Spaw -

He's probably a bit distracted 'cause he's workin' on that engine about 60 feet under water, which probably requires more than usual concentration.

When you suck all of the air out of something the most you can get is about 15 pounds (per square inch assumed) of "vacuum" (at sea level, in air, on planet earth) so his 22 pounds of suck on the manifolds must mean he's deep under water or on Jupiter.

(yeah, quibble quibble quibble) I'd bet his gage says inches of Mercury (inHg), and 22 inches is still pretty respectable - admirable even, for an old - - -

piece of hardware.

John