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Today I noticed something odd. I've changed my father's Nissan 3.5s and other nissans since 1990 and they hVe all taken 5w30. His pathfinder is a 17 and I've been running M1 5w30 for the last 41k miles until I noticed the sticker on the hood says 0w20!!!. Oil cap is just black and it never...

I didn't seem to find a thread on this but was wondering what people think of this new oil from Shell tailored to gas trucks. Its a full syn which I think will be trying to match up to mobil 1s re-try at a suv truck oil.

I have a saab 9-3 with the GM 2.0T Ecotec. Book calls for 0w-30 Mobil 1. I always like change so Ive used the 0w-30 M1, ive used 0w-40 M1, GC 0w-30, 5w-30 M1 and now have in there 5w-30 M1 HM. car has 130k on it now and burns prob 1/2 quart every 5K miles. Going on a 3k mile trip next week and I...

The steering shaft input seal is leaking on the steering box and the seal is not replaceable without full disassembly. I already checked. Just a few drops but it annoys me. Will the maxlife help out? Steering is super tight and smooth so I dont want to get a reman box as I have heard horror...

Any negatives with moving to GC in my 2500HD? The last owner was a loyal dealership guy and had the trucks oil changed every 5k with bulk GM oil and Delco filter. I bought the truck with 61K on it and its always had a non ecore Delco filter and M1 5w30 since then. It now has 95k on it and since...

I swapped out the 65K mile origional Synthetic lube in my 06 2500 HD, put in Mobil 1 and was wondering with towing all summer long if I should swap it out again at 100K Easy to do as the front and rear diffs both have drain plugs. Just wondering if I am throwing money away since it takes quite a...

I had my pan dropped at 50K by the dealer and a new filter and fluid installed. Coming up on 100K and the fluid is nice and red still but I was wondering this time around if I should stick with straight VI or the Maxlife which says works well with the VI as well. Transmission is the 4L80E. There...

I have 87K on my 06 2500HD with the 6.0L Currently use 0w-30. The truck burns zero oil and has no leaks, except the oil cooler line which weeps out a little. I drive the truck everyday but not far. My OLMs usually kick off at 2700-2800 in the winter and 5K in the summer. (I drive less then 1...

Just purchased a used truck a few months ago. 06 Silverado 2500HD 6.0L and the oil pressure was always 30-35is HOT. This was with an AC Ecore PF46 filter and regular Mobil 5w-30. Prev owner had it serviced at the GM dealer religisly at 5K intervals. I drained the oil with 69% left on the OLM and...

Just bought a 06 Chevy 2500HD 6.0L (61K Miles)and just realized that after draining the oil and adding the 5qt Jug of M1 from walmart the truck takes 6 quarts I was thinking 5qt from the older SBC's Only other oil I have at home is a new bottle of Motorcraft Semi Syn 5w-20 which none of my...

My summer toy (which I dont drive often) began to get a little converter shutter as soon as 4th gear lockup occured (40 MPH) though 55MPH. Transmission is a Built 4L60E, Z pack Clutches, Beast Sunshell and alll the other goodies. Converter is an Edge 9.5in 2600 stall lockup. Transmission is 3...

Just saw this new line out and is now recommended on all MerCruiser engines. Has anybody tried this stuff yet? The 25w-40 blend and dino is still also available as well. I tried to get more info on this oil but didnt see much. Its running about 32 bucks a gallon.

I have an 04 Ranger 4.0L. Owned it since new. Always M1 since 10K miles. I used Motorcraft Dino for break in. Truck now has 56K on it. My question is, for the past 2 years my job has converted me from 18K miles a year to almost 4K a year. My last oil change was Nov 26, 08 and I used M1 5w-30...

I recently switched over my Pontiac Grand Prix from the usual M1 5w-30 to the 0w-30 and within 2000 miles of changing I noticed an oil leak. Car is still in the 3Y-36k so I took it to Pontiac and next thing I know they are on the phone with me telling me my car wont be done for 2 days. Its...

I want to run that Stihl HP oil but it says it degrades to 80% in 30 days or something like that. I go though about a gallon of 2 stoke gas in about a month and a half. Does this mean my last couple pours will be mostly gas and no oil? Am I better off running Stihl's orange bottled dino stuff...

I'm transplanting a Kohler Magnum into a tractor which origionally had no oil filter and the only one that will fit inside the frame rails is the Napa 7035 Its equivelant to the 28-052-01 Kohler filter. Are these any good? From the pics on napas site its so small it looks like it would have no...

Besides Rotella, are there any other 30wt brands that are strong? The Kohler books states 30wt and nothing else. Kohler makes their "Magnum" 30wt oil especially for this motor. Any thoughts? I assume I want a high Z level as its still flat tappet.

Why is it that the KT series and Magnum series still call from 30wt oil only? Upon installation into my JD 317 I used M1 10-30 for now since its cold out but I'm wondering about the summer time. What would make oil consumtion go up since its all a 30wt oil anyway at operating temps? If need be...

I'm doing a drain and refill on my 04 Ranger which requires Mercon V. Walmart has a new Mobil 1 ATF that says new and improved and Advance Auto has Mobil 1 ATF Mercon V. The first new and improved formulation says suitable for mercon V as well on the back. Is there a differance? I went to mobils...

I used to drive 60 miles a day for work with an 04 Ranger 4.0L and run 10w30 M1. My new job for the last 6 months have been under 1 mile round trip and 0-25* outside. I'm using the same oil but I can tell its hurting it as the oil cap is alll white from condensation. Stick with the M1 or go to...