Top Dead Center-Bottom Dead Center artwork

Automotive · Mark Hoyer and Kevin Cameron

Top Dead Center-Bottom Dead Center

by Mark Hoyer and Kevin Cameron

Kevin Cameron and Mark Hoyer talk motorcycles, transportation and technology. Kevin is one of the greatest technical writers on motorcycles and other transportation the world has ever known and Mark has ridden or tested every significant motorcycle produced since 1995. Join them every Wednesday at noon Eastern/9 a.m. Pacific for the TDC/BDC Podcast.

Latest episodes

Showing 10 · updated from the feed

Still Smokin'! Yamaha's Giant Killer RD350 and RD400 two-strokes!

The Yamaha RD350 and RD400 made a huge impact on the motorcycle world, selling in the hundreds of thousands around the world. Compact, lightweight, and excellent handling

Nov 11
1 h 11 min

The Twin That Wouldn't Die! Norton's "Export Twin" is One of the Greats

Norton's Export Twin was designed in 1947 by Bert Hopwood and powered most of the company's motorcycles until the end in 1975. It grew from 500cc to 828cc and features on

Nov 4
1 h 06 min

TOO MUCH OF EVERYTHING! Yamaha's Legendary TZ750 Four-Cylinder Two-Stroke

King Kenny Roberts had a lot to say about the Yamaha TZ750: One, "It had too much of everything." And two, "They don't pay me enough to ride that thing." The legendary an

Oct 28
1 h 05 min

Carburetor Tuning Secrets! How Do Carbs Work?

Carburetor tuning is often referred to as one of the dark arts, but a little study and some methodical work can yield great results. Kevin and Mark explore the intricacie

Oct 21
1 h 14 min

Chassis Revolutions! Milestones in Frame and Suspension Technology.

Find Kevin and Mark on Patreon to support their work directly and get episodes commercial-free: https://patreon.com/TopDeadCenter_BottomDeadCenterChassis evolutions and r

Oct 14
1 h 11 min

5000-hp(?) Insane two-stroke V-12 aircraft engine: The Rolls-Royce Crecy

Piston aircraft engine development during World War II was vigorous (and goverment funded!) and the supercharged V-12 Two-Stroke V-12 Rolls-Royce Crecy was the next step.

Oct 7
1 h 04 min

Why Electric Superchargers on Gas Engines? Why Now?

Find Kevin and Mark on Patreon to support their work directly and get episodes commercial-free: https://patreon.com/TopDeadCenter_BottomDeadCenterTurbos and superchargers

Sep 30
1 h 03 min

Millions of Harley-Davidson Sportsters?! How Did H-D Sell So Many?

Find Kevin and Mark on Patreon to support their work directly and get episodes commercial-free: https://patreon.com/TopDeadCenter_BottomDeadCenterFrom 2004 to 2022, Harle

Sep 23
1 h 20 min

Honda's Genius and Madness: Tech tricks that worked and ones that didn't!

Find Kevin and Mark on Patreon to support their work directly and get video and audie episodes commercial-free, plus member-exclusive content: https://patreon.com/TopDead

Sep 16
1 h 10 min

Kevin Cameron and Mark Hoyer are Back with the TDC/BDC Podcast!

Kevin Cameron and Mark Hoyer return with their motorcycle minded technically informed podcast. But it's not just motorcycles and it's not even just about transportation a

Sep 9
1 h 17 min

Chart trend

Position in the Automotive chart (US), last 90 days.

#12
all-time peak
31
days in the top 50 since Sep 2026

Chart positions

Where Top Dead Center-Bottom Dead Center ranks today in each Apple Podcasts chart (US, Nov 12, 2026).

#85 ▲ 54 Automotive US

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About Top Dead Center-Bottom Dead Center on Reason.fm

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