You would love 2-stroke Detroits…

I too, think everyone should be interested in the most efficient engines. You do not want a high horsepower, high revving, or many cylinder engines. Please do not buy them! let become super cheap so we know efficiency is superior.

190 horsepower from an 8.2L V8

That specific motor in the caddy, I’ve always wondered what kind of gains would happen if you swapped out the heads for edelbrock cnc whatever run of the mill, intake manifold & carb.

GM engineers creating a 30 hp 20L v8

Those 70s boat anchors were in part to low compression ratios, smog trash on the back, choked up intakes, and so little of cam and crap heads that they’d only spin 4k to 5k rpm before floating the valves. They usually had some torque, but no rpm to make hp with.

I’d love to see a modern GMC cyclone have some engine tinkering done with a modern tuner

The interesting thing is how they managed to squeeze so little power out of such massive displacement.

Driving-wise, they suck. All the power of a Volkswagen 4-pot with none of the eagerness to rev. Plus, they must have come from the factory with an oil refinery, otherwise I don’t know how anyone was able to afford to fuel them.

This is an interesting topic. I like the Pontiac 301 Turbo– 200 HP out of a turbocharged 4.9L V8.

How about an 8.4L v10 only making 645hp? heheehe

Of course they’re more interesting. Shit, but very interesting. The most efficient engines are boring except for maybe the 300 hp Toyota triple or 450 hp ish Merc four

Having driven a 3.8L V6 making 105 hp around a race track a few hundred times, let me tell you, the novelty of that kind of a powerband wears off.

I remember watching an episode of Wheeler Dealers where they took in a 1973 Camaro and Edd “I forgot more about cars than Enzo Ferrari ever knew” China swapped the engine, perhaps the only pure full engine swap on that show, and turned it into an absolutely awesome car.

Edd mentioned multiple times that the entire car was actually incredibly well designed by GM, superior to nearly all the much more famous previous Camaros…except the engine was complete trash.

Edd isn’t one to lavish praise easily. He said it handled well stock. Except the engine stunk.

He swapped in a 414 horse 383 Stroker. Lol.

Compression ratio is a helluva thing.

Your statement is right, but you only metioned shitty engines… I though you were going to talk about Naturally and high revving V12, V10 and V8s.

Inefficient engines are fun to laugh at, but rubbish in every other way.

The boomers who are like “Ah but you see, all you need is just a bigger exhaust and you’re gold” are crazy, so much more work is needed.

Essentially an entirely reworked top end - cams, valves, etc plus much better carb and fueling system, as well as a better flowing exhauat system.

That’s a lot of work.

They talk about “yeah but they made over 500 ft-lb of torque.” Well, power is torque times RPM. It introduces time into the equation rather than just blunt turning force. If you can only rev the engine to 5000 RPM, you’re missing out on so much potential power because of the shit design.

It’s why Honda engines and bike engines can not make that much torque but still make heaps of power, cause they are revving to the moon.

Honestly, the more power an engine makes versus its torque, the more fun I find it