Quote:
Originally Posted by bigdog1250
Why would they do that? They already have one with a de-tuned LS9. I could see them starting to use the new LT1, but the LS7 wouldn't really make sense. That motor is going away since the Z06 will be and thats the only car that makes use of their 7.0L
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Like Mike said it is because they have the engine and it is cheap to do.
Also, the ZL1 uses an LSA motor which is in the CTS-V. I think the reason for it is to create more sales and because it will give them the "fastest" NA American Muscle car probably (against the Mustang & Challenger).