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Shaun Hopper
Dodge Dakota
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8/11/2002
15:53:53
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 Subject: synthetic oil
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Message:
Is it true that switching from petroleum to synthetic oil can result in oil seal or gasket leakage after 50,000+ miles? I would like to switch to Amsoil but I dont want oil dripping everywhere.Does the same thing apply to automatic transmissions too?--thanks for any reply
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Nicks Dakota
Dodge Dakota
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8/11/2002
16:23:07
| RE: synthetic oil
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Message:
Synthetic oil will clean your engine out more. And thus might make a leak appear. But it didn't cause it. All it would have done was clean the seal so it leaked.
But it wont be the Cause of the leak.
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Dr. D
Dodge Dakota
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8/11/2002
16:56:19
| RE: synthetic oil
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Message:
Shaun,
A good quality oil like AMSOIl actually contains seal swelling additives to help keep engines from leaking.
I have been using AMSOIL for many, many years and I have had excellant results even in equipment with higher mileage that I purchased second-hand.
Dr. D
p.s.
If you have an old clunker that leaks quiet a bit of oil I recommend using the AMSOIL AME 15w-40 gasoline and diesel engine oil and change it as per the AMSOIL recommendations.
It's fairly inexpensive and if you have worn rings or lots of seepage around gaskets it won't wreck your pocketbook.
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Bernd
*GenIII*
8/11/2002
17:56:28
| RE: synthetic oil
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Message:
Why would you use an additive that swells the seals? If they're leaking, replace the seals. (Don't just put a bandaid on them.)
1997 Dodge Dakota SLT - V6
Supercharged/Intercooled @ 10# w/Nitrous
14.55 @ 96.01mph
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Dr. D
Dodge Dakota
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8/11/2002
19:43:29
| RE: synthetic oil
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Message:
I don't ..... seal swelling agents(additives)are formulated in the oil by the manufacturer (excluding non-detergent oils).
Dr. D
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MountainDak
Dodge Dakota
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8/11/2002
20:23:45
| RE: synthetic oil
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Message:
So far EVERYONE is correct (almost).
Question (You were not clear). Does YOUR truck have over 50k miles? Leaking now?
Simply Put: Oil sludge is the main culprit in seal leakages (to my knowledge).
You can do four things (maybe more) if you are concerned:
1) Follow Bernds Advice. Expensive ($$$), time consuming, and maybe unnecessary, since I think that you don't have a leak as of yet.
2) Follow Dr. D's Advice. The expense is the difference in price in switching (which I think you were going to do anyway).
3) Try some seal conditioner and see if the seal swells a bit (If it is leaking now).
4) Switch to an oil with seal swelling agents formulated "in it" (not aftermarket additives) if you are too concerned.
4) Ignore everyone and stick with DINO.
A lot is dependent of the frequency of your "to date" oil change intervals.
MountainDak :-)
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Shaun Hopper
Dodge Dakota
JOIN HERE
8/11/2002
21:12:03
| RE: synthetic oil
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Message:
You`re right,I wasnt clear.I have a 93 Dak with 318,it has 54,000 miles on it.Up to now I have used castrol or pennzoil petroleum oil but have decided that they are no more than adequate.I would like to use a synthetic or at least a dino oil with a base oil that has fewer impurities such as Conoco Hydroclear all season.
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handi2
GenIII
8/11/2002
22:27:16
| RE: synthetic oil
IP: Logged
Message:
With that many miles stick with dino. Dino oils will get you just as many miles if you change it often. If you need a seal swelling addative just use a capfull of brake fluid.
http://photos.yahoo.com/handi254310
2002 Quad Cab SLT Plus 4.7 Every Available Option
Access Tonnoue Cover/Bedrug/360 Air Intakez/Jet Stage 2
180 Robertshaw/Roadmaster Active Suspension
Street Scene Grill Inserts
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