i got a 1992 f-150 302 with a 190,000 miles does anyone know what the best oil to use in it?

 

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I always say if you know what kind of oil was used before and got it to that mileage, go ahead and use that. My 97 has 195,000 and I use motorcraft and a motorcraft filter. If I had to go with anything else, I would go with Havoline or Chevron.

 

I like bigdaddyll's approach.

I've used Havoline, changed on time, or sooner, as my driving conditions called out, for over 50 years now, in all kinds of engines, with no problems.

No sludge, no varnish, no carbon, no gel, no tar, no deposits, no problems, just clean long lasting engines for me!!!!

So far it's been a good lubrication bang for my buck.

I now use Motorcraft filters, they are well made with a large media area, have a good balance of filtering ability over it's life, with good flow & low pressure drop accros the filter & a bypass valve properly located in the base, for my engines inverted mounting posiion, so setteled out debries don't get washed back into the engine during bypass, on those cold morning, high rpm starts, or when I have to get er up to warp speed on the interstate!!!!. lol
A danged good bang for my filtering buck IMO!!!!

Don't know where you live, or what your driving conditions are, but your owners manual probably calls for 10W-30, so I'd continue to use whatever it calls for, or has been used thus far, unless your conditions call for a change.

Like, if it's really cold in winter where you are, maybe 5W-30 would do better in winter & offer less startup noise & wear.

Or if it's really warm where you are, maybe 10W-30 year round would do.

Anyway begin with your owners manual recommendiations & go from there & keep the lube & filter changed on time as determined by your driving conditions.

 

92nitefs, thanks for joining us in the Oil and Lubrication forum!

Hope you're enjoying the forums. You've been given some great advice here already. Thanks guys!

It's not mandatory, but I am asking the new folks whom I greet to voluntarily append their profile information to include their "Location." A lot of times this helps others to help you by knowing a little about your topography and weather. You don't need to give enough detail for the Homeland Security black helicopters or the IRS to find you. Just your state will do. Thanks!

 

Here in Missouri, I tend towards 10W-30 in the spring-summer-fall times. In the Fall-Winter-Spring opposite, I always use 5W-30. It's gotten my truck 170,000, so I think it's alright.

Ryan

 

I use, and my son continues to use the Valvoline high mileage 10w-30 in his '87 4.9L f150 supercab. I bought it new in '87, he bought it from me a couple of months ago. It has 240k+ miles on it, still running strong. I started using it in that truck when it came out several years ago.
If you the BEST oil, I recommend Amsoil. Use it in my commuter car, '93 sunbird and my wifes Caravan, engines run great, and got 1+ mpg better with it as well. Sure it costs more, but you don't change it as often. Company claims you can go 25k between changes, I change filter every 6k, then oil/filter every 12k. It still works out to be chepaer than doing regular oil every 3k miles. Next oil change, I'm putting it in my new '05 f150 Screw 4x4.

 

My 1990 F-250 4x4 with 351 power, 5 speed tranny, and 3.55 gears now has 319,000 miles on it with the same original exhaust system. The engine was rebuilt at 256,000 miles at which point it bent a pushrod. I use Esso (Exxon) Ultra 5W30 motor oil year round and NAPA Gold oil filters with changes every 6,200 miles.