Is the 401 Nailhead a Big Block?
The Nailhead Is Not a Big Block. Buick Small Blocks Are 215, 300, 340, and 350. Is the Buick 401 Nailhead a Good Engine? Our 401 Buick Nailhead Engine Is a...
The Nailhead is not a big block. Buick small blocks are 215, 300, 340, and 350.
Is the Buick 401 nailhead a good engine?
Our 401 Buick Nailhead engine is a good, unusual, high performance street rod engine with lots of torque, and with it's own unique look.
How much horsepower does a Buick 401 nailhead have?
A 325hp 401ci nailhead was introduced for 1959 in the high-line Invicta and Electra models with the odd moniker Wildcat 445, referring to 445 lb-ft of torque. The Wildcat name and torque output would designate all nailheads built through 1966.