702ci V12 – 1960’s GMC monster

The 60’s and 70’s were an amazing time for cars.

“The block is one-piece with oversized bore spacing for improved cooling, and it’s equipped with seven main bearings,” says Ron Quarnstrom, who is forming a strategy to dyno test this engine at his R&R Performance shop in Minnesota. “It also has a one-piece, hardened forged-steel crankshaft that weighs 180 pounds.”

The following two tabs change content below.

• Bio
• Latest Posts

Nic

Empire motoring Journalist, Vlogger and general larakin. Pro food and lifting heavy things.

Latest posts by Nic (see all)

• WIN! The ultimate Minecraft Cubeez™ - February 17, 2025
• Triumph Bobber – Review – The Open Road - February 14, 2025
• The Busa – An experience – The Open Road Extras - February 3, 2025
• Kennards Hire Giveaway – Freestyle Kings DUNEDIN - January 30, 2025

Comments

comments