G-body does not have a K member like an F-body does. the engine cradle is welded to the frame. however, it does have multiple bolt holes that allowed the same chassis to carry every engine from BBC, BBO, BB Buick, SBC, SBO, chevy 4.3, buick 3.8. I'd imagine the position for SBC would work with LS1
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2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10
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