Originally Posted by razzor
Why change teh head if its running ok.
My one runs at 108/111 deg/c and is happiest there but i still need more bottom punch.
Will be changing to Nova carb and see what happens.
It runs great with teh VR12+ pipe.
I think he just want to experiment with different heat sink.
The hole line up with Nova. I have tried all the NS based and all the Max and they all fit and I will try the OS magnesium when it comes out.
Razzor, I believe you run 16%, I would try get it to run up to 120 ( meas when the tank almost empty). I run 25% here and in Summary(temp 33c plus) , I run it up to 120 to 125. In winter ( temp 15 to 20) I run up to 100.
I am using a new version of the HEC pipe with a smaller manifold, good power and run time cause of the increased Torque.