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MX | Off-Road Gear Info & Reviews
HP4 or GN4?
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[QUOTE="snaggleXR4, post: 149529, member: 24395"] Hello, I used to use Castrol automotive, never had problems. Then one day I picked up GN4 for ~$3/qt. and tried it. Shifting is very noticably smoother. I've never used anything else since. HP4 is just a sythetic version of GN4. I believe that whatever oil you use, if you change it very often, it's better than just using "better" oil. Besides with the $ you save, you can almost buy an oil filter and change it every time you change the oil, rather than every other time like I've heard. I say go with the GN4 and change it and the filter every 100 miles or less, depending on how hard you ride. Good luck, and keep on thumpin! [/QUOTE]
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MX | Off-Road Gear Info & Reviews
HP4 or GN4?
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