Here's my advise re the 292, there is a great book on this motor called " Chevrolet Inline Six Cylinder Power Manual by Leo Santucci.
Available on Amazon around $20. Everything you ever wanted to know re. Chev inlines built after 1963, 230, 250 292. Best of luck

https://www.amazon.com/Chevrolet-In...;qid=1565364895&s=gateway&sr=8-1


It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed