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...
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...
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...
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...
