Which oil should I use????
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Senior User
Joined: Oct 2010
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Which oil should I use????
1990 F150 5.0 4x4 195k miles. I would like to go with what the manufacturer recommends. Synthetic or conventional or blend. What viscosity? I bought valvoline synthetic 10W-30 but its so expensive and I want to be using the right oil. My truck has no owners manual.
Posting Guru
Joined: Jul 2009
Posts: 1,069
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From: Toledo, Ohio
I always use Valvoline 10-40 although im sure it asks for 10-30. I do my 3000 mile oil changes and refuse to use anything but normal plain old oil. My truck doesnt burn any (although it does have a rear main leak) but it is cheaper than synthetic.
As sidewinder said Castrol GTX.. Ive used that when it was on sale cause I like their GTX anti sludge stuff. But I only stick between those 2 brands. Normally Valvoline though.
As sidewinder said Castrol GTX.. Ive used that when it was on sale cause I like their GTX anti sludge stuff. But I only stick between those 2 brands. Normally Valvoline though.
Logistics Pro
Joined: Mar 2005
Posts: 4,698
Likes: 47
From: Mexico, Missouri
I agree with both Volvo and Sidewinder. Oil is a personal preference and everyone has thier own opinion and not everyone will agree with what another member uses.
Here are a few links that can provide a clearer idea on what type of oil.
https://www.ford-trucks.com/forums/1...ge-advice.html
The link underneath is lengthy, but was very clear on oil and filters.
https://www.ford-trucks.com/forums/1...il-filter.html
When you change oil, I would use a clean drain pan. Let it sit for several hours. After letting it sit(i do for @ least 5,8 even 24 hours), gently drain into a container you can dispose of used oil properly. Look @ the original drain pain for any sludge, bearing material, or foreign debris. You can really get an idea of how the motor is doing by looking @ the deposits left.
Hope this helps.
Here are a few links that can provide a clearer idea on what type of oil.
https://www.ford-trucks.com/forums/1...ge-advice.html
The link underneath is lengthy, but was very clear on oil and filters.
https://www.ford-trucks.com/forums/1...il-filter.html
When you change oil, I would use a clean drain pan. Let it sit for several hours. After letting it sit(i do for @ least 5,8 even 24 hours), gently drain into a container you can dispose of used oil properly. Look @ the original drain pain for any sludge, bearing material, or foreign debris. You can really get an idea of how the motor is doing by looking @ the deposits left.
Hope this helps.
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froger25
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Jun 2, 2006 07:19 AM
