New Miata Junk 2 Intake
#21
Talked to Andrew this afternoon. We will run it on a simple NB2 engine, CA91,, VICS/Square top/Skunk2 all on the same day. Will post the results in a new thread. If it's good, we'll offer it on our site. If it's not good, we won't.
Based on what I can see in the pics and what they have published, it actually looks correct. We have had some rough CAD drawings for a BP IM project for years, just waiting for some free time between other big projects to start on it. Looks like ours.
Based on what I can see in the pics and what they have published, it actually looks correct. We have had some rough CAD drawings for a BP IM project for years, just waiting for some free time between other big projects to start on it. Looks like ours.
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#24
The runners actually look like the correct length. My modified skunk2 pro street hangs straight out from the motor on a welded flange and I've had no issues over 2 years of motorsport and this on an engine that shakes everything loose! The cast plenum lid is pretty light.
I think these will work well for big boost and N/A builds with big cams like mine assuming the runner diameters are similar to the honda skunk2 manifolds.
I think these will work well for big boost and N/A builds with big cams like mine assuming the runner diameters are similar to the honda skunk2 manifolds.
#26
In for results too. The only real complaint we've had with the S2 manifolds for the K series is that the casting can be pretty rough and the ports can occasionally be a little off. The thermal gaskets usually need to be opened up a bit with a deburring tool as well.
But they generally make good power and as Josh said, they can be easily ported. My guess is that this will do pretty well for the Miata community.
But they generally make good power and as Josh said, they can be easily ported. My guess is that this will do pretty well for the Miata community.
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KPower Industries
Home of the original KMiata Swap
K24 NC swap is coming in 2024! Learn more
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#36
Anyone else notice that they list 68 mm as intake bore at least on the MiataRoadster site and their Miata throttle bodies (which I have one of) are 64 mm? That seems like it might be a bit of an issue unless you used a different throttle body.
• 68mm throttle body opening
Does look like it might not be bad otherwise. I'd really like to see a comparison to the square top.
• 68mm throttle body opening
Does look like it might not be bad otherwise. I'd really like to see a comparison to the square top.
#37
Anyone else notice that they list 68 mm as intake bore at least on the MiataRoadster site and their Miata throttle bodies (which I have one of) are 64 mm? That seems like it might be a bit of an issue unless you used a different throttle body.
• 68mm throttle body opening
Does look like it might not be bad otherwise. I'd really like to see a comparison to the square top.
• 68mm throttle body opening
Does look like it might not be bad otherwise. I'd really like to see a comparison to the square top.
Non issue, the gasket should still work fine for the 64mm right?