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04-30-2011, 06:18 PM
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#1 |
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Registered User
 Join Date: Feb 2011
Location: prescott, az
Posts: 225
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Rings and Synthetic Oil
I have a rebuilt 350.
How do I know when the rings have seated? What would happen if I switched to royal purple synthetic at 500 miles? I know everyone says 5000, but I am not sure why.
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1971 C20 Longhorn Custom Camper |
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04-30-2011, 09:40 PM
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#2 |
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Registered User
Join Date: Feb 2011
Location: prescott, az
Posts: 225
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Re: Rings and Synthetic Oil
bump
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1971 C20 Longhorn Custom Camper |
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04-30-2011, 09:49 PM
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#3 |
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~Rest In Peace~
Join Date: May 2005
Location: CALIFORNIA NOR CAL
Posts: 9,707
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Re: Rings and Synthetic Oil
there is no break in ,rings going to wear no matter when you start it ,i would use a break in oil for the first 500 just to get it flushed from what the machine shop ,then add your royal purple .remember friction is evil.
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is it fast ? it has a lighting bolt donut? B___H please, I can remove 90% of your so called "beauty" with a kleenex Last edited by fastwillie 696969; 04-30-2011 at 09:50 PM. |
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04-30-2011, 09:50 PM
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#4 |
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laying low
 
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,514
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Re: Rings and Synthetic Oil
Just my opinion here but I'd stick with the conventional oil for the 5000 miles before changing.
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Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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04-30-2011, 09:55 PM
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#5 |
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Registered User
Join Date: Feb 2011
Location: prescott, az
Posts: 225
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Re: Rings and Synthetic Oil
I used break in oil for the first 500. And by the way it had roller cam and lifters.
Why on the 5000? Seems like it shouldn't really make a difference. I can see 500 but 5000 seems like a bit much.
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1971 C20 Longhorn Custom Camper |
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04-30-2011, 10:04 PM
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#6 |
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Account Suspended
Join Date: Sep 2009
Location: High Plains of Colorado
Posts: 2,485
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Re: Rings and Synthetic Oil
There is an excellent FAQ on this site in the Engine and Drivetrain section in regards to Synthetic vs. Dino oils. Check it out here: http://67-72chevytrucks.com/vboard/s...d.php?t=381780
Last edited by lakeroadster; 04-30-2011 at 10:27 PM. |
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