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Castrol Syntrax 75W90 / has anyone used it

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Old 11-07-2013, 06:44 PM
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Glenn2008
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Castrol Syntrax 75W90 / has anyone used it

I will be changing out the diff oil and I now several of you use Amsoil, Mobil 1, and other products. Has anyone used Syntrax?
Old 11-08-2013, 01:30 PM
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Glenn2008
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Autozone had Mobil 1 synthetic 75W90 on sale, so I bought that.
Old 11-10-2013, 10:17 PM
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chuckie311
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I just changed mine out and went with Royal Purple
Old 11-11-2013, 01:45 PM
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TheLocNar
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How many miles did you guys have when you changed it out?
Old 11-11-2013, 02:20 PM
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Glenn2008
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30K, the first time 60K now. I'll probably begin to change it more frequently from now on, it's so simple, thanks to Black Betty.
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Old 11-13-2013, 12:44 AM
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chuckie311
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I changed mine out because I went to 4.08 gears
Old 11-13-2013, 09:03 PM
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TheLocNar
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Originally Posted by Glenn2008
30K, the first time 60K now. I'll probably begin to change it more frequently from now on, it's so simple, thanks to Black Betty.
I'm a little over 34k. Want to get mine done next week. Ordered some Redline 75w90. 4Q for front and rear since I have an X.
Old 11-18-2013, 10:12 PM
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Originally Posted by chuckie311
I changed mine out because I went to 4.08 gears
What weight royal purple did you go with? I just did the 4.08s as well! Best mod by far
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