Question about 1993 Dodge Caravan
It has over 100,000 miles on it and its a 318 engine. If so, would oil consumption be excessive or cause a seal break down?
Yes. Providing the engine has been well maintained and does not have lots lof sludge in it. I do not recommend flush (it loosens up too much debris all at one time and can plug pump screen. On older engines i usually introduce synthetic in "stages", replacing two quarts on first oil change, then 100% at 3000 miles (with filter). Does it work?? I used synthetic (amsoil) in a 318 engine bought at 100k miles and ran it till the trans finally started slipping @ 363K miles. When I bought it it had some light lifter noise. After using synthetic for a few months, noise disappeared and I never had any internal problems for the remainder of the time I had it (and sold car for $400 just for the engine!!!) As far as seaks go, usually synthetics will soften hard seals and lessen leaks valve covers etc may leak more but usually are easy to replace. Good luck PS: only synthetic I would not use is Mobil because there are more additive packages and less actual lubricant in each quart than you could imagine: it has been "re-formulated" at least ten times since they first put it on the market.
Posted on Feb 26, 2009
Here are the facts about synthetic oil, it is far superior in every respect to regular motor oil, engines that use it wear far slower in area's like the cylinder walls and rod bearings, it saves fuel because it is easier to pump because the viscosity changes little with temperature, oil change intervals can also be increased to at least 5,000 miles, which saves money and offsets the price of the oil. I would suggest you use it if u plan to keep your vehicle for a long time miles wise, otherwise it would be a waste of money at $6 per quart, will it increase oil consumption, most likely not, use 10W-30W is my recommendation.
Posted on Feb 26, 2009
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Posted on Jan 02, 2017
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