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the right way to use a stall convertor

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Old Dec 7, 2008 | 10:06 AM
  #21  
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trans brake hehe
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Old Dec 7, 2008 | 02:09 PM
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Originally Posted by c0ncEpT
Flashing it will hit the tires the hardest resulting in the best 60' if you can hook it. Stalling it up will hit it softer the higher you go but should help with traction.
not always true...by flashing the converter it takes longer to get in the upper rpm range so you are making less power off the line...if you are brake stalling it at say 3000 u are closer to the upper rpm range...

my car has always liked to get brake stalled as high as possible without pushing though the front tires...it gets me 1.38s Cam Only
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Old Dec 7, 2008 | 03:26 PM
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Originally Posted by chrs1313
not always true...by flashing the converter it takes longer to get in the upper rpm range so you are making less power off the line...if you are brake stalling it at say 3000 u are closer to the upper rpm range...

my car has always liked to get brake stalled as high as possible without pushing though the front tires...it gets me 1.38s Cam Only
My stock converter likes this as well
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Old Dec 7, 2008 | 07:18 PM
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Again, it's whatever works for you. I tend to spin when I stall it up, but dead hook when I flash from idle. As stated above, when you flash it's going to be softer as the stall climbs up the rpm band from a lower starting point. It seems like I get better weight transfer flashing than having the drivetrain pre-loaded.
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Old Dec 8, 2008 | 04:48 PM
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Originally Posted by RevGTO
Again, it's whatever works for you. I tend to spin when I stall it up, but dead hook when I flash from idle. As stated above, when you flash it's going to be softer as the stall climbs up the rpm band from a lower starting point. It seems like I get better weight transfer flashing than having the drivetrain pre-loaded.
with proper tires and suspension setup i bet you will 60ft better brake stalling it up over flashing it...
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Old Dec 8, 2008 | 05:58 PM
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Originally Posted by chrs1313
not always true...by flashing the converter it takes longer to get in the upper rpm range so you are making less power off the line...if you are brake stalling it at say 3000 u are closer to the upper rpm range...

my car has always liked to get brake stalled as high as possible without pushing though the front tires...it gets me 1.38s Cam Only
Its not about how fast the RPMS get up there. Its about torque multiplication. The higher you stall the converter the less torque multiplication is going to effect it.

To put it very simply lets say you have a 4000 stall with a 2.6 STR. The only time you will truly take advantage of the full effect of that 2.6 STR is when you flash the converter. Say you stall it up to 3000 before launching that 2.6 STR is becoming more like a 1.6 STR.

Originally Posted by RevGTO
Again, it's whatever works for you.
I agree 100%
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Old Dec 8, 2008 | 06:04 PM
  #27  
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Originally Posted by -1SLOWSS
I agree with Circle-D. I tried all different methods with my Yank ST3500 until I finally found the right combination of tire pressure and launch technique. I'll bring it up to about 1500 rpm on the foot brake and then on the last yellow I'll hammer down. Good for a low 1.6 60ft nearly every time.

My best run was on that technique, Yank ST3500 also w/ MT ET streets and 3.42 rear.
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Old Dec 8, 2008 | 06:47 PM
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~1800 on my SS3600 works best.
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Old Dec 9, 2008 | 09:47 AM
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im gonna play around next time i got to the track and post back up when i find out. i finally got some tires that can hook.
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Old Dec 10, 2008 | 05:19 PM
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Keep us up to date on how it goes.
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Old Dec 10, 2008 | 06:07 PM
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Originally Posted by c0ncEpT
Its not about how fast the RPMS get up there. Its about torque multiplication. The higher you stall the converter the less torque multiplication is going to effect it.

To put it very simply lets say you have a 4000 stall with a 2.6 STR. The only time you will truly take advantage of the full effect of that 2.6 STR is when you flash the converter. Say you stall it up to 3000 before launching that 2.6 STR is becoming more like a 1.6 STR.


I agree 100%
but i am not going to 60ft better by flashing it...each car is different i guess
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Old Dec 13, 2008 | 03:30 PM
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i have a 4c converter with stock suspension other than control arms and mt et streets at 11 psi. I hold it at 1500 and flash it and it will break them loose almost every time. When it does hook it hit 1.60s
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Old Dec 14, 2008 | 08:46 PM
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Originally Posted by 1998Z20what?
cool alright, i have some bugs to work out first. like figuring out why i lost 5 mph off my top end in the 1/4.

Which stall cause it sounds like the one your running isnt very efficient
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