Does anyone know of a compelling reason to plumb the heater tube back into the return tube at the back of the head rather than remove it and install a block-off plate a la: http://www.lindseyracing.com/LR/Porsche/944COOLINGSYSMISC/LR-BOP-102.html? I've seen many of them blocked off. Is the back of the head hotter that way?
Steve
Mon Apr 12, 2010 2:37 pm
GregF
Driver
Joined: Nov 21, 2009 Posts: 216 Location: Redmond, Wa.
Some builders consider it to be more difficult to get the trapped air out of the cylinder head without the flow through the heater passage, but I think it makes little difference. Best would be to plug it and install one of the vent kits that helps remove the air from the head. Greg F
Thanks Greg. You're writing about something like Lindsey's steam vent http://www.lindseyracing.com/LR/Parts/STEAMVENT.html? I thought that was something only turbos had to worry about, so I've never considered it.
Steve
Tue Apr 13, 2010 3:05 pm
JohnB
Rookie Driver
Joined: Jan 20, 2010 Posts: 68 Location: Northern Virginia
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