Best Engine to mod and build.. LB7,LLY,LBZ, LMM,..

[Smokesignals]

What is the Best Engine to mod and build.. LB7,LLY,LBZ, LMM,..

What is the best duramax engine to mod and build? and why? (not sure if this is the best place to post but..)

 

[Bonestock]

Lb7 they come with Big Ballz out of the box lol!

 

[Subman]

LBZ using an LB7 crank. Or an LB7 with threaded injector cups.