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Thread: Telling difference between Nelson Q40 LS & Q40 SS
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Old 05-26-2012, 10:59 AM
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garys
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Default RE: Telling difference between Nelson Q40 LS & Q40 SS
Agreed, it's a very early SS Q500 engine. Doesn't have the counter-balanced thrust washer, and the prop nut looks like what came on the early engines. Could possibly be AAC, but if it's the original piston/sleeve, it's probably ABC.
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