Firewall/Distributor clearance

[907rs]

You're right. All first gen smallblocks are dimensionally identical. It sounds to me like he may have a different motor mount/stand combo.

[68protouring454]

gm offered 2-3 different frame side engine mounts, which all set the motor in a different spot, they made 2 different sb mounts and 1 bb mount, i know on my 68 with repro bb mounts from ricks that i have enough clearance also for an HEI style dist.
jake

[71Nova]

It could even be a worn out tranz mount letting the engine tilt back a little.