Best Oil and Filter

[dirtmod30]

what do you guys use?? and for the trans and rear end?

[MrJohnWayne]

I use rotella 15W40 with wix filters for the motor. As far as tranny I havent had an auto in a long time but I used to use the napa house brand and never had a problem. Gear oil is 75W140 I believe and ford uses full synthetic. At least in mine they do. Hope this helps! Also if you have a limited slip/posi be sure to add the friction modifier.

[dirtmod30]

Thanks for the info, I have a 5 spd trans...

[fordnut85]

I use Rotella and Wix also, in my 5 spd I use castrol oil and add a little Lucas to it, same with the diff.

[sootyoil]

Best oil/filter? hmmmm, my last used oil sample with 40,000+++ miles on the oil, that came back "No corective action required, oil is suitable for continued use" seems to be the best oil and filters I ever used, four years old and still kicking :burnout note: I buy the cheapest oil for long term use.
I dont buy the expensive short term use Rotella terrorist oil

[Glen95Stroker]

I'm going to do the 46637 mod and I thought I'd order oil and fuel filters @ the same time. I read there is an issue on some fuel filters with the center pin being too short and having the wrong type oring seal and the oil filters being too long. Do the Wix oil and fuel filters have any of these issues and what Part numbers should be avoided, if any?

[Dave]

Originally Posted by sootyoil

Best oil/filter? hmmmm, my last used oil sample with 40,000+++ miles on the oil, that came back "No corective action required, oil is suitable for continued use" seems to be the best oil and filters I ever used, four years old and still kicking :burnout note: I buy the cheapest oil for long term use.
I dont buy the expensive short term use Rotella terrorist oil

Im betting your talking about amsoil but i dont know if i could go that long even with analysis

[fordnut85]

Originally Posted by Glen95Stroker

I'm going to do the 46637 mod and I thought I'd order oil and fuel filters @ the same time. I read there is an issue on some fuel filters with the center pin being too short and having the wrong type oring seal and the oil filters being too long. Do the Wix oil and fuel filters have any of these issues and what Part numbers should be avoided, if any?

The Wix fuel filters do have a different center pin, they changed it for some reason but they do offer a different fuel filter lid and it's really cheap.

[sootyoil]

Originally Posted by quadracer1014

Im betting your talking about amsoil but i dont know if i could go that long even with analysis

why is it a oil analysis isn't believable either? uoa sure makes a believer out of the owner of a truck under warranty. and with a tbn @6.36 and soot @.098 I still have a engine running at peak power and making 20/25+ mpg. why don't you send for a uoa and we can compare results...

[Dave]

Hey man i meant no offense at all Im just stating that i wouldnt go that far myself. Even with analysis most im goin is 10,000 miles on oil For me thats about once every 8 months give or take IMO opinion i would rather spend the money on the oil change that often