RCU Forums - View Single Post - OS Fs 91spIII W/pump CDI / nitro conversion.
Old 03-10-2021, 12:36 PM
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Steve1971
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Default OS Fs 91spIII W/pump CDI / nitro conversion.

So, I have put an rcexcel CDI system on my OS FS 91 spIII W/pump on nitro using a 1/4 32 plug and 10% nitro? Itís timed at 30* and runs for a short time and die. The engine is inverted and the low speed needle seems to be in the zone of good idle but I havenít done a full run up. Please help?