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
 

wutang61

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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.
 

Gbu27

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Was just wondering this morning if an LT4 supercharger would drop on the 6.2
 

Diesel328

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It sure will! Ya just have to find someone unlock the ecu and tune it.
 

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