Re: Exhaust Manifold Heat Shields

From: Josh Battles (josh.lists@omg-stfu.com)
Date: Wed Jun 07 2006 - 21:37:48 EDT


On Wed, June 7, 2006 8:52 am, Garret Lewis wrote:
>
> I was changing spark plugs on my Dakota and noticed that the rear section of
> the right (passenger) exhaust manifold heat shield had rusted/deteriorated
> and was "hanging on" by a couple of thin sections of rusted/deteriorated
> metal. So, I removed the heat shield to keep it from falling off. No big
> deal to me. However, I notice the other day that the exhaust manifold heat
> had melted the wire loom that is on the spark plug wires and I'm concerned
> that the heat will melt the plug wires themselves. So, I'm looking for a
> fix.

Get another heat shield or reroute your plug wires.

> Has anyone put heat tape on their exhaust manifold to keep down engine bay
> heat. If so, what are the pros and cons? Also, has anyone done anything
> different to help keep down/deflect the exhaust manifold heat? I know, I
> guess I could just get another factory shield; but, I wanted to explore some
> options.

Wrapping will trap moisture against your manifolds that can cause them to
corrode. Additionally, if your parts are ceramic coated, the wrap will allow
them to get hot enough to melt the ceramic coating off of them.

-- 
- Josh
www.omg-stfu.com

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