Some Pontiac V8s have the displacement stamped on the block itself. 428 cubic inch V8s made in 1968 and 1969 have a "428" between the freeze plugs, and some engines after 1970 have their ...

SPECIFICATIONS. 1968 Pontiac GTO 428 / Royal Bobcat. VEHICLE TYPE Front-engine, rear-wheel-drive, 4/5-passenger sports sedan. PRICE AS TESTED $5,099.00. ENGINE TYPE Water-cooled V-8, cast iron ...

Correct me if I'm wrong (you can use the comment box after the jump for this), but I believe YH engines were all 2-bolt mains, albeit Pontiac drilled 428 units for 4-bolt setups. 4-bolt mains ...

Ames Pontiac 389/400/455 Motor Mount Adapters: How to Interchange Early and Late Pontiac V-8 Blocks with Two, Three, or Five Engine Mounting Bolt-Holes Per Side.

This 428CI Pontiac Engine from out 2013 Engine Masters ... "I was doing some engines for David Vizard's big-block Chevy engine book, ... The bore and stroke combination comes to 428 ci, ...

This was thanks to the 428 being a magnificent example of Pontiac's inventiveness in getting over GM's mid-size engine displacement regulations. The engine was really powerful, too.

Some Pontiac V8s have the displacement stamped on the block itself. 428 cubic inch V8s made in 1968 and 1969 have a "428" between the freeze plugs, and some engines after 1970 have their ...