Differences between Corvette ZR1 and Cadillac CTS engines

 

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is this to promote the ZR1? i dont get why they made this video.

 

To explain why the CTS-V uses a supercharged LSx engine and has less output than the ZR1 which also uses a supercharged LSx engine.

 

^^^^And the reason for all of this is that GM can't have the CTS-V be as powerful as its flagship Corvette.....

 

meh, nothing a pulley, headers and tunning cant fix.