4.7L owners... 5w-30 or 10w-30? - Dakota Durango Forum
4.7L/4.7L HO/4.7L Gen II Engines Questions regarding the 4.7L V8 engine

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post #1 of 47 Old 07-16-2006, 02:30 AM Thread Starter
Reacher
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4.7L owners... 5w-30 or 10w-30?

I just changed my oil (M1 with Wix) and was wondering if you guys stay with the suggested 5w-30 during the summer of if you change over to 10w-30. The manual says that for best fuel economy use 5w-30. I live in Dallas so it never gets much below about 20F in the winter and in summer it's hot as f**k.

Anyone.. anyone... Bueller.. Bueller..
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post #2 of 47 Old 07-16-2006, 02:33 AM
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i have been puttin 10w30 in it since i had my truck and shes bout to hit 170,000


2002 Dakota R/T, Red, 255/50/R17 chrome R/T wheels,B&G Flashed ,Flowmaster,Round Element Filter, M1 Intake, F&B TB52mm, SS Grill Inserts,AutoLite Plugs,Msd Wires,2 Peice diamond headlighs and corners....more to come


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post #3 of 47 Old 07-16-2006, 02:55 AM
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I've always used 10w30 without issue and my latest MPG was 18.7 so I dont think I'm taking a hit in the MPG dept.

Rick

-Rick
2001 Dodge Durango 4x4 4.7l SLT -
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post #4 of 47 Old 07-16-2006, 04:15 AM
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10w30 mobil 1 synthetic.

24 mpg highway consistantly

Paul

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post #5 of 47 Old 07-16-2006, 04:32 AM
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i run 5w30 mobil1 and mopar filter year round 90-100f summer and 20-30f winter no probs :biggthump

2001 durango slt patriot blue 4.7l 4wd
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post #6 of 47 Old 07-16-2006, 06:17 AM
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Im in Hell and I run 5w-30. seems to run fine. With the tight tolerances of new motors, I think its best.

2004 Quad Cab SLT+,4x4, 4.7l, Limited slip diff
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post #7 of 47 Old 07-16-2006, 06:58 AM
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Mobil 1 5w30 with Purolator Pureone filter. usually 20-22 mpg

Geoff

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post #8 of 47 Old 07-16-2006, 07:09 AM
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5w30 mobil one

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blk. rc. 4.7l. 5 spd. 3.92 lsd. K&N FIPK. Lakewood traction bars. ARE hard cover with wing. Line X bed liner. Superchips tuner. best 1/8 E.T. 9.653 @ 73.32 best 1/4 E.T. 15.063 @ 90.94 mph. 10/28/05 at Great Lakes Dragaway.
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post #9 of 47 Old 07-16-2006, 08:08 AM
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5w-30 usually Mobil 1. But sometimes its whatever synthetic WalMart has on sale. And always a Ford (Purolator)FL1A filter.

1993 Ex-FHP Coupe,2001 Dodge Dakota,1989 Lincoln Mark VII

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post #10 of 47 Old 07-16-2006, 07:46 PM
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Royal Purple! I run 10W40 cause I've got 100K+ and I think it helps to cusion better. Who knows. I run Royal Purple cause Napa Employee's get it cheap!

- Greg -
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post #11 of 47 Old 07-16-2006, 08:12 PM
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5w-30 vs 10w-30 Viscosity Thread - Amsoil Forum FAQ BLOG - Steven Roark Amsoil Dealer

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Quote:
Originally Posted by Reacher
I just changed my oil (M1 with Wix) and was wondering if you guys stay with the suggested 5w-30 during the summer of if you change over to 10w-30. The manual says that for best fuel economy use 5w-30. I live in Dallas so it never gets much below about 20F in the winter and in summer it's hot as f**k. Anyone.. anyone... Bueller.. Bueller..
You can use the 5w-30 year round (I do) - as the "5w-" and the "10w-" are both 30 wt. oils at running temperature. Here is a VISCOSITY INFORMATION THREAD that I created on this website. For more information you can click this LINK.

---------------------
Information and Answers To Your Questions are in the AMSOIL FORUM (link) on this website.

Visit AMSOIL = American-Synthetic-Oil (link) to Request a FREE AMSOIL CATALOG.

Thank You, Steven Roark, AMSOIL DEALER # 1061837, Proud Sponsor of www.Dakota-Durango.com

Synthetic Motor Oils, 2-Cycle Oils, Transmission Fluids, Filters, Gear Lubes, Industrial & Speciality Products

Last edited by Amsoil Dealer; 07-16-2006 at 08:14 PM.
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post #12 of 47 Old 08-08-2006, 09:39 AM
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Amsoil SAE 5w-30 and 10w-30 is only $5.25 quart (when ordering a case) + shipping

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Amsoil is much lower priced than you might think ...

Amsoil SYNTHETIC SAE 5w-30 is only $5.55 per quart

$5.55 is the Amsoil Preferred Customer Price (wholesale), and since I am paying
for the Amsoil Preferred Customer Memberships (see below) - that is your actual cost.

Even cheaper by the case. The price drops to $5.25 per quart.

The same oil, Amsoil SAE 5w-30, is $7.05 Suggested Retail .

DON'T PAY RETAIL ! ... Buy WHOLESALE !!!
__________________

Here is the thread where I offer to pay for the FREE Amsoil Preferred Customer Memberships:

FREE AMSOIL PREFERRED CUSTOMER MEMBERSHIP OFFER (like joining a COSTCO) and WHOLESALE PRICES

---------------------
Information and Answers To Your Questions are in the AMSOIL FORUM (link) on this website.

Visit AMSOIL = American-Synthetic-Oil (link) to Request a FREE AMSOIL CATALOG.

Thank You, Steven Roark, AMSOIL DEALER # 1061837, Proud Sponsor of www.Dakota-Durango.com

Synthetic Motor Oils, 2-Cycle Oils, Transmission Fluids, Filters, Gear Lubes, Industrial & Speciality Products
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post #13 of 47 Old 08-24-2006, 04:52 PM
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Quote:
Originally Posted by Reacher
I just changed my oil (M1 with Wix) and was wondering if you guys stay with the suggested 5w-30 during the summer of if you change over to 10w-30. The manual says that for best fuel economy use 5w-30. I live in Dallas so it never gets much below about 20F in the winter and in summer it's hot as f**k.

Anyone.. anyone... Bueller.. Bueller..

Reacher,

I just use 5W-30 recommended in the manual. Of course I use a synthetic oil.

rimfire,22
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post #14 of 47 Old 08-29-2006, 04:54 AM
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doesnt matter what you use as when it heats up both is still a 30 weight oil. its just how well it flows in cold temerature thats all. the 5w will flow better at colder temps than a 10w oil
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post #15 of 47 Old 08-29-2006, 06:50 AM
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I use 5w30 all year round for my 4.7 and my 3.9. Since it gets cold up here.
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