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The Mangoletsi Desdomonic Valve Gear - full article
George Mangoletsi with the Jaguar SS in Bulgarian snow, 1939.
MANGOLETSI BMW 2002 - full article
1961 Autosport factory visit. (.pdf 2.7MB)
“Mango’s Hot lines from Hot metal” Gordon Bruce, MOTOR, December 16 1972.(.pdf 1MB)
The following press, motor industry research organisation’s and fleet owners’ reports prove that the Mangoletsi GM Manifold Modifier was the only petrol saving equipment that really worked.





