After having heard, from different sources, that some tuners were considering to reduce turbo boosts in the higher rpm to prevent con-rod failures, I decided I wanted to look a little more closely the theory, because the thing wasn't actually convincing me too much.
Having had some time to spend, yesterday, I decided to look a little more deeper in the "con-rod stresses" related problems, with some (in my opinion) interesting reults.
I've collected some data coming from Aprilia's Development Center testing over two of theyr engines: a "street" 650cc single cylinder, and a "racing" 600cc single cylinder.
Following is a jpg of the significant data for those engines.
Dimensions are of course different, but with the right proportion and from a "quality" point of wiew, they are comparable to our engines.
Having had some time to spend, yesterday, I decided to look a little more deeper in the "con-rod stresses" related problems, with some (in my opinion) interesting reults.
I've collected some data coming from Aprilia's Development Center testing over two of theyr engines: a "street" 650cc single cylinder, and a "racing" 600cc single cylinder.
Following is a jpg of the significant data for those engines.
Dimensions are of course different, but with the right proportion and from a "quality" point of wiew, they are comparable to our engines.
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