[s-cars] MAF to intake side of turbo
Todd Bellwood
todd at owensport.com
Sun Jun 5 10:17:42 EDT 2005
No I don't know that. But to me "Mass Air Flow" means just that. how much the passing air cools the wire determines output. If a given amount of air at 1 bar is passing the wire it would be essentially twice as dense and moving half as fast as atmo and would have close to the same effect on the wire. The effect of elevated temperature charge air seems a bit more complicated. High temp air would be relatively less dense and think this would be measured properly. I do however worry about the temp differential between charge air and the wire temp. I don't know what temp the wire runs at so I leave that to the list. I expect there will be a deluge on this topic so we may have all this answered shortly! Oil mist may have significant effects as well.
Todd
----- Original Message -----
From: Elijahallen92 at aol.com
To: todd at owensport.com ; s-car-list at audifans.com ; es2 at audifans.com
Sent: Sunday, June 05, 2005 7:51 AM
Subject: Re: [s-cars] MAF to intake side of turbo
Todd,
Do you know if those crs running this way have had different tuning for it to work correctly. I have a catch can so I shouldn't have oil in the intake unless the turbo lets some in but I have seen no sign on my intake pipes.
Elijah
In a message dated 6/5/2005 9:48:17 AM Eastern Standard Time, todd at owensport.com writes:
I've seen this done on several turbo cars, but not one of ours yet. One car
in the European Car "1.8T shootout" and on several 911 TT's. I've even seen
it done on several older Flapper door AFM's turbo conversions as well. It
must work to some extent or they wouldn't be doing it. The amount of air it
could flow downstream of the turbo would obviously be increased. The pre
turbo air plumbing would obviously be simpler for those with non OEM
turbo's. ONE CAVAET HOWEVER. IT WILL BE SEEING ALOT OF BLOWYBY OIL. It would
have to be cleaned often and will probably fail prematurely.
Todd
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