Longer Piston Is Compression Aid
LJIGH compression can be incorpor-,; ated into any engine by the very simple process of installing longer pistons. These serve to reduce the size of the combustion chamber and thus accomplish the same result as installing a special high compression heiad.
Only a few supply special heads for older models, j.biit longer pistons can be purchased?: m many places and installed by any i experienced , mechanic. It is only ;Tecently that automobile dealers and mechanics have .thought of this simple way to l-aise the compression of the older type engines. A fortunate feature of the plan -is the fact that if the pistons selected happen ■ to raise compression too high the cylinder head can be raised by special gaskets until just the right compromise is made. , . ; . '
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https://paperspast.natlib.govt.nz/newspapers/NZTR19281108.2.85.2
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NZ Truth, Issue 1197, 8 November 1928, Page 20
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131Longer Piston Is Compression Aid NZ Truth, Issue 1197, 8 November 1928, Page 20
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