NR .21 DD

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David,..

Please reduce your water flow to your motor. All my NR engines needed very little water to run well. And did not run nearly as well without the restriction. Also I think that running with the stock water flow will reduce P/L fit and life.. It's just too cold at the top with full flow..
 
Anthony yes you are right ,when I brought it back in I used my heat gun and it read around 160 f ,,so I will restrict more and aim for 200-220f. Thanks
 
Great day today my Seducer was flying...the keep 21 is a awesome Engine using the NR 21 pipe at 8" turning a sholund chopper prop ,60% fuel, Orlic carby,,very quick.
 
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