Originally Posted by j87w
The other day I just started my car and brang it into the shop. We just got a new temperature gun. I drove it for about 20 min, let it sit for 10 min, then drove it for about 2 more. My intake manifold was reading about 105 to 110 degrees, the header was reading about 90 or so, then the intake pipe was reading in the 85 range. I didnt know that the IM go so hot.
That is why they make Hondata type gaskets so that the heat transfer doesn't affect the intake manifold and heat up the incoming air.
The reading for the header seem awfully low...don't they get to be over 800 degrees?