I'm not making any hasty decisions, tweaking and changing as I learn about the car. I want to get it as far as I can with the 3.55's. My build plan was originally for 4.10's, just haven't gotten the extra 489 case I have built yet. I'm actually impressed with the 3.55's, 12.51@5600ft is a pretty stout street car at sea level. Next TnT I will have both the 750 and the 850dp's on hand along with all my little carb goodies for some more tweaking.
I have noticed though, If I load up the converter some, launching from 2000 and up the 60ft suffers.. I get the best ET and 60fts launching off idle and letting the converter flash. I'm not really sure if that is something I can tune out or if that's just how the cookie crumbles.
