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Topic: CFM through a 504?
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| Lamont
12-19-2012 12:28:02
206.255.212.38
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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.
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| eldo case
12-20-2012 16:15:03
70.195.1.199
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Re: CFM through a 504? in reply to Lamont, 12-19-2012 12:28:02
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| 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!!!!!
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| RGMartin
12-19-2012 12:37:20
173.189.132.104
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Re: CFM through a 504? in reply to Lamont, 12-19-2012 12:28:02
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| 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)
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| Lamont
12-19-2012 15:43:53
72.161.161.171
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Re: CFM through a 504? in reply to RGMartin, 12-19-2012 12:37:20
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| 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?????
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| LApuller
12-19-2012 17:14:15
38.123.14.49
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Re: CFM through a 504? in reply to Lamont, 12-19-2012 15:43:53
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| 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.
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| Lamont
12-19-2012 18:38:04
69.29.117.113
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Re: CFM through a 504? in reply to LApuller, 12-19-2012 17:14:15
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| I don't doubt you are correct, but are you speculating or is this fact?
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| LApuller
12-20-2012 03:51:22
38.123.14.49
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Re: CFM through a 504? in reply to Lamont, 12-19-2012 18:38:04
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| 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.
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| Lamont
12-20-2012 06:29:55
206.255.210.40
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Re: CFM through a 504? in reply to LApuller, 12-20-2012 03:51:22
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| 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?
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| RGMartin
12-20-2012 09:07:25
173.189.132.104
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Re: CFM through a 504? in reply to Lamont, 12-20-2012 06:29:55
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| Quoting Removed, click Modern View to see
How much boost?
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| LApuller
12-20-2012 08:31:13
38.123.14.49
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Re: CFM through a 504? in reply to Lamont, 12-20-2012 06:29:55
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| I have dynoed turbo tractors but have never checked the air flow rates.
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| massey 333
12-19-2012 16:40:54
209.173.189.232
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Re: CFM through a 504? in reply to Lamont, 12-19-2012 15:43:53
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| 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.
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