Quote:
|
Originally Posted by Brian Carlton
If the head stays below 250°F. and the intake charge is 250°F. (est.), how will the internal ceramic coating reduce heat transfer to the charge?
The head must be considerably higher than 250°F. at the intake ports, due to the proximity of the exhaust for this coating to be effective?  |
Well, anything that will minimise heat transfer to the incoming air is going to help...none of this is a majic pill....I would guess the intake is going to sink major amounts of heat (being aluminum) from its proximity to the exhaust and being aluminum it will relase large amounts of that heat to the intake air charge. Think of a heat pipe or a heat sink. That intake can get hotter than the head temp on a OM617, but not the crossflow OM603. DO I have hard numbers? No... But like I said...improvements are incrimental...there is no single glaring design flaw.
__________________
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
Last edited by boneheaddoctor; 07-01-2005 at 09:55 AM.
|