In addition to maybe being a pollutant in itself, I think that zinc additive destroys catalytic converters somehow ..... and then in turn I guess the pollution stuff steps up if the converter is dead. A number of specialty oils have the zinc additive still, high performance hot rodders with older engines buy it from shops but it's pretty pricey compared to the regular off-the-shelf stuff. And usually purchased by the quart or litre, not in 5-gallon pails like a lot of the guys here like to do. And I think the additive itself is still available by itself, simply add it to modern oils. Once again I would guess that it's pricey.
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Today's Featured Article - Search For Spares - by Anthony West (UK). Following on from the aquisition of the old Fordson F, I was very much in need of spares. As a novice though I didn't appreciate the fact that there were so many Fordson tractors made, that all the other makes seem rare by comparison. As far as I was aware a fordson was a fordson and it was only through trial an
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