What's the largest 4-Cylinder Gas Engine ever put in a car?

"K-Roll-PorscheTamer" (k-roll390) 07/22/2014 at 18:04 • Filed to: engine

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I think it's this one. 3.0L Porsche 944S2 and 968

Anything bigger?

Also, how does one get their engine looking so shiny and clean like this?

crowmolly > K-Roll-PorscheTamer 07/22/2014 at 18:06

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Pontiac had a 3.2L 4cyl back in the 60's. It's what happens when you take a 389 and chop it in half. LOL. There might be an early 1900's car that has one that's bigger still.

PetarVN, GLI Guy, now with stupid power > K-Roll-PorscheTamer 07/22/2014 at 18:07

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The Pontiac Tempest had a 3.2L inline 4 in the 60's, according to Wikipedia.

http://en.wikipedia.org/wiki/Pontiac_T…

HammerheadFistpunch > K-Roll-PorscheTamer 07/22/2014 at 18:07

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Gas only?

cause there are some big ass 4 pot diesels.

Anon > K-Roll-PorscheTamer 07/22/2014 at 18:08

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The Fiat s76 used a 28 litre four cylinder. I think that wins.

heliochrome85 > K-Roll-PorscheTamer 07/22/2014 at 18:09

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http://en.wikipedia.org/wiki/Straight-…

mcseanerson > Anon 07/22/2014 at 18:09

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As long as we only count cars than you might be right.

Vince-The Roadside Mechanic > K-Roll-PorscheTamer 07/22/2014 at 18:09

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Not that.

K-Roll-PorscheTamer > HammerheadFistpunch 07/22/2014 at 18:10

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Gas

K-Roll-PorscheTamer > Vince-The Roadside Mechanic 07/22/2014 at 18:10

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Clearly now.

HammerheadFistpunch > heliochrome85 07/22/2014 at 18:14

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Funny I was going to bring up the Toyota 15B (in the mega cruiser) but then it was gas only)

Saracen > K-Roll-PorscheTamer 07/22/2014 at 18:16

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To get an engine bay that clean is a simple formula: an arsenal of cleaning products, time, and lots and lots of elbow grease.

K-Roll-PorscheTamer > Saracen 07/22/2014 at 18:25

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Do you think the top end could be done without dropping the engine?

Cé hé sin > Anon 07/22/2014 at 18:26

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That would appear to be a starting handle on the front.

Any man who would hand crank a 28.5 litre engine must have had gentlemen's equipment as big as melons.

beardsbynelly - Rikerbeard > K-Roll-PorscheTamer 07/22/2014 at 18:26

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Mass produced, I'd say the Model A's as they were all 201's. so that's 3.3 litres.

Cé hé sin > Anon 07/22/2014 at 18:28

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Pictures here

dmcspeedy > Anon 07/22/2014 at 18:28

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28 litres and chain drive!

camaroboy68ss > K-Roll-PorscheTamer 07/22/2014 at 18:28

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1936 Hall-Scott MDL 177 4 banger. 855 Cubic Inches!

camaroboy68ss > Anon 07/22/2014 at 18:30

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probably producing less hp than a smart car

Anon > camaroboy68ss 07/22/2014 at 18:30

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Nope 300 hp!

Saracen > K-Roll-PorscheTamer 07/22/2014 at 18:30

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you could certainly disassemble the top end, clean each part, and then button the engine back up.

camaroboy68ss > Anon 07/22/2014 at 18:38

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still 300hp out of a 28 liter engine. I love these old engines but man have we come a long way

RallyWrench > K-Roll-PorscheTamer 07/22/2014 at 18:50

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Blower Bentleys were 4.5L. There are several other prewar cars that eclipse that number.

ranwhenparked > K-Roll-PorscheTamer 07/22/2014 at 18:50

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There were some early 20th century cars with giant 4-cylinders, primarily for racing purposes.

The Fiat Tipo 55 displaced a whopping 9 liters.

LuczOr > K-Roll-PorscheTamer 07/22/2014 at 19:28

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Not sure about big 4 cylinders, but you get an engine that clean by not installing it.

Jeff-God-of-Biscuits > Anon 07/22/2014 at 19:35

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What was the torque?

twochevrons > Saracen 07/22/2014 at 19:38

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And then, I presume, never actually starting it up.

K-Roll-PorscheTamer > ranwhenparked 07/22/2014 at 19:43

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My goodness..

BlasterBob > Anon 07/22/2014 at 19:53

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300 horsepower going through that exposed chain, with line of sight to that dude's face... Yikes.

catkam623 misses his 944 > K-Roll-PorscheTamer 07/22/2014 at 20:07

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The s2 had only the biggest production 4 of the time.

K-Roll-PorscheTamer > catkam623 misses his 944 07/22/2014 at 20:43

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Of it's time... :P

CPT Speedbump > Saracen 07/22/2014 at 21:09

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Or- buy all new engine parts, build a engine, never ever put any fluids in it, and never touch it.

Gimmi-Sagan-Om-Draken > K-Roll-PorscheTamer 07/22/2014 at 21:57

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1907 Thomas Flyer Model 36, 8.6 litre straight 4, 60 hp.

Gimmi-Sagan-Om-Draken > ranwhenparked 07/22/2014 at 21:59

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Wow, the Thomas Flyer was 8.6

rwd&stick > Anon 07/23/2014 at 11:08

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but approximately .09 bhp per liter!

frognuts > HammerheadFistpunch 07/23/2014 at 15:47

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Swiped from wikipedia:

"One of the largest inline-four engines is the MAN B&W 4K90 marine engine. This two-stroke turbo-diesel has a giant displacement of 6,489 L. This results from a massive 0.9 meter bore and 2.5 meter stroke. The 4K90 engine develops 18,280 kW (24,854 PS; 24,514 hp) at 94 rpm and weighs 787 tons."

Bonjour > K-Roll-PorscheTamer 07/31/2015 at 08:12

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The Mercedes Benz CLA class has the the largest 4 cylinder production engine