Originally Posted by devildoc
Wow I love all this speculation. Now here are questions I pose to myself and hopefully some people can answer reasonably.
1. How much weight would be saved going from the 6.2L to the new 5.5L (aluminum block right?) from just switching out engines?
2. Why not give the V6 the 3.0L LF3 engine! GM's got the engine, hopefully, they are just finishing up testing it.
none whatsoever, since it is still a smallblock v8. the Ls7 weighs the same as the ls3.
edit: GM's 5.5 v8 is the 6.2 block with the crank of the 4.8.