Question about 1988 Jeep Wrangler

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What weight oil should I use in my 1988 wrangler? tks

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Any good quality name brand 10w/30 or 20w/40 oil will be fine in your engine. Even in an engine that old, I use a good synthetic. Generally they give better protection and thermal stability than conventional oil as well as having a longer life-span. (google: noyac volatility tests) for good information on this. The only time I would refrain from using a synthetic is if the engine has a bad oil leak. Synthetics are expensive and if it is leaking out, it can cost too much to keep it topped off. If your engine is relatively leak free, a good synthetic can actually reduce your oil consumption as most tend to soften age hardened seals and will also dissolve carbon deposits in the piston ring-lands, freeing binding rings.
One thing to keep in mind is that you need to pay attention to the micron rating of the filter you use. (smaller is better). Regardless of oil type, contamination due to poor filtration can turn any lubricant into "liquid sandpaper" on a microscopic level.
Good luck!!

Posted on Dec 12, 2009

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From www.mobiloil.com
What's the right oil for my car? graypix.gif spacer.gif Tell us about your vehicle spacer.gif
Knowing the type of engine in your car is important to our ability to match products of the appropriate viscosity to your vehicle. Please pick the engine in your vehicle.
spacer.gif Current Vehicle: Year: spacer.gif 1988 Make: spacer.gif Toyota Model: spacer.gif 4Runner
Please select an engine type. Select Sub Model Cylinders Liter Aspiration DLX 4 2.4 Naturally Aspirated SR5 4 2.4 Naturally Aspirated SR5 4 2.4 Turbocharged SR5 6 3.0 Naturally Aspirated

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