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HiHoSilver
Dodge Dakota
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5/04/2003
00:20:52
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 Subject: Synthetic Oils
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Here's the question....Have an 02 4.7 with 10,000 miles. Put in synthetic 5-30. How long until the next oil change? Most miles are highway with some in town, I'd guess a 60-40 split.
Thanks for your thoughts, Bill
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franlofter
Dodge Dakota
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5/04/2003
00:33:12
|  RE: Synthetic Oils
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Did you switch from regular oil to synthetic? Hows your truck running on it?? what brand did you use? I would say every 3 months or 3000 miles but have read that you can just keep changing the oil filter and run for awhile on same oil.
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AmsoilSponsor
DakotaEnthusiast
5/04/2003
09:21:06
|  Synthetic Oils - Extended Interval - Amsoil
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HiHoSilver,
First let me ask ... What brand of oil did you switch to? I am not hear to "disrespect" any other manufacturers products, I simply want to know if you are using Group III (semi-synthetic) or Group IV / V (true 100% synthetic), and I will know what additives the manufacturer used to better determine a recommended change interval.
Not all synthetic oils and lubricants are equal.
Regarding EXTENDED DRAINS USING SYNTHETIC LUBRICANTS ... I try to be very clear when talking about extended drains. 10,000 mile oil change is absolutely possible. Up to a 25,000 mile interval is possible under certain conditions, but please read further for additional information. But the KEY here is that --- The 3,000 mile recommendation is overkill, especially with superior synthetic oils.
I know it's hard to believe, but there are a few things that I would like to clarify. Amsoil has been in the oil industry for 30 years. Due to Amsoil's superior synthetic composition and advanced performance additives, AMSOIL performs much longer than do conventional petroleum and other synthetic motor oils. No other major oil manufacturer matches AMSOIL's 25,000-mile or one-year drain interval recommendations (whichever comes FIRST, changing the filter every six months).
However, the 25,000 mile /1 year that is on the back of the bottle is NOT an absolute! One must realize that is for non-severe service (highway miles where you have stable operating conditions) and that the indicated drain interval also has a time period of 1 year maximum as well.
***** READ THIS PLEASE EVERYONE ***** : Under a combination of city and highway circumstances, AMSOIL recommends up to 2 or 3 times longer, it means up to 2 or 3 times the equipment manufacturer's recommendation (If your owners manual states 3k miles , then you can change at 9k, and if your owners manual states 5k then 12-15k changes would be alright based on driving habits ... the harder you drive, the sooner the change). Proper filtration is also very important. AMSOIL SDF Oil Filters must be changed at least every 6 months regardless of miles driven.
Notice: Modifications to engine will change service intervals.
Notice: More frequent service may be required under severe service operating conditions.
Notice: For drain interval beyond 3x manufacturers recommendations (especially the 25k change) --- Regular oil analysis is recommended for establishing drain intervals.
AMSOIL --- 30 years of manufacturing oil and mountains of data and tests make these clains possible.
Let me know if you need additional information.
--------------------------------------------------
Steven Roark , Amsoil Dealer , Proud Sponsor of www.DodgeDakotas.com
AMSOIL Synthetic Motor Oils, Lubricants, Filtration, and Truck Care Products
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HiHoSilver
Dodge Dakota
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5/05/2003
03:59:11
| RE: Synthetic Oils
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I installed Castrol syn. 5-30. Also installed a Purolater L3000? full sized filter, instead of the half sized. Also added an extra qt. for the larger filter size.
Thanks, Bill
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greg
Dodge Dakota
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5/05/2003
08:28:06
| RE: Synthetic Oils
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Just a comment about Castrol. The only 3-4 different times i have used it, both 10-30 and 5-30, i have had metal particals on the end of my magnetic dipstick. This has never happened to me other than with Castrol. I felt it doesn't do well with wear.
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StorminNorman
Dodge Dakota
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5/05/2003
11:04:09
| RE: Synthetic Oils
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I really don't see any advantages to the Syntec over a good quality oil. The Syntec really can't go extended like the much better choice of Mobil1 or Amsoil, in spite of costing the same price.
I like the idea of a bigger filter. I personally don't care for the Purolator because of its very thin metal cannister. I would rather go with Wix or any Champion filter, or Amsoil SDF.
Using the oil you chose I would not go beyond the 3k - 4k interval.
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Curt
Dodge Dakota
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5/05/2003
17:08:11
| RE: Synthetic Oils
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Yea i picked up my 98 CC 5.2 back in August with around 56000 on it...first thing i did was take it home and put Castrol Syntec 10W30 in it, with Fram Oil Filters...i don;t know too much but i figured it was good oil, and i still believe it is. But for some reason after about 1000 miles i would have to add about another quart of oil...no leaks, or anything i could think of...i didnlt know if this was caused from switching to synthetic oil or what, i still change the oil and filter every 3k - 4k miles, preferably closer to 3k, but its hard being at school. Any input into this would be cool ... thanks
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Curt
Dodge Dakota
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5/05/2003
17:08:40
| RE: Synthetic Oils
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Message:
o yea and it seems like the problem is getting less severe also
thanks
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