Well lets see now...

2 inline 4200 - 1 in the '51 and the '06 4200 sitting in its bed waiting for attention..

a 406 sbc in the wagon...
a stroker 434 sbc on the engine cradle waiting for diagnosis what ailiin' it - the '51 got priority
2 400 sbc waiting for there turn to be assembled.
and a turd 350 in the camaro


51 GMC 4.2 turbo
Can't solved today's problems using the same technology/thinking that created them