Question for you Vette Guys!!!

It has windows at the bottom of the sleeve for better pressure distribution. The driveshaft is lighter, not stronger. In 2001 all C5's got better driveshaft couplers w/ a revised design... the don't have the degradation issues of pre '01 cars when beat on. Also '01 and up cars have much better rod bolts. If you're going to put H/C on a pre '01 LSX and spin it over 6000 rpms regularly a rod bolt upgrade is suggested.
For me its a Z06 that i want though.
For me its a Z06 that i want though.

Seriously though... the above advice is right. If you want a track rat you don't need more than 350 ponies. Get a cheapo FRC, do a fluid enema, T-1 suspension kit, seats, harnesses, and tires/allignment and you'll be flying.
Seats and hoosiers or (insert slick of choice) will make you faster than any H/C package.
However... if you're a noob to HPDE's then get an FRC + tune up/fluid enema then some harnesses and harness bar etc... then go learn first. Commit to running 4-5 hpde's before any mods.
You'll find that most driving instructors leave their cars stock... esp w/ a z06... many have a stock car w/ wheels/slicks and harnesses.
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Last edited by David Gordon; Dec 19, 2006 at 10:46 AM.

Better block? The LS6 block can't hold anything the LS1 couldn't and if anything the LS1 is better to throw boost at due to C/R. I threw a pile at my pistions as well and they're not known to go in these cars either so no worries there.
The $$ spent on a Z goes into the name more than the mods you get. If you're going to mod a car, the FRC or coupe are better choices. If you want to drive a 350hp car that will hold decent value, get the Z.
The aluminum block casting on the LS6 deletes machined holes in the LS1 bulkhead and adds cast-in "windows" that allow better bay-to-bay breathing. On the downstroke, the pistons push air back toward the crankcase, creating backpressure or resistance, and that translates into parasitic horsepower loss because it resists piston motion. With the overtravel windows, air is allowed to move more freely between crankcase bays, thus relieving the unwanted pressure.

