How about a Callaway 602HP ZR2?

landpilot

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Looks like you'll be able to order the 5% ZR2 production with a Callaway supercharger upgrade that takes the 6.2l to 602 hp and 560 lb-ft of torque. No word on whether you can have it retroactively installed... it does come with a 3yr/36K mile warranty. Starts at $25K :eek:

2023-silverado-zr2-1.jpg
 
Im more interested in how they are doing the fuel and spark maps on Global B.

Any “upfitter” package isn’t cost effective. You pay for the name.

Realistically, a DIY TVS would be about 7k.
 
Was just wondering this morning if an LT4 supercharger would drop on the 6.2
 
It sure will! Ya just have to find someone unlock the ecu and tune it.
 

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