I'm looking at swapping my NBS '99 Silverado 1500's TBI 4.3L for a 5.3L LS1 and wanted to know if there's any difference in the 5.3L's from '99 up that would make the swap either easier or harder.
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I'm looking at swapping my NBS '99 Silverado 1500's TBI 4.3L for a 5.3L LS1 and wanted to know if there's any difference in the 5.3L's from '99 up that would make the swap either easier or harder.