[newmoon]

[QUOTE=BigDan;4334950]Quite a few cars/ trucks are pushing around 15psi right off the show room floor and some of them like the 14 psi WRX's dont even have forged internals. The GT500 has a hand built forged 5.8L with a larger 2.3L TVS supercharger and the older 5.4 stock bottom ends can easily be taken to 21psi+ 1,000hp and 8 second 1/4's where as the LSA is stuck at low boost due to its fragile design and hypereutectic pistons. They are 2 completely different types of engines especially when you consider the 5.8L's ability to make 650hp at 6,250rpm and 670hp at 7,000rpm, its gonna pull like an exotic on the top end. The LS9 is a better comparison because its hand built and forged high revving engine can handle the addition boost and abuse a larger twin screw blower like a 3.4L Whipple or 3.6L Kenne Bell. If they would of put the LS9 in the ZL1 and the 2013 GT500 never was released I would seriously be looking to find a dealer to take my 2011 GT500 on trade.


15 PSI should not be a problem with the GT500 motor as many of the older models and the 03/04 Cobras are running that boost level, considering it is beginning at that level though I do not think there is a whole lot to gain by upping the boost and the IATs. THe car should have 560-570 at the wheels which is plenty stout.

The problem for it is the ZL1s may have a superior launch control and an automatic version bone stock may give the higher hp GT500 more than it can handle on the 1/4. We see this problem all the time with the 500s in my area, they can not hook until 3rd gear on stock rubber and by then they are playing catch-up and running mid to high 12s. Now you are adding over a 100hp and 50 lbs of torque, to a manual car with limited rubber on the ground. Now Ford says they have solved this problem, we shall see. We do know thay Chevy knows how to get it done as ZR1s running low 11s to high 10s on bone stock rubber. Should be interesting!!