Thirty-five engines, all runnable.

Diesel V16 60L

Sixteen cylinders and sixty litres. Its redline is lower than most engines' idle.

16 cyl · 60.4 L · diesel · turbo

Same bore, stroke, compression ratio and displacement as the Cummins QSK60

W16 8.0L Quad-Turbo

Sixteen cylinders in four rows over two heads, and a thousand horsepower asking for all of them.

16 cyl · 8.0 L · gasoline · turbo

Same bore, stroke, compression ratio and displacement as the Bugatti W16

V10 8.4L

Ten cylinders, a 72° firing interval, and eight and a half litres of it.

10 cyl · 8.4 L · gasoline

Same bore, stroke, compression ratio and displacement as the Dodge Viper 8.4 V10

Turbo Diesel V8 6.7L

The same diesel with a turbo and an intercooler. Peak torque just over 2,000 rpm.

8 cyl · 6.6 L · diesel · turbo

Supercharged V8 6.2L

A belt-driven blower on the crank. Boost the instant you ask for it.

8 cyl · 6.2 L · gasoline · supercharged

Same bore, stroke and compression ratio as the Dodge Hellcat 6.2 HEMI

W18 6.3L

Three banks of six on one crank — the broad-arrow Bugatti drew before the W16 existed.

18 cyl · 6.3 L · gasoline

W12 6.0L

Two narrow-angle banks on one crank — twelve cylinders in the length of a V8.

12 cyl · 6.0 L · gasoline

Same bore, stroke, compression ratio and displacement as the Volkswagen W12

Inline-5 2.5L Turbo

Five cylinders, 144° apart. Half a V10's beat and none of a four's symmetry.

5 cyl · 2.5 L · gasoline · turbo

Same bore, stroke, compression ratio and displacement as the Audi 2.5 TFSI

V12 6.0L 60°

Twelve cylinders, perfect primary and secondary balance, and a noise nothing else makes.

12 cyl · 5.0 L · gasoline

Turbo I6 3.0L

Intercooled single turbo on 8.5:1. The classic boosted-six recipe.

6 cyl · 3.0 L · gasoline · turbo

Same bore, stroke and compression ratio as the Toyota 2JZ-GTE

V8 5.0L 90°

Cross-plane burble. The dyno chart everyone screenshots.

8 cyl · 5.0 L · gasoline

Two-Stroke Diesel I6 7.0L

The Screamin' Jimmy — a uniflow two-stroke diesel whose Roots blower every dragster borrowed.

6 cyl · 7.0 L · diesel · supercharged

Same bore, stroke, displacement and compression ratio as the Detroit Diesel 6-71

Diesel V8 7.3L Power Stroke

Mid-nineties heavy-duty truck diesel. All of its torque lands before 2,000 rpm.

8 cyl · 7.3 L · diesel · turbo

Same bore, stroke, compression ratio and displacement as the Ford 7.3 Power Stroke

Diesel V8 6.7L HD

Naturally aspirated 6.7 diesel V8. All torque, no boost.

8 cyl · 6.6 L · diesel

Inline-6 3.0L

Naturally aspirated straight-six. The 2JZ-GE shape.

6 cyl · 3.0 L · gasoline

V6 3.0L 60°

Sixty-degree banks and a snarl all of its own.

6 cyl · 3.0 L · gasoline

Boxer-6 3.0L

Opposed pistons, a low crank line, and the exhaust note Porsche built a religion on.

6 cyl · 3.0 L · gasoline

VR6 2.8L 15°

Fifteen degrees between banks, one cylinder head, and a growl all its own.

6 cyl · 2.8 L · gasoline

Same bore, vee angle and displacement as the Volkswagen VR6 2.8 (AAA)

Inline-4 2.0L

The honest daily-driver four. Learn the basics on it.

4 cyl · 2.0 L · gasoline

Same bore, stroke and displacement as the Honda K20A

Boxer-4 2.0L

Flat, low and wide, with the burble that started a cult.

4 cyl · 2.0 L · gasoline

LPG I4 2.0L (Autogas)

Runs on autogas. Vapor lock arrives earlier than you think.

4 cyl · 2.0 L · autogas

Diesel I4 2.0 TDI

Compression ignition — glow plugs first on a cold morning.

4 cyl · 2.0 L · diesel

Two-Stroke 250 MX

A 249 cc single that fires every revolution. Off the pipe it is nothing; on it, everything.

1 cyl · 249 cc · gasoline

Same bore, stroke and displacement as the Yamaha YZ250

Two-Stroke I3 750

Three cylinders, six power pulses every two turns — a 748 cc Saab-style screamer in a haze of premix.

3 cyl · 748 cc · gasoline

Same bore, stroke, displacement and compression ratio as the Saab 93 two-stroke

Thumper 500

One long-stroke pushrod cylinder. The thump a dirt bike is named for.

1 cyl · 499 cc · gasoline

Same bore, stroke, compression and displacement as the Royal Enfield Bullet 500

Utility Single 163cc

The 163 cc overhead-valve single behind every generator, mower and go-kart.

1 cyl · 163 cc · gasoline

Same bore, stroke and displacement as the Honda GX160

P&W R-2800 Double Wasp (18-cyl twin-row)

Eighteen cylinders, two rows, forty-six litres. The engine that flew the Corsair.

18 cyl · 46.0 L · avgas · supercharged

Vedeneyev M-14P (9-cyl radial)

Nine cylinders in a star, one master rod carrying eight. Aerobatic legend.

9 cyl · 10.1 L · avgas · supercharged

Naturally Aspirated 4-Rotor 2.6L (26B)

Four rotors, Le Mans pedigree, and a redline that keeps climbing.

4 rotors · 2.6 L · 9,000 rpm

Same rotor count and chamber displacement as the Mazda R26B (787B)

Naturally Aspirated 3-Rotor 2.0L (20B)

Three rotors stacked for a howl no piston engine can fake.

3 rotors · 2.0 L · 8,000 rpm

Same rotor count and chamber displacement as the Mazda 20B-REW

Naturally Aspirated 2-Rotor 1.3L

Two inline rotors, six moving chambers, and no pistons at all.

2 rotors · 1.3 L · 8,500 rpm

Same rotor count and chamber displacement as the Mazda 13B-REW

Naturally Aspirated 1-Rotor 654cc

One rotor, three chambers — the smallest, revviest thing in the lineup.

1 rotor · 655 cc · 9,000 rpm

GE J85 (hydromech)

Hydromechanical fuel control. Slam the throttle and it WILL surge.

20.00 kg/s · OPR 7.0 · 16,500 rpm

GE J85 (FADEC retrofit)

Digital schedules ride just under the surge line. Slam-proof.

20.00 kg/s · OPR 7.0 · 16,500 rpm

JetCat P300 (micro)

Hobby microjet: 0.5 kg/s, 105,000 rpm, ECU-protected start.

0.50 kg/s · OPR 3.6 · 105,000 rpm