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19bonestock88 · 09-09-2018, 10:13 AM

Yeah, makers usually spec a summer weight and a winter weight if they spec more than just one at all...

09-09-2018, 10:13 AM	#162 (permalink)
19bonestock88 Master EcoModder Join Date: Jun 2016 Location: KY Posts: 1,352 IGL - '04 Saturn Ion Team Saturn 90 day: 56.19 mpg (US) Thanks: 63 Thanked 366 Times in 269 Posts	Yeah, makers usually spec a summer weight and a winter weight if they spec more than just one at all... __________________ My current Ecotec project... My last Ecotec project...