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Exhaust temp difference

This is a discussion on Exhaust temp difference within the General Help forums, part of the LSx Technical Help Section category; What do you think the temperature difference is between headers and a catalytic converter? I am just wondering. I was ...

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    Member FMBL's Avatar
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    Exhaust temp difference

    What do you think the temperature difference is between headers and a catalytic converter?

    I am just wondering. I was looking at how close the fuel line on the Camaro is to the Manifold/ headers. I am wanting to re-route the exhaust on a 99 2dr Tahoe but the cat would be fairly close to the fuel lines.

    Thanks

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    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Imho, I would try to keep any fuel lines as far away from the heat of a cat, and or headers..
    Many times auto manufactures run them down seperate sides away from exhuast routing..

    Many times a cat, and or headers will glow cherry red..
    For steel, that is usually indicative of temps exceeding 1000+ degrees (F)..
    Radiant heat is high @ those temps..

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    Member FMBL's Avatar
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    I totally agree with trying to keep the two away from eachother. I was just wondering seeing as how the fuel line on the Camaro is about 4-5 inches from the manifold. The cat would not be that close on the Tahoe. It's lowered 4/6 and I am trying to find a way to run duals. One down each side. Not alot of room underneath.

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    What Would Earl Do? Vexzer's Avatar
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    Quote Originally Posted by FMBL View Post
    I totally agree with trying to keep the two away from eachother. I was just wondering seeing as how the fuel line on the Camaro is about 4-5 inches from the manifold. The cat would not be that close on the Tahoe. It's lowered 4/6 and I am trying to find a way to run duals. One down each side. Not alot of room underneath.
    1/4" air gap & a heat shield will block 90% of it. Even foil insulated tape like on our stock underhood Camaro fuel lines works wonders. Harbor Freight IR Temperature scanner is $29 before coupon.

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