Engine Exhaust Plug

[hoods5]

Hey guys,

The previous owner had some type of foil around this exhaust outlet. It just popped off and I'm looking for a more permeant fix than the foil and a clamp that was there. I don't have A/C or the original air cleaner to vent it. I would just like to plug it and be done. Thanks

Any suggestions? Thanks

Dave

 

[CJ]

That is a preheat / heat tube that goes to the stock air filter / cleaner assembly. Since you do not have the stock pieces it all can be removed. It does not need to be plugged as it actually works by convection.

 

[hoods5]

Great thanks

 

[Manic Mechanic]

Think it was for the original choke and to warm the incoming air on cold start. Feel free to correct me if I'm wrong. But as stated it's un needed and can be done away with.

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[hoods5]

One more question. Is it attached only by the 3 rivets on the front? Is anything on the backside holding it in? Thanks

Dave

 

[Manic Mechanic]

I think it's just like a piece of tin on your exhaust manifold.

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[CJ]

One more question. Is it attached only by the 3 rivets on the front? Is anything on the backside holding it in? Thanks

Dave

IIRC just riveted.

I think it's just like a piece of tin on your exhaust manifold.

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[hoods5]

It's not my valve cover gasket. That's all new and not leaking. Could it be the head gasket?

 

[Manic Mechanic]

It's not my valve cover gasket. That's all new and not leaking. Could it be the head gasket?

Head gasket leak is fairly straightforward either you will have oil in your antifreeze or antifreeze in your oil (sound the same but two different things going on) or one or both being burned. Lose of compression is also a symptom of a bad head gasket but any of them would cause the motor to run poorly.

Here's a quick rundown

A leaking head gasket can cause a number of symptoms, including:
White smoke from the tailpipe: A small amount of white smoke from a cold engine is normal. However, a blown head gasket can cause coolant to mix with engine oil, creating a thick, sludgy substance that looks like a milkshake. This substance can be found under the oil cap, on the dipstick, or in the coolant tank.
Coolant loss: A significant drop in coolant levels can be a sign of a blown head gasket.
Engine knocking: Blown head gaskets can lead to poor compression, which can cause engine knocking.
Milky oil: Coolant can mix into the engine oil system, creating a thick, sludgy fluid that looks like a milkshake.
Engine overheating: A blown head gasket can cause the engine to overheat.

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[hoods5]

Thanks Manic,

Both the oil and coolant look excellent. Nothing in either of the caps and no bubbles. There is a fair amount of gunk in the heat tube. Maybe I didn't notice it when it was plugged and when the foil plug popped off I could see the smoke more.

I'm going to grind the rivets off and remove the heat tube and see what happens. I'll keep you all posted. Thanks again.

 

[Manic Mechanic]

Anytime

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