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ALSO Veco, Torpedo, Fury, & Stallion
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by rpringle1028 » Tue Jun 06, 2006 8:24 pm
I have a 3.5cc Model 8900 aero engine and a .15 Model 8301 aero engine and I have been unable to determine the thread size for the cylinder head and backplate bolts in either case. I've tried various metric and non-metric sizes without success. Please put me out of my misery.
Rob
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rpringle1028
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by MECOA » Thu Jun 08, 2006 8:34 am
3.5 uses a std 4-40 UNF thread
I don't know on the 8301 although I am fairly sure it is an American thread.
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