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Everything Dirt Bike
General Dirt Bike
High Compression Pistons
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<blockquote data-quote="cleonard" data-source="post: 118002" data-attributes="member: 21"><p>There are a ton of variables involved. All other things being constant I doubt that you would notice much difference from 13.5 to 13.8. Maximum compression that an engine can take before pre-ignition sets in can be wildly different from one design to another. The exact conditions like air pressure (altitude), temperature and even humidity can all have a big effect. The different piston can change the airflow characteristics inside the cylinder and this is a very important part of engine design. </p><p> </p><p>Another factor is what the manufacturer claims vs actual reality. These can differ. Is it really 13.8?</p></blockquote><p></p>
[QUOTE="cleonard, post: 118002, member: 21"] There are a ton of variables involved. All other things being constant I doubt that you would notice much difference from 13.5 to 13.8. Maximum compression that an engine can take before pre-ignition sets in can be wildly different from one design to another. The exact conditions like air pressure (altitude), temperature and even humidity can all have a big effect. The different piston can change the airflow characteristics inside the cylinder and this is a very important part of engine design. Another factor is what the manufacturer claims vs actual reality. These can differ. Is it really 13.8? [/QUOTE]
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