Quote:
Originally Posted by trebuchet03
I'm curious, however, of what the temperature rise is through a stock heat soaked intake system.... Most parts nowadays are plastic - so there's low heat transfer coefficients and thermal mass... Except for the manifold and TB - where airflow is really fast offering little time for heat up. I guess I'll add that to the list of experiments (maybe a good reason to upgrade multimeters to one that can accept a thermocouple  ) |
I can't tell you exact temperatures, but a few years back I did some testing with phenolic insulators to block heat from the head getting into the manifold. It was a performance modification and a successful one. But, the testing showed some very interesting info. You can see it here:
Intake Manifold Insulators