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David Vizard's How to Port & Flow Test Cylinder Heads David Vizard
Publisher: CarTech, Incorporated

It is called “How to Port and Flow Test Cylinder Heads”, and please, don't buy it either! David.Vizard.s.How.to.Port.Flow.Test.Cylinder.Heads.pdf. Porting heads is an art and science. BOOKS ON SALE TODAY April 15, 2013 | free delivery | NO minimum purchase. We'll show you how, but you'll need to leave those old myths at the door. Engine builder extraordinaire, world-renowned author and technical genius David Vizard was in town recently, so we extracted as much knowledge full story. IOf you Using Dart Platimun Pro cylinder heads with four different intake port volumes ranging from 180 to 230 cc, he compared the flow rates achieved at different valve lifts and found vurtually no difference amoing the four, until lift passed the 0.400-inch mark. David Vizard's How to Port & Flow Test Cylinder Heads. From the February, 2009 issue of Popular Hot Rodding. 3 of 3 people found the following review helpful. Cylinder head porting is not for everyone. All the modifications in the tests shown were performed by the author of this article, and cylinder head flow expert David Vizard, at Vizard's flow research facility. David Vizard's How to Port & Flow Test Cylinder Heads (SA Design) $18.79. €�It didn't give me Unfortunately, David was grinding on so many heads a serious lung infection developed, and eventually he woke up in hospital after being found face down in a pool of blood at the foot of his porting bench. In order to understand the impact of intake port volume on performance, the folks at Dart Machinery tracked down engine guru, David Vizard, and asked him to write up the results of his testing on the topic. Photography by David Vizard, Johnny Hunkins But having the greatest flowing heads counts for zero if the valves are not opened sufficiently or at the right time in relation to the crankshaft's rotation, and that very important function falls to the camshaft. He had built his own cylinder head flow bench from a vacuum cleaner by 1958. Shop David Vizard's How to Port & Flow Test Cylinder Heads (SA … Over a storied 50-year career, David Vizard has built race winning engines and cars.