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Thread: Marcucci Motorsports now stocks Miata phenolic spacers

  1. #21

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    I have one on mine. Like everyone says, it isn't something that causes a noticeable power increase. I did it because it's cheap and "probably" dosen't hurt performance. I'd be very suprised if one showed any difference on a dyno. My gasket is from Powergasket on EBay.
    What's left of a '96 Miata with stock clutch.
    My car exceeds my driving ability. That's the only possible explanation.

  2. #22

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    Quote Originally Posted by Treibenschnell
    Instead of saying that the spacer would cool the air, perhaps we should state that the spacer keeps the incoming air from getting hot(ter) than it normally would going through a non-phenolic-spacer-ed manifold. Right?
    That about sums it up.
    What's left of a '96 Miata with stock clutch.
    My car exceeds my driving ability. That's the only possible explanation.

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