replies, in general I run 3500 stalls in the old school cars. For the Vette I may consider a Procharger in the future, but for now I really want to get the car to leave better. My last Vette ('94) got a 3000 stall and 3.73 gear, was a great improvement. Please keep the experiences coming! I'm in no hurry to go do this, its getting on time to park the car for winter. I'll do this swap over the winter. Thanks to all.
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Old Oct 23, 2009 | 07:11 PM
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Okay, Duh me. IS it correct to say the stall converter is used off the line applying the brakes while accelerating? And will the tires brake loose then? Please explain..
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Old Oct 23, 2009 | 08:18 PM
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Originally Posted by lilpuu1
Okay, Duh me. IS it correct to say the stall converter is used off the line applying the brakes while accelerating? And will the tires brake loose then? Please explain..
No.... all automatic cars have a stall converter.. so the engine wont stall when at a stop... the "Stock" converters are app 1200 to 1800 stall depending on the car & engine...

The C6 Automatic has (app 1800 stall) so when you floor the gas from a stop the engine will only rev to 1800 rpm and the car will start to accelerate... but the C6 corvette makes the most torque at (app 4000-4500 rpm) so if you changed your stock converter from a 1500 to a 3600 your engine would instantly rev to 3600 rpm (MUCH CLOSER TO ITS PEAK TORQUE) so you will leave the line harder, and accelerate faster... however this added torque will also cause you to spin stock tires, so you would need DR to get traction...

The stall converter has nothing to do with your breaks, but with a Hi Stall Converter, if you hold the foot break the car will still spin the tires much easier than with a stock converter....

I hope this cleared it up a little...
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