Recently saw these on C/L #s approximate:

Longblock Gen 1 block fully machined flat tops vortec heads never run $600 (might still be there) Easy 375 hp crank and over 400# tq

Roller cam TBI motor shortblock $225

Running 5.3L including intake and accessories $800

'97 vortec 5.7 97,000 miles $650

I've seen so many deals on Gen 1 stuff I've considered storing my NBS and building a '72 swb just cuz it would be so cheap and fun.

Just try to get a 1-pc seal - roller cam motor