The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 55.2-59 Counter weighted rotation thingamajig in exhaust???

dsraven · 03-31-2020, 10:34 PM

if anybody reading this lives in a cold climate and is thinking of taking out the heat riser then bank on having long warm up times on cold days. i have actually seen the throttle plates stuck open, on a stalled engine, due to a lump of ice in the throttle area. moisture in the air on a cold morning, like fog, will actually freeze in the throttle valve area due to the change in temp there because of the air moving faster etc etc. if the engine runs long enough without dying the ice forms a lump there. then the engine dies for sure.

03-31-2020, 10:34 PM	#10
dsraven Registered User Join Date: Nov 2010 Location: calgary alberta Posts: 7,832	Re: Counter weighted rotation thingamajig in exhaust??? if anybody reading this lives in a cold climate and is thinking of taking out the heat riser then bank on having long warm up times on cold days. i have actually seen the throttle plates stuck open, on a stalled engine, due to a lump of ice in the throttle area. moisture in the air on a cold morning, like fog, will actually freeze in the throttle valve area due to the change in temp there because of the air moving faster etc etc. if the engine runs long enough without dying the ice forms a lump there. then the engine dies for sure.