Anybody try a phenolic thermal spacer?
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This is a discussion on Anybody try a phenolic thermal spacer? within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; I've tried searching for it on here cause I though for sure somebody would have had one before. But I ...

  1. #1
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    Anybody try a phenolic thermal spacer?

    I've tried searching for it on here cause I though for sure somebody would have had one before. But I guess I just suck at using the search function.... It's not exactly google lol. Anyways, I don't have any current mods except the SPT catback and short throw, I was wondering if its worth buying and if I would need a tune just for this. If so ill wait till I get the down pipe and access port...... Thx

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  3. #2
    Moderator Donkey's Avatar
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    Not worth it at your mod level. Especially if you have to pay for installation. No you would not need a tune for it.

  4. #3
    Registered User v6mx6ls36's Avatar
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    Anybody try a phenolic thermal spacer?

    Only gonna be worth it if your pulling the intake mani off to do say TGV deletes. Other then that it's a pita to pull off the mani for something that's not really gonna give u a noticeable power

  5. #4
    Subaru Newb MainFrame's Avatar
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    I have them (8mm). If you're already removing the intake manifold then you might as well throw them on. While my engine was apart (one of the times) I went ahead and had the intake manifold ported, TGV deletes, and phenolic spacers installed. Car made better power off boost, and fuel consumption went down.

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