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Secondry Air Block Off Plates

This is a discussion on Secondry Air Block Off Plates within the General Help forums, part of the LSx Technical Help Section category; I ordered a set of plates (aluminum) which came in today and the gaskets which came with appear to be ...

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    PCM Designer 99WickedSS's Avatar
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    Secondry Air Block Off Plates

    I ordered a set of plates (aluminum) which came in today and the gaskets which came with appear to be standard paper gasket material.

    Will the temperatures on the header where I need to put the plates get too hot to use paper gaskets and aluminum plates?

    I do have the OEM gaskets for use if I installed the secondary air and they are a different high temp gasket. I thought of just using that howeved instead of a solid gasket it has the center hole which would expose the aluminum to the exhaust gas and from what I have seen aluminum loses its strength properties at 200F.

    Anyone else runing solid paper gaskets with the aluminum plates? Got these off ebay.

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    its short but its skinny. jiveass's Avatar
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    Quote Originally Posted by 99WickedSS View Post
    I ordered a set of plates (aluminum) which came in today and the gaskets which came with appear to be standard paper gasket material.

    Will the temperatures on the header where I need to put the plates get too hot to use paper gaskets and aluminum plates?

    I do have the OEM gaskets for use if I installed the secondary air and they are a different high temp gasket. I thought of just using that howeved instead of a solid gasket it has the center hole which would expose the aluminum to the exhaust gas and from what I have seen aluminum loses its strength properties at 200F.

    Anyone else runing solid paper gaskets with the aluminum plates? Got these off ebay.
    im using the high temp exhaust gaskets i got from the exhaust gasket set i from the auto parts..

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    PCM Designer 99WickedSS's Avatar
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    Quote Originally Posted by jiveass View Post
    im using the high temp exhaust gaskets i got from the exhaust gasket set i from the auto parts..
    Are you using the aluminum plates or steel/stainless steel?

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    its short but its skinny. jiveass's Avatar
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    Quote Originally Posted by 99WickedSS View Post
    Are you using the aluminum plates or steel/stainless steel?
    steel plates....

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    autoconnectionllc.com 02transamce's Avatar
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    Ws6store has a pair of plates w/ GM gaskets for $12. Going to order them tomorrow.
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    Last edited by 02transamce; 03-28-2011 at 07:24 PM.

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    I bought a handful of the stock GM metallic secondary air tube gaskets back when our car was stock. Let me know if you guys need any.

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    PCM Designer 99WickedSS's Avatar
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    Quote Originally Posted by 02transamce View Post
    Ws6store has a pair of plates w/ gaskets for $12. Going to order them tomorrow and see what gaskets come with it.
    Posted via Mobile Device
    Are they SS or aluminum? Let me know what type of gasket. Since the normal gasket with the secondary air setup is high temp I would assume the block off plates should also be using high temp. My kit came with aluminum which without high temp gaskets would not be sufficient.

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    Moderator Cutlass's Avatar
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    I just reused my OEM gaskets on my block-off plates. I won't worry about the aluminum being damaged by heat. The whole engine is made out of aluminum.

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    autoconnectionllc.com 02transamce's Avatar
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    Just ordered mine.$13.50 shipped ws6 store ftw!
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    autoconnectionllc.com 02transamce's Avatar
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    Quote Originally Posted by 99WickedSS View Post
    Are they SS or aluminum? Let me know what type of gasket. Since the normal gasket with the secondary air setup is high temp I would assume the block off plates should also be using high temp. My kit came with aluminum which without high temp gaskets would not be sufficient.
    Just got the block off plates.they are aluminum.not a big deal though,they came with some very good gaskets.
    Posted via Mobile Device

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    autoconnectionllc.com 02transamce's Avatar
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    delete complete! looks much cleaner under hood.
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    Veteran 0rion's Avatar
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    Quote Originally Posted by Cutlass View Post
    I just reused my OEM gaskets on my block-off plates. I won't worry about the aluminum being damaged by heat. The whole engine is made out of aluminum.
    this....I would use the paper ones too. Just might not last as long but I bet even the paper gaskets there would last for a long long time.

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    autoconnectionllc.com 02transamce's Avatar
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    I had to scrape off the cheap paper gaskets that came with my pacesetters to install the new plates and gaskets
    Posted via Mobile Device

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    PCM Designer 99WickedSS's Avatar
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    I had custom stainless steel plates made thicker then the aluminum and they look much better. I used OEM high temp gaskets to last and changed to stainless steel pan head bolds and it looks sweet!

    I'll post pics later...

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    Junior Member sok915's Avatar
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    Quote Originally Posted by 02transamce View Post
    delete complete! looks much cleaner under hood.
    Posted via Mobile Device
    did your ses light come on?

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    autoconnectionllc.com 02transamce's Avatar
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    no,quite the opposite,it went off......for now.
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