WebThis picture of a typical stock exhaust port shows several important features: 1) Circled in yellow is the "Thermactor bump". This obstruction on the roof of most post-1966 Ford Windsor heads is a huge impediment to exiting gasses. Grind this out! 2) The grey stem in the back of the port is the valve. Note the valve guide boss. WebJan 17, 2015 · Porting heads is an art and science. It takes a craftsman's touch to shape the surfaces of the head for the optimal flow characteristics and the best performance. Porting demands the right tools, skills, and application of knowledge. Few other engine builders have the same level of knowledge and skill porting engine heads as David Vizard.
Porting Head
WebMar 14, 2024 · With the advent of CNC machinery, high performance cylinder heads are being flow optimized in a fraction of the time it took by hand and with far superior accuracy and consistency from port to port or seat to seat. CNC porting a head takes a job that may have taken weeks to do by hand in some cases, and turns it into just a few hours. WebSep 5, 2006 · It's a big subject to cover, so to chop it down to more manageable bites, we are going to apply five basic rules: 1.Locate the point of greatest restriction, and work on that first. 2. Try to let... sharon cuneta movies 2021
How to Port and Polish Your Car Cylinder Heads - YourMechanic
Web10K views 3 years ago Video comparing a ported head to one not started yet. Done with an electric die grinder with carbide burrs and sanding cartridges, and some minor work with a … http://vb.foureyedpride.com/showthread.php?26094-GT40P-heads-home-port-and-polish-finished!!!! WebJun 2, 2005 · GT40P heads home port and polish finished!!!! Heres a couple of pics of my finished gt40P heads: All chambers were smothed with 60 grit rolls, and then polished with 120 and 240 flapper wheels. On the exhaust side, the thermactor bump was grinded down using carbide cutters,all casting flash removed using 60-80 grit rolls , and polished ... population of vegreville ab