2008 exhaust hot

fryert15 · 05-23-2014, 06:17 PM

I have a 2008 and the exhaust seems to get very hot quickly. Just wondering if this is normal or is there something I should be looking at. I recently changed the air filter.

dbmachine · 05-23-2014, 11:52 PM

Yes it gets hot pretty quick. Normal

cgtech · 05-24-2014, 12:47 PM

Exhaust system says "Hot" right on top of heatshield, not "cold". The conversion of gasoline into motion involves a lot of expansion, first mixing the liquid gasoline into a large volume of air, creating a flammable mixture. Then, burning it inside an enclosed area, creating a very rapid expansion of the air/fuel mixture. Due to the mix being trapped, two things will happen, it will force the piston to move eventually being converted to vehicle motion, and the second is it will not be able to dissipate all its heat into vehicle motion. So, the leftover "wasted" heat will dissipate out through the engine block, and through the exhaust gasses. Yes, exhaust is hot.

fryert15 · 05-24-2014, 05:40 PM

Thank-you. I realize that it does get hot but I guess I was just wondering if it maybe was getting to hot. If it can't get to hot then I guess I have nothing to worry about.

cgtech · 05-24-2014, 06:03 PM

I had a car with a stuck-open fuel injector, the excess fuel was burning in the catalytic convertor and exhaust system (car interior tried to catch fire and sound deadner goop turned into tar pit, where i also found live ammunition, all of this in a jail parking lot). This could not happen with a one-cylinder engine, because if one cylinder was running that much fuel through it, the plug would foul and the engine would stall. With no "working" cylinders to keep the engine running, partys over....

dbmachine · 05-24-2014, 06:57 PM

If you run the cart lean then it will get extremely hot and will damage the engine over time.

fryert15 · 05-24-2014, 07:34 PM

Sorry but I don't know a lot about them. How will I know if it's running to lean?

1989Marathon · 05-24-2014, 07:36 PM

You can read the spark plug(s) and get a good idea. Can you post a pic of the plug(s)?

fryert15 · 05-24-2014, 07:48 PM

I will go get one and try

fryert15 · 05-24-2014, 08:15 PM

Here's a pic.

05-23-2014, 06:17 PM	#1
fryert15 Not Yet Wild Join Date: May 2013 Posts: 21	2008 exhaust hot I have a 2008 and the exhaust seems to get very hot quickly. Just wondering if this is normal or is there something I should be looking at. I recently changed the air filter.
fryert15 Not Yet Wild Join Date: May 2013 Posts: 21

05-23-2014, 11:52 PM	#2
dbmachine Gone Wild Join Date: Oct 2012 Posts: 1,733	Re: 2008 exhaust hot Yes it gets hot pretty quick. Normal
dbmachine Gone Wild Join Date: Oct 2012 Posts: 1,733

05-24-2014, 12:47 PM	#3
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: 2008 exhaust hot Exhaust system says "Hot" right on top of heatshield, not "cold". The conversion of gasoline into motion involves a lot of expansion, first mixing the liquid gasoline into a large volume of air, creating a flammable mixture. Then, burning it inside an enclosed area, creating a very rapid expansion of the air/fuel mixture. Due to the mix being trapped, two things will happen, it will force the piston to move eventually being converted to vehicle motion, and the second is it will not be able to dissipate all its heat into vehicle motion. So, the leftover "wasted" heat will dissipate out through the engine block, and through the exhaust gasses. Yes, exhaust is hot.

05-24-2014, 05:40 PM	#4
fryert15 Not Yet Wild Join Date: May 2013 Posts: 21	Re: 2008 exhaust hot Thank-you. I realize that it does get hot but I guess I was just wondering if it maybe was getting to hot. If it can't get to hot then I guess I have nothing to worry about.
fryert15 Not Yet Wild Join Date: May 2013 Posts: 21

05-24-2014, 06:03 PM	#5
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: 2008 exhaust hot I had a car with a stuck-open fuel injector, the excess fuel was burning in the catalytic convertor and exhaust system (car interior tried to catch fire and sound deadner goop turned into tar pit, where i also found live ammunition, all of this in a jail parking lot). This could not happen with a one-cylinder engine, because if one cylinder was running that much fuel through it, the plug would foul and the engine would stall. With no "working" cylinders to keep the engine running, partys over....

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05-24-2014, 06:57 PM	#6
dbmachine Gone Wild Join Date: Oct 2012 Posts: 1,733	Re: 2008 exhaust hot If you run the cart lean then it will get extremely hot and will damage the engine over time.
dbmachine Gone Wild Join Date: Oct 2012 Posts: 1,733

05-24-2014, 07:34 PM	#7
fryert15 Not Yet Wild Join Date: May 2013 Posts: 21	Re: 2008 exhaust hot Sorry but I don't know a lot about them. How will I know if it's running to lean?
fryert15 Not Yet Wild Join Date: May 2013 Posts: 21

05-24-2014, 07:36 PM	#8
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730	Re: 2008 exhaust hot You can read the spark plug(s) and get a good idea. Can you post a pic of the plug(s)?
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730

05-24-2014, 07:48 PM	#9
fryert15 Not Yet Wild Join Date: May 2013 Posts: 21	Re: 2008 exhaust hot I will go get one and try
fryert15 Not Yet Wild Join Date: May 2013 Posts: 21

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