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Old 05-05-2013, 10:18 PM   #21 (permalink)
cRiPpLe_rOoStEr
It's all about Diesel
 
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Quote:
Originally Posted by Occasionally6 View Post
I think that the gas Sky-Active (sp?) engines also run compression ratios around 14:1. Oddly enough, I have seen several sources that suggest that is close to the optimum ratio for efficiency before the losses start to outweigh the gains with higher ratios.
At higher compressions there are higher "pumping losses".

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