Members Cumberland Highpower Posted June 26 Members Report Posted June 26 (edited) On 6/23/2025 at 6:59 AM, fibersport said: FredK - I see you're in Ireland so that might explain your comment about "modern cars" (not making any bad references to Ireland or your cars of course), here in the US 10W-40 went out with the 70's. Some of our newer cars run 0W-20! When my "work van" with a 3.6 Pentastar went out of warranty 10 years ago I started using 10w30/40. Was cheaper to buy as a generic than 5W-20. I've seen no negativity over the years and have 350k on it. No apparent decrease in fuel economy or hard starting in cold either. In a general sense it makes no difference in most applications. Edited June 26 by Cumberland Highpower Quote
Members Gump Posted June 26 Members Report Posted June 26 Sewing machine oil is light mineral oil. The drug store stuff is heavy mineral oil, not good for machines. I personally use 5 w 20 synthetic motor oil for industrial sewing heavy web strap, 6" wide and you can hear the difference at full speed. So much quieter, all the little clicks go away. Color is close to clear, but wouldn't use around vegtan. Quote
Members dikman Posted June 26 Members Report Posted June 26 10 hours ago, Cumberland Highpower said: Topic for endless debate here. Indeed! If you join a car or motorbike forum I can guarantee there will be a thread titled "what is the best oil to use?" and there will be endless discussion/argument about the subject. Quote Machines wot I have - Singer 51W59; Singer 331K4; Seiko STH-8BLD; Pfaff 335; CB4500. Chinese shoe patcher; Singer 201K (old hand crank)
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