CFM through a 504?

[Lamont]

Does anyone have any idea how many CFM a 504 is breathing? Naturally aspirated or turbo either? I'm thinking I read somewhere or figured at one time that a 504BDT should be around 1100. I have no clue why I'm thinking that or even what rpm, load, etc. Just in my head. Thanks for any insight on this.
 

[RGMartin]

In a perfect scientific setting a NA 504 can only breath 292 CFM at 2000 rpms. Real world will be much less.



504 CI divided by 2(only drawing air every other time around) x 2000 rpm divided by 1728 (CI in a CF)
 

[Lamont]

Any idea what the Volumetric Efficiency, on average, of a diesel of that era would be? Most spark ignition engines were between 0.7 and 0.8. Would a diesel be close to that or better? My thought would be better, but?????
 

[massey 333]

This may be a stretch,but try Turbo Pre-Cleaners site or the company copying Turbo.one of them had it a few years ago when we were building our 970 up.
 

[LApuller]

You are way off if you think a older tractor motor will flow between 0.7 and 0.8. Actural flows are more like .45 to .55. A diesel is about the same.
 

[Lamont]

I don't doubt you are correct, but are you speculating or is this fact?
 

[LApuller]

I have REAL air flow numbers from pulling tractors on a dyno. I have tested almost every type of tractor and have two different ways of testing the air flow.
 

[Lamont]

Good enough. Have you tested any with turbos on them. If so, what kind of VE do they have? I would think to get good HP results, it would have to be in the 2 to 3 range, BUT that would mean 5 to 6 times the VE of NA engines. Is that possible?
 

[LApuller]

I have dynoed turbo tractors but have never checked the air flow rates.
 

[RGMartin]

[Eldo case]

Don't know the answer but will say that a radiator hose used for a intake hose will collapse and make one smoke. Seen that happen!!!!!