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Old 10-20-2017, 08:53 AM
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ERIC_MEMS1@YAHOO.COM
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Hello all, for a 06 c6 Vert is there any other top fluid I can use other that GM #89022748 ? some have said synthetic gear oil70W90 will work , help Plz
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Old 10-20-2017, 08:57 AM
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Corvette_Ed
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The GM gear oil has special additives that the Corvette rear-end requires. Unless the other brand has the same, you shouldn't use it.
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Old 10-20-2017, 01:09 PM
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John Harry
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Use Dexron LS Gear Oil 75W-90, part #88862624. Most everyone has had good luck with it.
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Old 10-20-2017, 01:12 PM
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I used redline 75w/110, seems fine no chattering on turns.
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