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Thread: 2017 OS Speed R2103 3.5cc Nitro On Road Engine
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Old 09-21-2022, 02:34 AM
  #101  
magnushedqvist
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Join Date: Sep 2010
Location: sweden
Posts: 92
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Originally Posted by magnushedqvist
What would be the best current option for piston and sleeve for this engine? I run 16% fuel in europe. Is it the eurospec or just a stock 2103? I tried a 2104 but lets just forget about that.
What about if I change crankshaft to the eurospec? Is that a better option than to build it back to r2103 specs?
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