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Temperature of the Exhaust Manifold?
How hot does the Manifold and turbo housings get?
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Originally Posted by ejmack1
How hot does the Manifold and turbo housings get?
The exhaust gasses probably peak around ~1600F, the manifold will be a little cooler. |
looking at actual temps of the manifold, on the exterior....
What is the maximum JetCoat can handle... Would a 1000F covering be enough |
Touch it, if you get burnt you know its pretty damn hot.
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Jet- hot will coat up 2,000 degress.
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Jetcoat will coat up 2,000 degress.http://www.scuderiaciriani.com/rx7/exhaust.html#COA
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Originally Posted by dexmex88
Touch it, if you get burnt you know its pretty damn hot.
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i wouldn't recommend thermo coating your oem turbo manifold. it is already way past it's ability to absorb the heat from the rotary as proved by the fact that most oem manifolds have lots of severe heat stress cracks.
in addition, if i were running an oem turbo setup i would be looking for ways to radiate the manifold heat away from the motor. the manifold is 22 pounds of heat retaining cast iron and heat soaks the motor something awful. i believe the 22 pounds of cast iron may be at the top of the list of rotary engine killers. remember that the rotary makes approx 500 degrees more exhaust temperature than a piston engine. howard coleman |
Originally Posted by howard coleman
i wouldn't recommend thermo coating your oem turbo manifold. it is already way past it's ability to absorb the heat from the rotary as proved by the fact that most oem manifolds have lots of severe heat stress cracks.
in addition, if i were running an oem turbo setup i would be looking for ways to radiate the manifold heat away from the motor. the manifold is 22 pounds of heat retaining cast iron and heat soaks the motor something awful. i believe the 22 pounds of cast iron may be at the top of the list of rotary engine killers. remember that the rotary makes approx 500 degrees more exhaust temperature than a piston engine. howard coleman dont have to worry about that hunk of metal :bigthumb: |
Originally Posted by howard coleman
i wouldn't recommend thermo coating your oem turbo manifold. it is already way past it's ability to absorb the heat from the rotary as proved by the fact that most oem manifolds have lots of severe heat stress cracks.
in addition, if i were running an oem turbo setup i would be looking for ways to radiate the manifold heat away from the motor. the manifold is 22 pounds of heat retaining cast iron and heat soaks the motor something awful. howard coleman It seems to me horsepower heat soaks the motor more than a hunk of additional metal. The only real solution is a different manifold that can handle more rapid cooling, and then to remove the heat shields. But I guess inconel turbo housings might get a tad costly :) Dave |
hot enough to burn the shit outta you
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Originally Posted by witepsycho
hot enough to burn the shit outta you
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I used the JetHot 1300 on my manifold and it started peeling off pretty soon. I've put the 2000 on and so far so good.
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Originally Posted by c00lduke
I used the JetHot 1300 on my manifold and it started peeling off pretty soon. I've put the 2000 on and so far so good.
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