oil advice

[blazerboy2005]

I have a 89 s-10 4x4 blazer with over 200,000mi I have recintly done a oil flush and used 10w30 and a napa filter I think I want to flush it one more time and switch to syenthetic 5w30 but I dont know what filter and what oil to use. The guy at napa told me if I switch to syenthetic it will smoke alot more if it burns any oil is this true oh yeah it got a 4.3 tbi and any help would be great

[BlazerLT]

Does your engine leak or burn oil now?

[blazerboy2005]

yeah i got a littel white smoke but i dont mind smoke and i dont have emishions

[blazerboy2005]

no leaks

[BlazerLT]

You are saying you get a little white water vapour out of your tailpipe?

That is normal especialy in the colder times of the year.

Do you leak oil at all or ever have any blue smoke coming out of your tailpipe?

[blazerboy2005]

yup it drips a littel water to

[blazerboy2005]

no blue smoke or leaks

[BlazerLT]

You should be good to go then, but I cannot fully guarantee that no leaks will come about after. More than likely nothing will occur and synthetic nowadays does NOT cause leaks. It will actually clean and re-swell seals and make them seal even better.

Now commence an oil flush routine and use a quality oil filter (NOT FRAM!), and I highly recommend Mobil 1 5w30 for your application.

[blazerboy2005]

will a napa filter work good the the truck had a fram on it when i got it

[BlazerLT]

Yes, best to go with Napa Gold. They are made by WIX and are a very good oil filter.

[blazerboy2005]

do you have an idea how much a case of mobil 1 5w30 cost and i know fram is not a good filter but why

[BlazerLT]

Just go to walmart and grab a jug for the oil change, you don't need to buy a case.

Fram is piss poor because their internal construction and filter media is expectionally poor.

[blazerboy2005]

thanx ill do that

[blazes9395]

I say go with the Mobil 10W30. It will keep better oil pressure when the engine warms up and will help reduce the chances of an oil leak compared to the 5W30. Mobil's 10W30 is designed for higher milage engines and where 10-30 is required(read its description). I am a strong believer of synthetics, as long as the engine is sound(no burning oil, no leaks etc) your good to go.

[BlazerLT]

Originally Posted by blazes9395

I say go with the Mobil 10W30. It will keep better oil pressure when the engine warms up and will help reduce the chances of an oil leak compared to the 5W30. Mobil's 10W30 is designed for higher milage engines and where 10-30 is required(read its description). I am a strong believer of synthetics, as long as the engine is sound(no burning oil, no leaks etc) your good to go.

In Michigan, he will want 5w30 for better oil flow when the temperature gets really low.

You have to understand that oil pressure is the resistance to flow and that is not something you want to do to an older engine, he requires proper flow to get to the top end for vital protection.