03-10-2018, 04:25 PM | #1 |
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Royal Purple
I have a new engine and new turbo 400. Is Royal Purple worth $15.00 a quart? At $15 x 12 quarts=$180.
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Tom in Iowa 68 L88 C10 68 4x4 C10 soon |
03-10-2018, 05:45 PM | #2 |
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Re: Royal Purple
Royal Purple is definitely a very fine motor oil, but I wouldn't use synthetic oil to break in an engine.
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03-10-2018, 06:16 PM | #3 |
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Re: Royal Purple
If your engine has a flat tappet cam I suggest that you use Brad Penn break in oil 30w and after break in, Brad Penn Grade 1 10-40 or 20-50. Available through Summit.
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03-10-2018, 06:58 PM | #4 |
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Re: Royal Purple
sorry ....the Royal Purple was the trans fluid. for $15. quart
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Tom in Iowa 68 L88 C10 68 4x4 C10 soon |
03-10-2018, 08:32 PM | #5 |
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Re: Royal Purple
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03-10-2018, 09:39 PM | #6 |
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Re: Royal Purple
Any of the new transmission fluids are synthetic base
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03-10-2018, 09:50 PM | #7 |
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Re: Royal Purple
There is no need for special oil in the trans. for break-in. Whatever quality of fluid you feel is necessary for the long-term is good from the start.
Brad Penn and Amsoil, among others, make high-zinc break-in oil. After the first 500 mi. (which should mean the rings have mostly seated and the cam is completely broken in) I'd run a 1,000 mi. change of a good high-zinc conventional (probably something rated SM) or use a zinc additive but *not both*.
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