Converter Stall
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Converter Stall
I think I'm going to buy a stall converter for my 4l80e tranny and I'm trying to figure out what size stall to get. It seems like the vig. 3200 stall is a popular converter. I know my 60' is a 1.88 and my quarter mile run is a 12.41 at 108 will the stock stall. How much of an improvement do you think a 3,200 stall would give in my 60' and 1/4 mile? Thanks guys
Yellow
2002 GMC sierra scsb, 5.7LS1, 3.73&locker, whipple@8psi, 4l80e, lunati cam, and Nelson Tune. Soon to come.... new tune, more boost 13psi, snow performance alky kit, and Stall coverter.
Yellow
2002 GMC sierra scsb, 5.7LS1, 3.73&locker, whipple@8psi, 4l80e, lunati cam, and Nelson Tune. Soon to come.... new tune, more boost 13psi, snow performance alky kit, and Stall coverter.
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i'm not sure if the vig comes in a 3200 for the HD trans mission, but i know yank makes an hd 2800,3200, and 3400 stall for the 4l80e. From what i have heard on here the 4l80e guys are going with the multi disc 2800 from Precision industries. I think you will be happy with a 2800 as i'm sure you do most of your driving on the streets, and you have plenty of low end/mid range tq/hp so you really don't need a big stall like some of these guys running either big cams or centrifugal superchargers like the procharger that likes more rpm to build more boost. i have a 3200 yank and its awesome for my app. I think it will only help your 60ft if you have good traction. might imporve your 1/4 time .2-.3 i'm guessing.
#3
a stall will help no matter what. I would go with the vig 3200. It's probably the convertor i'd go with if i had the money.
Your times are very impressive w/o a stall. What tires were you running on that run?
Your times are very impressive w/o a stall. What tires were you running on that run?
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Originally Posted by chris99gmc
a stall will help no matter what. I would go with the vig 3200. It's probably the convertor i'd go with if i had the money.
Your times are very impressive w/o a stall. What tires were you running on that run?
Your times are very impressive w/o a stall. What tires were you running on that run?
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Originally Posted by sfj
i am going to go onto a limb and guess again with tire bite somewhere around a half second + or - a tenth
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I'd say, don't go over 3000 with the whipple. The boost comes on so early, you really wouldn't need over 3000. If you can HOOK and cut a 1.70 60' with a really efficient converter that didn't lose mph, my guess would be the 12.0-12.1 range.
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#8
Originally Posted by Yellowsierra
I think I'm going to buy a stall converter for my 4l80e tranny and I'm trying to figure out what size stall to get. It seems like the vig. 3200 stall is a popular converter. I know my 60' is a 1.88 and my quarter mile run is a 12.41 at 108 will the stock stall. How much of an improvement do you think a 3,200 stall would give in my 60' and 1/4 mile? Thanks guys
Yellow
2002 GMC sierra scsb, 5.7LS1, 3.73&locker, whipple@8psi, 4l80e, lunati cam, and Nelson Tune. Soon to come.... new tune, more boost 13psi, snow performance alky kit, and Stall coverter.
Yellow
2002 GMC sierra scsb, 5.7LS1, 3.73&locker, whipple@8psi, 4l80e, lunati cam, and Nelson Tune. Soon to come.... new tune, more boost 13psi, snow performance alky kit, and Stall coverter.
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Originally Posted by Yellowsierra
Maybe I could pull off a 11.9 that would be awesome!
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Originally Posted by BADMOFO
I really wouldn't be surprised at all to see you go a high 11.XX. Even with the low-end power you are making with the Whipple, its not like it falls off (or even stops increasing) after 3000rpm. A smaller converter is a bunch lighter than a stock converter, which also (in addition to the flash point) "frees-up" power that was absorbed by spinning the heavier converter. You should get the same, if not more, reduction in ET as a slower truck with the addition of the converter. I would think a half of a second +/- a tenth or so as well.
That sounds awesome I hope to get in the high 11's with the stall. After that I'm turning up the boost from 8 psi to about 13-14 psi with the addition of a alky kit. I built the motor with 8.5/1 compression so I could run more boost. Hopefully I'll get all this done before to long and will report the results thinks for the input guys.
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