Glossary / General

plenum

13 Episode Mentions

Too Afraid to Ask

A plenum is a part of the car’s engine that helps air get to where it needs to go; people sometimes change it to make the car run better.

Technical Definition

A plenum is a chamber in an engine that distributes air to the cylinders, often modified for performance.

Hear It Discussed

"Can you see it? Plenum. Plenum. Plenum. The intake board is connected to an air plenum."
We Bought the Most Original Porsche 356 Left on Earth Spike's Car Radio 21:58

"...remove plenum. You're like, right, I've unhooked the things, remove plenum. You have jumped there. You have put a lot of steps into one step."
The ZR1 is INSANE; Wooden Manx; M3 Wrenching; Q&A The Smoking Tire 05:10

"The plenum, I heard, can go bad. I bought a new plenum, but they didn't put that on."
How Is Your Car Doing? We Can Help Repair It With Live Advice Under The Hood show 01:53