The 4 speed saginaw would clearly be my choice, given the setup you mentioned. A 2 speed transmission combined with an extremely high gear like the 3.08 = very slow acceleration. I wouldn't use a powerglide with any rear end gear higher than 3.73.
Let me put it like this - given the same exact setup in another "lightweight speedster" car, except that it has a 4 speed saginaw tranny, I'm betting my money on the Saginaw car in the 1/4 mile every time.
-magic mike-
[This message has been edited by magic mike (edited 10-30-2002).]
