Quote Originally Posted by rspears View Post
I'm not saying that it's the right choice for a build, but the old powerglide can indeed be built to handle the horsepower and torque. Here's just one of many articles pointing out the specifics of building one for rugged service - Powerglide Transmission Build - Building a Two-Speed Trans for Our '95 Camaro Drag Car - GM High-Tech Performance Magazine A quote from the article tagged here,

Yup, agree with that 100%. BUT! The OP is under the assumption he can just bolt a 600 HP BBC in front of that stock 6 cyl. PG and go racing... THAT is not going to happen. AND if he wants something that is "drivable on the street" he needs to go OD for livable RPM's...
Mark