Here goes nothing with another oil question.
05-23-2014, 09:16 AM
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Year: 1999
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Here goes nothing with another oil question.
96 xj 4.0 about 100,600 miles on it. not sure what type of oil is in it now from when a guy worked on it. Was reading that shell rotella T6 is good. But which do i use for summer 5w-30 to 10w-30 ???
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tjsandog (05-28-2021)
Yes,yes,yes!!!!
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05-23-2014, 10:39 AM
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Year: 1999
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I know I know another thread I has to ask.i feel like my brains gonna explode reading to much I into this.just wanna make sure
05-23-2014, 10:56 AM
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^ beat me to it.
It's your vehicle so I don't blame you one bit for wanting to do what's best for it. Truth is you are "reading too much in to it". Any decent brand oil of the right weight(here I won't be swayed by what djb383 posted) changed at sensible intervals when run through a high quality filter will serve you well.
It's your vehicle so I don't blame you one bit for wanting to do what's best for it. Truth is you are "reading too much in to it". Any decent brand oil of the right weight(here I won't be swayed by what djb383 posted) changed at sensible intervals when run through a high quality filter will serve you well.
05-23-2014, 11:09 AM
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Year: 1999
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Let's remember we're talking about a 4.0, honestly you could probably put ANY kind of oil in it and it would still run decent (for awhile)
05-23-2014, 11:16 AM
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Year: 1999
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Dude said he put 5 quartz of 10w30 in it and one quart of Lucas stabilizer. And it has this filter in it from when he did this 3 months ago
05-23-2014, 11:21 AM
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FSM is fact. All else is opinion. Unless someone has data to backup their claim I don't want to hear it. The 4.0 has exceeded 300k miles with every know brand of oil out there.
05-23-2014, 03:27 PM
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I'd change the Oil ASAP, Lucus is garbage, the filter is ok (looks like Casite is a cheap version of Hastings) but nothing special.
For Oil Rotella T6 is a great option, but just about any 5/10w30/40 will do, higher-zinc content oils (like Rotella and other diesel oils) are recommended for flat-tappet engines like the 4.0L I6.
Make sure to use a good filter (Wix/Napa, Purolator, Hastings, Mann, Bosch, Mobil 1, Baldwin, etc.).
You can also use an "oversized filter" (for the Ford 302/351w) which will increase oil-capacity and filter area. Numbers as follows: Motorcraft FL-1A, WIX 51515/Napa 1515, Purolator L/PL30001, Baldwin B2, Bosch 3500, Hastings LF115, etc.
Last edited by dmill89; 05-23-2014 at 05:36 PM.
05-23-2014, 04:24 PM
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I'd change the Oil ASAP, Lucus is garbage, the filter is ok (looks like Casite is a cheap Hastings). For Oil Rotella T6 is a great option, but just about any 5/10w30/40 will do, higher-zinc content oils (like Rotella and other diesel oils) are recommended for flat-tappet engines like the 4.0L I6. Make sure to use a good filter (Wix/Napa, Purolator, Hastings, Mann, Bosch, Mobil 1, Baldwin, etc.). You can also use an "oversized filter" (for the Ford 302/351w) which will increase oil-capacity and filter area. Numbers as follows: Motorcraft FL-1A, WIX 51515/Napa 1515, Purolator L/PL30001, Baldwin B2, Bosch 3500, Hastings LF115, etc.
Thank you! And not to mention my jeep is running ruff once again .This was supposed to all be fixed from when the guy worked on it .now I just got codes P0300,P0301,P0302,P0303,P0304,P0305,P0306.Multiple misfires all cylinders! before anyone asks 3 months ago it got new wires ,ignition cool,spark plugs "champion", CPS sensor new hoses new radiator and a ton more