I jumped on that band wagon two years ago. But in all honesty, it's pretty much the same engine. Other than bigger displacement the other differences aren't that big. Lingenfelter makes a module now so you don't have to tear the block down and put in a 24xx reluctor wheel to retro fit it in the late 4th Gens.
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-Felipe

2001 WS6: SDPC LS7 Shortblock, L92 heads upgraded for .600 lift,
L76 intake, Nick Williams TB, Comp Cams 224/228 .581/.588 114+2LSA,
1 7/8 LT's, GMMG
waiting for some boost
2003 Silverado 1500HD
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