Pat Matthews Posted July 11, 2019 Share Posted July 11, 2019 Hi to everyone, can anyone tell me what the compression should be on 172 black devil please Quote Link to comment Share on other sites More sharing options...
Blackburn Mark Posted July 12, 2019 Share Posted July 12, 2019 According to Wiki.... 11:1https://en.wikipedia.org/wiki/Cors-Air_M25Y_Black_Devil Quote Link to comment Share on other sites More sharing options...
Blackburn Mark Posted July 12, 2019 Share Posted July 12, 2019 Assuming you are doing a compression test: If you are at sea level, 14.7psi X 11 = 161.7psi That's in an "ideal" world.. I wouldn't expect to see 161.7psi I would be happy to be within 10% of that, but that me guessing Quote Link to comment Share on other sites More sharing options...
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