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75-90 or 75-140 wt differance ?

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Old 12-06-2008, 10:06 PM
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Default 75-90 or 75-140 wt differance ?
what would do if I used 75-140 wt gear oil instead of 75-90 wt ?
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Old 12-07-2008, 12:59 AM
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nothing, you'll have better protection for higher heat while retaining your cold protection.
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Old 12-07-2008, 07:27 AM
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Better cold weather protection. Very slight loss in power cause it is thicker. Some think it helps to mask gear whine.
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