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torque converter recommendation

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Old Oct 3, 2012 | 09:52 PM
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Default torque converter recommendation

I need help from folks with racing experience on a converter recommendation. The car is an '04 auto coupe that currently only has a Vararam, tune, and Ti exhaust. I don't daily drive the car but would still like to have decent street manners. My goal is to only do bolt-ons and be able to run IHRA Stock Eliminator in Pure Stock. The index is 12.75 and basically you can do gears, TC, headers, ... bolt-ons with no internal engine modifications. In the near future I'll add gears (currently have 3.15s and am leaning towards 3.90), long tubes, and other misc. small items. I do have drag radials mounted on OEM wheels already. Bone stock the car went 13.3 in bad air and I haven't been out yet with the CAI, tune, Ti, or DRs.

Initially I'm looking at a Yank SS3200 but any people with experience would be helpful.

Thanks!
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Old Oct 4, 2012 | 12:14 AM
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From what I've read on the forums, the SS3600 is very popular. I bought one only because I found it for sale NIB and it seemed about where I wanted to be. Turned out to be an excellent choice.
A bit slippery on the street, but that depends on your point of view. My C5 is my daily driver until the rains show up. SS4000 would be quicker, SS3200 more friendly of course.

I think if you do all that stuff, 12.0 or better would happen.

ron
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Old Oct 4, 2012 | 06:17 AM
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If you do the 3.90 gears, then a Yank ss4000 or equivalent FTI, Circle D, etc. I drove a '99Trans Am with a Yank PT4000 on the street all the time....and it only had 3.42's. Once the converter locks up, it doesn't matter if it's a 3200 or a 4400, it's gonna ride nice. My advice is to do at least a 4000. If you do a 3200, I'll watch for your post in a few months about how you should have went bigger....LOL
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Old Oct 4, 2012 | 08:02 AM
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I run a Yank SS3200 and 3.15 gears in my daily driver and love the combination. However, I used to run a Yank PT4000 and 3.90 gears when my race car it was functioning as a street strip car. If you can handle the added inconvience of the looser stall and reduced gas mileage, the PT4000 and 3.90 combination along with drag radials or slicks will provide a significant performance advantage over the 3200 and 3.15/3.42 combination. Good luck.
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Old Oct 4, 2012 | 09:36 AM
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Originally Posted by DBN
I run a Yank SS3200 and 3.15 gears in my daily driver and love the combination. However, I used to run a Yank PT4000 and 3.90 gears when my race car it was functioning as a street strip car. If you can handle the added inconvience of the looser stall and reduced gas mileage, the PT4000 and 3.90 combination along with drag radials or slicks will provide a significant performance advantage over the 3200 and 3.15/3.42 combination. Good luck.
Thanks guys! Good comments. I wonder what the performance difference between the 4000/3.90 and 3200/3.42. As stated I'm quite sure that if I don't go big I'll be disappointed. The car is not daily driven and IHRA's index I believe for this car is "soft" at 12.75. With a good gear, TC, LTs, etc. I'm sure the car can run a second under and set a national record.
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Old Oct 4, 2012 | 11:39 AM
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I have been running a Yank 4000 on the street with 3:73's for so long I just think it's normal, the way EVERY automatic should be
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Old Oct 4, 2012 | 12:34 PM
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I would expect mid 11s in good air.
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