Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post - Overheating at high rpms or high speed only

Wookie384 · 12-15-2012, 05:50 PM

It might be a long shot but with the thermostat out, the cooling system is flowing too freely, and every-time your at high engine speeds the water pump could be cavitating causing air to separate from the coolant and appear in the system.

12-15-2012, 05:50 PM	#10
Wookie384 Zilvia Addict Join Date: May 2007 Location: N. Hollywood / Burbank Age: 40 Posts: 766 Trader Rating: (10)	It might be a long shot but with the thermostat out, the cooling system is flowing too freely, and every-time your at high engine speeds the water pump could be cavitating causing air to separate from the coolant and appear in the system.