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Old Aug 25, 2014 | 09:23 PM
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Default What Stall?

Hey guys,
I one of the good ol faithful LT1 guys and I was just wanting you guys input. I have a 4L80E being built for my setup now. Just by reading the post in this section I come up with the assumption that a stall around the 3700-3900rpm range. What do you guys think? Some specs are in my sig and I have 3.42 gears.

Let me know, or give me some tips on how to calculate what my own stall should be.
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Old Aug 26, 2014 | 08:44 AM
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Man.......nobody?
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Old Aug 26, 2014 | 11:58 AM
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What kind of power figures are we talking? Better yet, do you have a dyno sheet? We have had good success with around a high 3k stall 258mm on the turbo LS type motors. I imagine your LT wouldn't be too much different. A multi disk is nice to have with forced induction for durability and performance reasons. Give us a little more info on intended usage ect and we can help you further.

-Brian
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Old Aug 26, 2014 | 12:52 PM
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Thanks for the response.

I didnt know I was suppose to have a dyno sheet already. I would like a billet, single clutch 10.5" converter. I am estmating my HP being around 550 if that with 78MM turbo 12#s tops for now. After doing my research I was thinking around 2800. It will be driven on the street hence the reason for 4L80 and not 400TH. I will be doing more track duty than street. But who wouldnt street race every now and again. I also plan on doing a transbrake and staying with the 3.42s for a while. Car should be around 3450lbs.

Your thoughts? PM me a price if you wouldnt mind. Thanks again.
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Old Aug 26, 2014 | 01:00 PM
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I have a 3000 rpm stall in my 5.3 twin 66mm with 3.25 gear, way to tight. I have 70 a/r exhaust housings and it will only foot brake to 1lb of boost before pushing through the 12" c5 vette brakes all the way around. Circle D will get you hooked up with the rite stall, I'm going with them for my new one.
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Old Aug 26, 2014 | 01:27 PM
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Thanks for the response. So 3K is too tight? Hmmmmm. What compression and size cam do you have? Jus curious.....
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Old Aug 26, 2014 | 03:24 PM
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Originally Posted by SwampWS6
Thanks for the response.

I didnt know I was suppose to have a dyno sheet already. I would like a billet, single clutch 10.5" converter. I am estmating my HP being around 550 if that with 78MM turbo 12#s tops for now. After doing my research I was thinking around 2800. It will be driven on the street hence the reason for 4L80 and not 400TH. I will be doing more track duty than street. But who wouldnt street race every now and again. I also plan on doing a transbrake and staying with the 3.42s for a while. Car should be around 3450lbs.

Your thoughts? PM me a price if you wouldnt mind. Thanks again.
We can split the difference at around a 3500 stall. This will be our 258mm or 10 1/4" converter. Single disk is no problem as long as you do not lock the converter under power. PM sent on price and part number.

-Brian
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Old Aug 26, 2014 | 03:39 PM
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Originally Posted by Circle-D_Brian
We can split the difference at around a 3500 stall. This will be our 258mm or 10 1/4" converter. Single disk is no problem as long as you do not lock the converter under power. PM sent on price and part number.

-Brian
So Brian, does the price include shipping? Also, I have a 153T flexplate thats a tad different than the LS style
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Old Aug 26, 2014 | 04:28 PM
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Originally Posted by SwampWS6
So Brian, does the price include shipping? Also, I have a 153T flexplate thats a tad different than the LS style
I took that into account with the part number. It will fit with no issues. That price does not include shipping. Feel free to call for a shipping quote to your zip.

-Brian
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