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Registered
Join Date: Mar 2019
Location: Saarland, Germany
Posts: 1,251
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According to the datasheet of the Castrol GTX classic 20W50 contains 1400ppm zinc. This is the very upper limit for cars equipped with catalytic converters. They write that it isn't appropriate for modern cars due the high zinc.
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1981 911 SC Coupé, platinum met. (former tin (zinc) metallic), Bilstein shocks, 915/61,930/16,WebCam20/21, Dansk 92.502SD,123ignition distributor with Permatune box as amplifier,Seine Systems Gate Shift Kit,Momo Prototipo. Want to get in touch with former owners of the car. Last registration in US was in 2013 in Lincolnshire/lL.
Last edited by Schulisco; 08-15-2023 at 12:35 AM..
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