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  1. KevinJohnson

    Valve spring pressure and boost

    Well, some people might have gotten the idea that increased valve spring pressures were needed on a turbo because they read SAE 840252. http://papers.sae.org/840252/ which mentions that valve spring pressures and valve materials were changed. So perhaps without knowing why for certain they...
  2. KevinJohnson

    oil deaeration

    rbmc 1968, Now that would be an interesting video to see. I have a spare Suzuki G10 engine (993cc -- tiny) that I am thinking of mounting on a platform that I can tilt side to side and fore and aft. In addition to the pan, I was also considering sectioning out several areas on the side of the...
  3. KevinJohnson

    oil deaeration

    rbmc 1968, What inspired you to try that? Or was it serendipity? ;) Kevin
  4. KevinJohnson

    oil deaeration

    Ed Pink has one.
  5. KevinJohnson

    windage trays and crank scrapers

    Dreamspeed, Can you describe more about the design that lost hp? One thing I have seen in "classic" scraper design is a lack of drainage ports for oil that collects on the top of the scraper. That forces the oil to go for at least another trip round once the volume builds to the point where it...
  6. KevinJohnson

    windage trays and crank scrapers

    MNRaptor, take a look at the design for the Ford SHO V6 on crank-scrapers.com. It uses part of this idea -- the chisel edge of the scraper directs oil out of the existing ports in the SHO windage tray. The scraper attaches to the main bearing girdle. I think Moroso makes a louvered full length...

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