Chasing the UTG Free Power Secrets. DIY Valve Back Facing. How do Performance Valves improve Engine Flow and Power? This video covers the theory behind Performance Valve changes, how to do and not do DIY Valve Backfacing, and the relationships with the camshaft and engine reversion.

After watching the Uncle Tony Valve Backfacing about a year ago I wanted to test and understand this with my Plymouth Duster rebuild. After doing some additional research I attempted a DIY valve backfacing.

This video shows the results of that work along with what I learned along the way.

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Uncle Tony's Garage Video- "Old School Power Secrets Explained"
[ Ссылка ]

Link to HotRod Article- "Valve Angle- Make More Horsepower" [ Ссылка ]

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