Thanks again.. 
Big Difference going from 3800 stall to 4000?
Depends on converter.... If they are the same brand and set up you shouldn't see much difference..... Example loose 3800 to a tight 4000. The 4000 would have more drivability, especially for a DD. If you are looking for a tight 4000, I have heard nothing but praise about Yank being tight. Vigilante is on the same level but a little looser than Yank.
Yank told me that the difference between the SS3600 and SS3800 (200rpm stall speed) would turn into a difference of a 400rpm shift extension. Make sure you are considering that also.
Thanks for the info..I want to go from a vigilante 3800 to a Yank 4000..My car is already tuned with the vig 3800, I hope it doesn't screw up everything & not shift for me at WOT
I don't want it to stall lower, A little tighter would be good..I have always read that the Vig's stall higher than advertised..weird thing is I went from the old school ST3500 yank to a Vig 3800 & they felt exactly the same..I really want to go back to yank but don't want to go to high of a stall for my application..Don't know if I want to go over 4000 on a daily driver, but I do want to try to squeeze a little more et out of it as I do drag race about once a month..I was dead hooking on my current setup to get that 12.21..
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I need a converter no matter what..Trans took a dump. I don't want to wait to send the converter to vigilante to "freshen Up"..I can get up & running & then send the converter back & have it for a spare or sell it...
i just switched to a yank py4000e from a vig 3600, and i can't tell the difference around town. at wot the vig flashed higher. shift extention might be a tad lower with the yank too. i think if i hadan't torn the lockup clutch out of my vig i would still have it. we'll see if i change my mind when i spray it.
Last edited by kickassT/A; Sep 10, 2006 at 04:55 PM.