ZR-1 Net Registry Forums - View Single Post

POWERBRAKEBOB · 07-30-2013

I had bypassed the coolant from around the throttle body on mine back in 1990, as I had done on both my 1985 and 1989 cars. I actually showed that trick to Guldstrand when he was at my shop in 1985.
I DO like, since I'm not using hot coolant around the throttle blades, to eliminate that hose system that returns back to the overflow system. I will be powdercoated the entire top side of the engine in Silver miniflake soon. It seems to me that with the water returns just under the plenum, that there could not be any air trapped there.
IF there was an inch of trapped air in the plenum ports, all the better. I don't want any added heat into the plenum.

07-30-2013	#24
POWERBRAKEBOB Join Date: Apr 2010 Location: HUNTINGTON BEACH, CALIF. Posts: 38	Re: air bleed with plenum coolant bypass I had bypassed the coolant from around the throttle body on mine back in 1990, as I had done on both my 1985 and 1989 cars. I actually showed that trick to Guldstrand when he was at my shop in 1985. I DO like, since I'm not using hot coolant around the throttle blades, to eliminate that hose system that returns back to the overflow system. I will be powdercoated the entire top side of the engine in Silver miniflake soon. It seems to me that with the water returns just under the plenum, that there could not be any air trapped there. IF there was an inch of trapped air in the plenum ports, all the better. I don't want any added heat into the plenum.