well with our super charger we get better highway millage as long as you stick to the speed limit. We still get around 15 highway, town is another story but if you dont get into it that much it is only around 10-12 witch is still better than my 460 and is about twice as quick.

 

you better believe it would

 

the block is fine, the rods and pistons are the problem (usually holds true for most mod motors...) and agree with ace, depends more on how much boost you plan on running, not necessarily how many turbos you run.