4.7 HO, recommended oil weight? - Page 2 - Jeep Garage - Jeep Forum

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Old 12-01-2014, 11:53 AM
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Re: 4.7 HO, recommended oil weight?

Back in the day, the Dino 10W-30 had fewer VI added to them(relative to a dino 5w-30), so Chrysler speced 10W-30 on the theory the Dino 10W-30 would not shear down as much as a Dino 5w-30.

With todays better oils and synthetics and xw-30 grades should be good.

I have some 10w-30 Rotella T5 in mine since I scored some gallons at 11$ a jug a few years back. Will go back to M1 or PP once I use up the Rotella T5.

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Old 12-01-2014, 02:51 PM
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Re: 4.7 HO, recommended oil weight?

Im due an oil change in about 1k, and hopefully german castrol is on sale. Hurts a little when its $10qt
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