RCU Forums - View Single Post - Help W/ Tuning info for Rossi .40 FISE engine
Old 04-29-2011, 05:43 PM
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Default RE: Help W/ Tuning info for Rossi .40 FISE engine

Rossi engines do not like nitro...if there are head shims put them in before you try to tune. No more than 5% nitro or it will make you crazy.

Mike