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Thread: When to change to Synthetic Oil?
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07-18-2007, 06:06 PM #1
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Black- 2002 Pontiac Firehawk
When to change to Synthetic Oil?
I've been thinking about changing to synthetic oil. I was always told by friends to wait until 15,000 miles. I have 13,000 miles, so the time to switch is near...right?
Furthermore, which synthetic oil should I use?? Royal Purple, Mobil1, Castrol, ????
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07-18-2007, 06:22 PM #2
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black- 2000 nhra edition formula
why do you want to change? alot of the synthetic oil out there isnt even 100% synthetic anymore
2000 nhra edition formula
a few bolt ons, 379 rwhp
11.96 @113.25
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07-18-2007, 06:43 PM #3
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Black- 2002 Pontiac Firehawk
Two reasons: 1) It's better for the engine (urban legend?) and 2) So I only have to change the oil once a year... I drive approx 2,00 miles per year and don't want to worry about the oil breaking down after 3 months and 1,000 miles. Maybe I'm making a mountain out of a mole-hill... My Grandfather told me since I was a little boy, "Changing the oil is the most important thing you can do for your car. It's the secret to making your car last forever!"
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07-19-2007, 05:40 AM #4
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07-19-2007, 06:28 AM #5
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- Retired Outlaw Sum Bitch
Todays SM rated conventionals are as good as synthetics for 3-5 thousand mile Oil Change Intervals firstly. The only advantages of running a synthetic today for those OCI's would be heat tolerance above 300f and cold starting pumpability....and that is fractional at best....Secondly...you can change to synthetics anytime you wish...day one or 100,000 miles...doesnt matter.....that urban myth comes from in the early days of synthetics...they cleaned seals and gaskets causing leaks that had been prviously plugged by sludge and crap.....that scenario doesnt exist today.....I would rethink Royal Purple as they have been delivering some world class shit results lately for Used Oil Analysis.....
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07-19-2007, 08:07 AM #6
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2000 Silver WS6 M6- 2002 Black Tahoe
One thing to be cautious about is the oil filter. Yes, a synthetic will not have as much heat breakdown, and will maintain it original properties much longer than conventional oil, but the filter would be a weak point if you only plan on changing the oil once a year. I would recommend changing your filter at least every 6 months to be safe!
My favorite oil for the cost/benefit factor is Mobile One. Yes, there are some more expensive, marginally better ones out there but it's not worth the expense.Last edited by SLP_WS6; 07-19-2007 at 09:00 AM. Reason: claification
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07-19-2007, 07:43 PM #7
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07-20-2007, 04:44 AM #8
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For sure ^^^^^
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07-21-2007, 12:23 PM #9
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Black- 2001 T/A M6
I also use Mobil1
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07-22-2007, 01:31 AM #10
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18D Cock Diesel- 1999 Z28; 98 SS #2043 RIP
+1 Pennzoil Platinum
"I am the executioner. When a crime is committed and the exalted state does not take vengeance nor move to punish, then comes time for the executioner to declare himself. I have waited long enough. The criminals are hereby sentenced to death. By fire. By earth. By water."
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07-22-2007, 07:27 PM #11
sarge what type of oil and what brand do u recommend?
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07-23-2007, 04:03 AM #12
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Right now ( as formulations change with the wind these days) Pennzoil Platinum 10-30 is about the best oil out there.....
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07-23-2007, 04:17 AM #13
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NBM / Silver- 00 SS / 71 SS Elcamino
mobil 1 or royal purple with a mobil 1 filter (twice the filtering area as a fram)
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07-23-2007, 08:37 AM #14
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Red Tint Jewelcoat- 2008 Trailblazer SS
Delco filter.
Pennzoil Platinum 10w-30. At least once the VP runs out.
No more wasting money on Mobil 1. Good oil...just not $6 a quart good.
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07-23-2007, 11:35 AM #15
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07-23-2007, 04:38 PM #16
Yeah thats what I heard until I used PP last time...let me tell you the crap came outta my car like black syrup.....M1 has never ever looked that bad. I change my oil every 3k using syn oil I will never use PP again! Oh and I work for Pennzoil if that aint a statement I dont know what is.
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07-24-2007, 01:13 PM #17
I talked to the mechanic who works on every kind of car about oils one day and the synthetic came up. His take on it was synthetics are better for the change interval and better viscosity. He also said the one he recomended was mobil one and his least recomended was penzoil. I trust his word, he rebuilds engines for the local racecars and for anyone else too and has seen the results of each
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07-24-2007, 08:25 PM #18
i use kn oil filter and mobile 1 full synthetic, but, i dont think there is a "best" oil out there. you can use the most piece of crap of oil out there (not unless your racing), as long as you check / change your oil regularly. i always check my oil every gas fill. if it dont look right to me, even if i just changed my oil 100 mile ago, i would go ahead and change it. and also, like the other members are saying, changing your filter is as important as changing your oil.
Last edited by alkaydenz-28; 07-24-2007 at 08:27 PM. Reason: add info
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07-25-2007, 07:31 AM #19
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07-25-2007, 10:20 AM #20
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