Hot Rod 340 builds and dyno test.

The article is OK in the sense of what can be done with a well machined 340. You aren't getting there with an OEM machined 340 or parts.

The rockers if a true 1.5 ration will show a bunch more valve than the 1.40-1.43 stock stamped stuff. Not slinging the OEM spring and having beehives help with valvetrain weight.

Looks like a pretty clean throat cut on those heads too...

Lots of little things that add up.

Mid-high 90's was a good mph for a stock 340 A body car back then.