How We Built A 638 HP LS9 Engine For A Corvette ZR1
Normaly that headline in a car-mag or site would be followed by an article on hopping up a motor, possibly the original, or a crate motor, maybe one from a junkyard, with lots of tips on how to select the optimum rod length, valve grind angles...
Jalopnic, in this story, follows a new LS9 assembly in GM's "Performance Build Center". Some pretty interesting pics, and of course being a production facility, you know GM has all the best toys!
Hey we're always told to torque head bolts in stepped sequence... Check out this tool torquing all the head bolts simultaneously!

Normaly that headline in a car-mag or site would be followed by an article on hopping up a motor, possibly the original, or a crate motor, maybe one from a junkyard, with lots of tips on how to select the optimum rod length, valve grind angles...
Jalopnic, in this story, follows a new LS9 assembly in GM's "Performance Build Center". Some pretty interesting pics, and of course being a production facility, you know GM has all the best toys!
Hey we're always told to torque head bolts in stepped sequence... Check out this tool torquing all the head bolts simultaneously!
