Heat Riser Flapper at Leah Grasby blog

Heat Riser Flapper. If it's just flapping then chances are it's missing some parts. The closed valve forces hot exhaust gases under the intake manifold. Your description sounds like the exhaust heat riser valve. Two years of pb'ing and tapping to no effect. The heat riser has been frozen/rusted in both my 2as. What are the downsides to using it anyway? Luckily neither of them have broken from my efforts. Early versions were thermostatic spring actuated. Since a closed heat riser flap directs hot exhaust gasses toward the base of the carburetor, fuel bowl temperatures now rise and. I don't need one on my new exhaust but nobody makes a spacer to. The heat riser has a spring that keeps the flapper closed until the exhaust gasses heat the spring and allow the valve to open. Is it critical to have this valve? The heat riser valve is no longer functional, and the little butterfly/flapper inside the manifold is missing. Of course, it could be repaired or replaced, or replaced with a. Heat on the casting at the studs should loosen it enough to remove the valve.

The heat riser valve is no longer functional, and the little butterfly/flapper inside the manifold is missing. The heat riser has a spring that keeps the flapper closed until the exhaust gasses heat the spring and allow the valve to open. I don't need one on my new exhaust but nobody makes a spacer to. Of course, it could be repaired or replaced, or replaced with a. What are the downsides to using it anyway? Your description sounds like the exhaust heat riser valve. Since a closed heat riser flap directs hot exhaust gasses toward the base of the carburetor, fuel bowl temperatures now rise and. Luckily neither of them have broken from my efforts. If it's just flapping then chances are it's missing some parts. The closed valve forces hot exhaust gases under the intake manifold.

SIERRA 184456D Exhaust Flapper Valve 3" West Marine

Heat Riser Flapper What are the downsides to using it anyway? Is it critical to have this valve? I don't need one on my new exhaust but nobody makes a spacer to. Does anyone make a replacement heat riser valve for a 73 javelin 304? Early versions were thermostatic spring actuated. Of course, it could be repaired or replaced, or replaced with a. Stopped just short of hammering. The heat riser has a spring that keeps the flapper closed until the exhaust gasses heat the spring and allow the valve to open. Your description sounds like the exhaust heat riser valve. Since a closed heat riser flap directs hot exhaust gasses toward the base of the carburetor, fuel bowl temperatures now rise and. Heat on the casting at the studs should loosen it enough to remove the valve. The heat riser valve is no longer functional, and the little butterfly/flapper inside the manifold is missing. The closed valve forces hot exhaust gases under the intake manifold. If it's just flapping then chances are it's missing some parts. Two years of pb'ing and tapping to no effect. The heat riser has been frozen/rusted in both my 2as.