5 Golden Porting Rules - real detailed porting tech!
In this, PowerTec 10. episode 59, Part 4 of Rule #1 DV explains why certain valve forms work better than others. Why intuition led engine builders astray for maybe as much as the first 60 years of the 4 cycle poppet valve engines existance. Useing computational fluid dynamics (CFD) diagrams the reason that what appears to be the leaast streamlined valve actually flow the best and make more power
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% Golden porting rules - part 4 of rule #1
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Five Golden Porting rules - Rule #1 Part 2
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David Vizard's PowerTec 10 EP 12 Part 1 Checking Bearing Clearance. To Plastigage or Not.
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Mission Impossible Mopar 318 - more power no cost!
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Ford 289 Head Porting
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Easy, simple, near secret, chamber mods.
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What You Are Missing About Porting Heads
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The BEST Possible Way To Balance Crankshafts... But It Takes SO MUCH!
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David Vizard's PowerTec 10 EP 19 Why valve and port Discharge Coefficients are so important
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Here's how to fix a not so visible power pirate
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5 golden rules for Pro grade porting. What are they?
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5 golden porting rules - #1
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Balancing – 3 Things You Should *Never* Do (Expo 2024 - Episode 16)
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David Vizard's PowerTec 10 EP 25 Vortec 5.7/350 Vs LS 706 w/o and w/mods, the best of basic mods.
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DIY: Piston Mods that WILL Actually Make Power!!!
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Power Tec 10 EP5 David Vizard's Vortec cylinder head porting,
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$200 454 Engine Rebuild: Lapping Damaged Valves, Cylinder Head Cleaning and Reassembly (Ep.20)
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DUCATI 4V Head Porting
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Evaluating A DIY Head Porting Job
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