Posted by AVaughn [104.22.1.120] on Tuesday, September 29, 2026 at 16:04:03 :
In Reply to: Castrol GTS Classic 20-50 Motor Oil posted by Vaughn [172.69.140.144] on Tuesday, September 29, 2026 at 10:15:46 :
Great information.
I have been using Castrol for years in multiple engine brands. 230, 231, 305, 350, 360, and never had a problem oil wise. Dropped a valve once or twice but that was youthful exuberance (heavy boots).
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