Quote:
|
Originally Posted by Brian Carlton
Here is the question:
Is the air temperature outside the intake manifold higher than the air temperature of the charge? If so, by how much? This higher temperature air, caused by the exhaust manifold will serve to heat the intake manifold if it is significantly higher.
But, with the charge temperature estimated to be over 250 degrees at maximum turbo speed, I'd be surprised if the manifold is running this hot via heat transfer from the exhaust manifold. 
Anybody ever use an infrared gun on the intake at idle after a decent run? |
The intake manifold soaks most of the heat right from the head...and with the 617 adjacent exhaust ports don't help at all either.
The same applies to a gasser...there is no good way to thermally isolate the 617 intake due to how its mounted....but internal ceramic coating will reduce heat transfer to the intake charge.
__________________
Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
---------------------
Section 609 MVAC Certified
---------------------
"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche
|