[Z06] Supercharge A Non "Z"?
Certainly none of my business but does this sound like the best use of $7,500.00?
He said he was told that he would get about 600hp to the rear wheels and could 'destroy' the C6 Z.
The car is not raced and is not a dd. Has only a Corsa exhaust as a mod. He just wants to.
I spent the money to supercharge my "Z", but there's no way to really justify it, I'm sure it wasn't the best use of that money....... it was totally for fun. And boy is it fun!!!
Whether or not it's a "Z", there are plenty of supercharged Corvettes that are fast and fun.........
Don't know that the expense of any of the performance builds for a car that is mostly street driven is the "best" use of that money..........
But did I say how fun it is...?
Being that he has a 350 crank hp LS1 with a catback that adds 10hp or less.... he "would" be pushing 440 hp at the wheels.
A stock C6Zo6 puts out 430~440 rwhp. With a tune it will put out 450 easy.
"Destroying" a C6 Zo6 is not going to happen especially with the higher (7000 rpm) redline the Z will pull out farther with each gear change. If the Z is modified.... bloodbath for your buddy.

If your friend wants 600 rwhp, he can drop the compression ratio and up the boost to 10 psi. The best way is with a forged bottom end and dished pistons, or on the cheap you can use 317 casting heads from an Escalade. Or.... he can not change heads and add a methanol injection kit to up the boost to 10 psi... don't forget the maxed out fuel pump.
Trust me, I've built an LS1 to over 600 rwhp using TwinTurbos. It's a slippery slope. With that power the tranny, differential (basically everything between the flexplate and pavement) will protest the power.
And one last thing; 600 rwhp is not always fun, traction is nowhere to be found, and blah, blah, blah blah blah...
Last edited by ~Josh; Nov 7, 2009 at 11:43 PM. Reason: You try typing on an iPhone, errors will happen...
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Of course it was done in NJ (home of East Coast Supercharging) I understand what you are saying about the rest of the driveline, put your quote above is extremely pessimistic...
Plus if you breakdown the cost per pony, a forced induction setup rates pretty high.
Being that he has a 350 crank hp LS1 with a catback that adds 10hp or less.... he "would" be pushing 440 hp at the wheels.
A stock C6Zo6 puts out 430~440 rwhp. With a tune it will put out 450 easy.
"Destroying" a C6 Zo6 is not going to happen especially with the higher (7000 rpm) redline the Z will pull out farther with each gear change. If the Z is modified.... bloodbath for your buddy.

If your friend wants 600 rwhp, he can drop the compression ratio and up the boost to 10 psi. The best way is with a forged bottom end and dished pistons, or on the cheap you can use 317 casting heads from an Escalade. Or.... he can not change heads and add a methanol injection kit to up the boost to 10 psi... don't forget the maxed out fuel pump.
Trust me, I've built an LS1 to over 600 rwhp using TwinTurbos. It's a slippery slope. With that power the tranny, differential (basically everything between the flexplate and pavement) will protest the power.
And one last thing; 600 rwhp is not always fun, traction is nowhere to be found, and blah, blah, blah blah blah...

This sounds about right to me.
If this is a road course race, the C6Z should win. In the 1/4 mile, that may be a different story. It just depends on what they mean by "Destroy" because there's more than one type of race.
For drag racing, the C5 will have better rear-end gears for a FI setup as long as he has good tire, and the C6Z is going to have the disadvantage of being geared more for road course than drag strip. Aerodynamically, they're close. I believe the C6Z is slightly more aerodynamic, but this shouldn't be an issue until after 100MPH based on the fact that they're already so close.
I don't see a bone stock LS1 with a 7.5PSI blower making more than 500 to the ground. In fact, I'd picture it being closer to about 460-480rwhp (if he's lucky). In a straight line, that should be good enough to beat the C6Z.
One thing's for sure. That A4 and those gears (probably 2.73s) will blow up like the 4th of July.
The C6Z is listed at 3132lbs, while the C5 A4 is listed at 3270lbs from both Edmunds and InsideLine. While 150lbs isn't huge, it is a difference.
This guy's friend is running an A4, so it would be an interesting race.
A stock A4 with a stock convertor. Won't matter as much with a roots, but might hurt a centrifugal.
If this is a road course race, the C6Z should win. In the 1/4 mile, that may be a different story. It just depends on what they mean by "Destroy" because there's more than one type of race.
For drag racing, the C5 will have better rear-end gears for a FI setup as long as he has good tire, and the C6Z is going to have the disadvantage of being geared more for road course than drag strip. Aerodynamically, they're close. I believe the C6Z is slightly more aerodynamic, but this shouldn't be an issue until after 100MPH based on the fact that they're already so close.
I don't see a bone stock LS1 with a 7.5PSI blower making more than 500 to the ground. In fact, I'd picture it being closer to about 460-480rwhp (if he's lucky). In a straight line, that should be good enough to beat the C6Z.
I'd say 450-460rwhp would be more realistic and through an A4. Depending on the HP curve and redline of the blown C5 in relation to the gearing, it could go either way.
One thing's for sure. That A4 and those gears (probably 2.73s) will blow up like the 4th of July.
That's almost a given with a sticky tire.















