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Field Notes

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Making New Valve Springs

   Faced with replacing two broken valve springs on an ancient 4-cylinder engine, I found springs of the correct diameter and correct wire size. The stock spring was longer and stronger, so I gambled on some homegrown metallurgy. The replacement springs were fully compressed with bolts and washers, then cooked in a gas grill on the highest flame for three hours ...

Leon Ridenour | May 8, 2018

Gas Engine Magazine

Preserving the History of Internal Combustion Engines