Myths and Lesser Known Facts of the 446 Pack and Six Barrel Engines

TLDRDiscover the truth behind the myths and lesser known facts of the 446 pack and six barrel engines, including the camshaft, rods, power numbers, and the last year of production.

Key insights

The six-pack engine had the same lift and duration cam as the high performance 440 engine.

The 446 pack rods are actually the same as the standard 440 rods.

The six-pack engine had 490 foot-pounds of torque, equal to the 426 Hemi engine.

The peak torque of the six-pack engine was at a lower RPM, making it a killer engine on the street.

Despite plans to continue the six barrel and sixpack engines in 1972, very few were actually built.

Q&A

Did the six-pack engine have a different camshaft than the high performance 440?

No, the six-pack engine had the same lift and duration cam as the high performance 440 engine.

What are the 446 pack rods?

The 446 pack rods are actually the same as the standard 440 rods.

How much torque did the six-pack engine have?

The six-pack engine had 490 foot-pounds of torque, equal to the 426 Hemi engine.

Why was the six-pack engine great for street performance?

The peak torque of the six-pack engine was at a lower RPM, making it a killer engine on the street.

How many six-pack engines were built in 1972?

Very few six-pack engines were built in 1972, despite plans to continue production.

Timestamped Summary

00:00The six-pack engine had the same lift and duration cam as the high performance 440 engine.

00:19The 446 pack rods are actually the same as the standard 440 rods.

01:30The six-pack engine had 490 foot-pounds of torque, equal to the 426 Hemi engine.

02:06The peak torque of the six-pack engine was at a lower RPM, making it a killer engine on the street.

04:17Very few six-pack engines were built in 1972, despite plans to continue production.