10-11-2013, 04:14 PM
I personally wouldn't trust the stock tranny to handle 8psi, i'd at the absolute minimum do some internal upgrades on it like a valvebody, or the first set of clutch packs. And john lentech charges 689 for their TC, not sure where you get 900 from.
http://www.lentechautomatics.com/4F27epricing.htm
http://www.lentechautomatics.com/4F27epricing.htm
Little bit of show, little bit of go.