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Old 03-28-2013, 11:22 PM   #44 (permalink)
ksa8907
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Quote:
Originally Posted by Old Tele man View Post
...not, if it's a "multi-air" engine where they "play" with the valve-timing (via Variable-Valve Timing) to achieve a 'quasi' variable-compression-ratio effect.
Yes, which is why it still drives fine on 87, but obviously not as good as it could with 92.
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