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Originally Posted by Allch Chcar
That is nutty. I still believe the reason there are no high HP boxers is because of the emphasis on turbo models not a design constraint. Honda has high HP N/A 2.0L and so does Matsuda with their MZR in the Miata. So it's not a displacement issue.
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This is pretty much true. Ressearch into N/A stuff was going on (mostly by COBB) until the WRX came out in '01. After that it was pretty much abandoned by shops due to lack of interest.
Although a few shops still managed to make tuning options for the latest cars and Intakes are still out there and a couple cam places like Delta Cam, but in general its a barren wasteland of tuning...
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And we get the same fuel quality here, it's measured by (R+M) / 2. Don't people read gas pump signage? 91 US octane is 95 RON and 93 US octane is 98 RON.
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There isn't any 93 octane in California anymore, but in the UK 91 is their "regular" unleaded petrol and they have up to 95 octane, and Japan I haven't been able to figure out exactly but they do have higher than 93 as their "high" octane fuel.
Basically, most other countries don't offer as low 87 octane and go higher than 91 or 93. But we do have E-85 which is quite high on the scale but comes with... different issues
