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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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Old 08-26-2009, 12:27 AM   #1
TitaniumTT
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The roll pins are a piece of cake to remove if you have a MIG welder and a set of vice grips. I've been told the sleeves themselves are inconel and I would be surpirsed if a cold chisel and a hammer would break them.

As said before, N/A housings are fine to use and are easier to come by in good shape. The sleeves have the baffles in them for noise reduction and they kill flow. My understanding is there is a difference in the sleeve itself and by cutting or grinding them out, they flow just as bad and now they're loud as all get out. I never really paid enough attention to the differences outside one is baffled and the other not to speak intellegently not do I believe anyone has done flow testing and posted results either.

If you can find someone who tears apart alot of blown engines, he should be able to salvage a few sleves for you. Might even throw them in for you if you get a set of housings as well.
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