Nice find, I’m jealous!

You may have a challenge squeezing a 5.3 in there but I’m sure it’s doable.

Here’s my 38 I did back in 03. 350/350 and pro street rear (what was I thinking?) from a 75 Camaro.

Look forward to seeing your progress.
Attachments
197359FC-AC00-4643-8849-1783F48E9BAD.jpeg (204.24 KB, 447 downloads)
A030AD1B-9B65-46A1-B32E-76889AB5F2AA.jpeg (205.71 KB, 457 downloads)
BF1F75AD-E6C4-43AF-AC22-A20B705E0B94.jpeg (179.5 KB, 441 downloads)

Dan

35 CC Case
38 Chevy Pickup
51 3100 AD
58 3100 Apache Fleetside