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.
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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