Cubic ft. used by 3l. engine

[325bob]

Anybody have a cubic ft. per minute figure for a normally aspirated 3 liter engine,at,say, 3K?

[325bob]

Anybody have a cubic ft. per minute figure for a normally aspirated 3 liter engine,at,say, 3K?

Found it!, 630 cfm, now, will a 800 cfm leaf blower provide any boost?, at half that rpm through max rpm?

[pbonsalb]

You did recently write that you had plans to rig up a cheap forced induction system….

[325bob]

You did recently write that you had plans to rig up a cheap forced induction system….

Yea, I'm back to that plan, the B58 turbo won't hook up, the snail
is too wide and hits the block, the header flange wasn't too much of a problem

[PiepPiep]

So from B58 turbo power to 1psi leafblower?
You can have a working turbo setup for 2500$ with good used parts and ms41 or speedyefi selftuning

[Colby Colbs]

I've done it in the past, the juice isn't worth the squeeze period. There is a guy on YB that has made an electric turbo out of a centri blower. That, while I wouldn't be doing it, did appear to work and have good results. You might be interested in that. He has videos on YT.

[digger]

Leaf blower ain’t going to do jack, cheap Chinese turbo.

[BimmerBreaker]

Use two leafblowers fed by two hairdryers with the "COOL" button taped down, to supply cool air into the leafblowers. You'll double the CFM of the stock engine, for double the power!

[328 Power 04]

LOL!

So I think the train of thought is incorrect here. You don't force air into the engine so much as raise the manifold air pressure.
The engine will always pull air into itself via cylinder sucking action, however if the pressure gradient from the manifold air pressure into the engine pull is higher, then you'll get more dense air. The engine is always pulling air from the manifold, it's never being forcefed air. You'll need increased pressure in the manifold to get a higher dose of oxygen into the engine. A leafblower can hardly inflate a balloon properly, even though it can generate a high flow of air.

[digger]

think about how much power a centrifugal S/C consumes

[pbonsalb]

I did some very rough calculations once and estimated a low boost centrifugal was probably consuming 35-40 horsepower at full low boost.

[KeysCoupe]

I did some very rough calculations once and estimated a low boost centrifugal was probably consuming 35-40 horsepower at full low boost.

So, what do twin-screws consume? They’re compressing vs pushing.
-Donny

[pbonsalb]

They are belt driven as well so I would expect about the same for low peak boost at high rpm. They make their peak boost throughout a broad rpm range but the volume is lower at lower rpm so less power is consumed when compressing less air.