How about a Callaway 602HP ZR2?

landpilot

Founding Member
Jun 14, 2022
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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.
 
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