Quote: Originally Posted by
georgejetson 
The 6.1 is going to be upgraded for sure. According to various insiders, the 6.4 won't replace the 6.1, it'll be used to create a new tier.
So the 6.4 will be like a whole new version> like SRT-8
R or something like that? Hmm wonder how much that will cost. Probably a grip. Or will it stay just a crate motor?
