RCU Forums - View Single Post - OS 91 I vs II Same Power and specs?Differences/Changes
Old 06-03-2005 | 09:58 AM
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Bax
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Default RE: OS 91 I vs II Same Power and specs?Differences/Changes

There are no power differences between the O.S. FS-91 Surpass engine and the FS091 Surpass II. There were changed to accomodate the pump system, so changes were made to keep commonality in parts.