Why is my motorcycle exhaust glowing red?
Why is my motorcycle exhaust glowing red?
What is a glowing red hot exhaust after all? The exhaust glows red when the metal heats up to where it’s getting closer to its melting point. But there is no risk of the metal actually melting, as this requires quite a bit more heat, even from the point where it is visibly glowing red.
Is it normal to have a red hot exhaust manifold?
It is NORMAL for a heavily loaded engine to have a red-hot exhaust manifold. Many years ago I witnessed a motor oil test at Phillips Petroleum Company’s R&D lab. They had a 455 Olds engine at full throttle, 4000 RPM on a engine dyno. The exhaust manifolds were translucent!
Why do exhaust manifolds get cherry red block?
The exhaust manifold does get very hot but if it is glowing cherry red it could be a restriction in the exhaust/ restricted catalytic converter, it could be a lean air fuel mixture, or retarded ignition timing all of the above should cause a loss of power or fuel economy. Sign in to reply.
What kind of car has glowing exhaust manifolds?
I have a 2004 Pontiac Grand Prix with the 3.8l supercharged engine. The car has been running hot so I drove it up a mountain road to get it hot and see if the fans were coming on (they were). When I opened the hood to check the fans I noticed that the exhaust manifolds were glowing red.
Why does my bike exhaust turn red when idle?
Even if the bike produce more heat when riding, you may even find that the glowing gets worse when standing still at idle. This shows how important the airflow is to keep the system cool. So if your exhaust is glowing red when standing still at idle, it may just be because of too little cooling.
It is NORMAL for a heavily loaded engine to have a red-hot exhaust manifold. Many years ago I witnessed a motor oil test at Phillips Petroleum Company’s R&D lab. They had a 455 Olds engine at full throttle, 4000 RPM on a engine dyno. The exhaust manifolds were translucent!
The exhaust manifold does get very hot but if it is glowing cherry red it could be a restriction in the exhaust/ restricted catalytic converter, it could be a lean air fuel mixture, or retarded ignition timing all of the above should cause a loss of power or fuel economy. Sign in to reply.
I have a 2004 Pontiac Grand Prix with the 3.8l supercharged engine. The car has been running hot so I drove it up a mountain road to get it hot and see if the fans were coming on (they were). When I opened the hood to check the fans I noticed that the exhaust manifolds were glowing red.
Even if the bike produce more heat when riding, you may even find that the glowing gets worse when standing still at idle. This shows how important the airflow is to keep the system cool. So if your exhaust is glowing red when standing still at idle, it may just be because of too little cooling.
