Thread: D15B vs D15Z1
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Old 01-18-2012, 02:20 AM   #9 (permalink)
Ryland
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honda cb125 - '74 Honda CB 125 S1
90 day: 79.71 mpg (US)

green wedge - '81 Commuter Vehicles Inc. Commuti-Car

Blue VX - '93 Honda Civic VX
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Quote:
Originally Posted by Ragnarok Warrior View Post
As far as the "boost" button is concerned, Hondas use electronic controls for the cam phasing correct?
Yes, it's an electronic valve that opens up an oil passage to move a pin that locks the rocker arm to the follower that rides on the other cam lobe.
On the Civic VX engine (D15Z1) that happens at around 2,500 RPM.
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