Quote:
Originally Posted by Barry Bordes
But we still haven’t gotten to the root cause. The real problem is the raised spark plug area on the housing. There are at least three approaches to this problem:
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Our surface re-refreshing has virtually eliminated the spark plug hole raising issue. In fact this high spot is more detrimental than housing edge damage.
The cracks in the OEM Apex Seals are due to their hardness.
I noticed 20-30 compression gains on rotor housings when re-freshed using our Apex Seals and these are housings that would otherwise go to the trash.
A few years ago we posted a 135PSI 12A engine that we built but no one
believed now Judge ito has been building 130 to 140PSI Engines daily with used (refreshed) rotor housings but one thing is for sure the raised spark plug area is a problem if not addressed.
http://rotarycarclub.com/rotary_foru...t=12967&page=5
05-24-2011, 10:07 AM
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