“Feeler Gauge” Blueprint: Home Blueprint a Trick Short-Block—Without Trick Tools! Originally published in the October 1989 issue of Hot Rod magazine. HOT ROD Staff Writer Jan 01, 2023.

To use the straight edge, place it on the face of the cylinder head or block, then use a feeler gauge to check any gaps between the straight edge and the surface.

AI Quick Summary. The October 1989 article by Marlan Davis provides a DIY guide for blueprinting a Chevy V-8 engine using basic tools like a feeler gauge, dial indicator, and Plastigauge.