This blog is all about snowmobiles from the 1960's thru the 1980's. The daily posts will feature stories, ads or press releases for a classic snowmobile during that period from various snowmobile magazines and other publications during that period in snowmobile history. Save this blog and view it on a regular basis. You never know, you may see your favorite classic sled featured here !
SENIOR PERSONALS DATEING SITE
Thursday, May 15, 2014
PERFORMANCE UPDATE
September 1988 - Cylinder Porting Helps Increase Fuel, Air Flow. Itdoes not hurt engine performance and can actually help an engine run better. Imperfections in the ports of mass-produced cylinders get ground away during the porting, leaving more perfect channels for the fuel and air. So along with expanding the ports and possibly giving them beveled or chamfered edges, rough surfaces and smoothed out.
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