I DD a NV4500 behind a 12 valve and even double clutching/rev matching either up or down and it is not a “fast” transmission no matter how Snowman you are east bound and down.
yeah the 3500 ain't any better haha, which is why I'm wanting/probably going back to auto which is what this tahoe had to begin. I like it for some stuff in Double Low to hang a gear but trying to shift while climbing I'm not a fan of
