461 cid Pontiac stroker engine
1971 Pontiac 400 bored and stroked to 461 cid. It has a all Forged rotating assembly from Butler Performance out of Leoma, TN. 4.25 stroke crank, 6.80" h-beam rods, custom Ross forged pistons, fully balanced, with a custom Butler Performance solid roller cam. Roughly 600-650 hp on pump premium. Machine work and assembly by Jack Conklin at Performance Machine in Freeman, MO.
455 Pontiac engine With Edelbrock Performer heads on Dyno
455 Pontiac engine being run on engine Dyno with Edelbrock performer heads
Tin Indian Performance 510 cid Pump Gas Pontiac Engine 760 hp 704 ft lbs of torque ideling on dyno
Tin Indian Performance 510 cid Pontiac Engine that make 760 HP and 704 ft lbs of torque with a MR-1A Aluminum block and 80 cc KRE High Port Heads ideling before a Dyno pull think . Pontiac . power