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Depends on how long until you change it. If you are changing it very soon then the least expensive for topoff would be good. If change time was going to be winter then the synthetic Napa.

There are two 7mm bolts holding it to the upper intake manifold. It is pictured in this thread courtesy of The Eric.

I wouldn't feel comfortable with a total fill of 5w20. I could see using 1 qt to 4 qts of 5w30.

Those guys look awesome!!!

Originally Posted By: Bud_One @ Beast - Was it difficult to open the case ? I just opened up a PF46E and it was a tough booger. It put up a good fight. Yes, very. I had to clamp it tightly (which dented the can a little) causing me to use pliers to pull the filter out. This started to break...

This came of my non-sc Grand Prix. 7 months, 2600 miles in service. Oil was DEXos blend Pennzoil. Filter was perfect other than the plastic cage was a little brittle, but no holes in the media.

Doesn't shampoo pass this test too or something like that? The product probably has EP additives in it. I'm sure any gear oil would pass this dumb test.

Originally Posted By: jk_636 There are two types of Gasoline....Shell gas and cheap gas....my vehicle only gets the former.... I like that. +1

For 5k consider a Dexos blend which is only a dollar and some change more than conventional (like Pennzoil's or Q.S..) Obviously conventionally is totally fine for 5k miles as well.

Great find @ Z34.

I run 5w30 in all my 3800s. They aren't choosy.

Cool, but kinda dumb they show a E-core Valvoline that is exactly the same as the E-core Delco construction coming apart.

Originally Posted By: Cani Thanks for your suggestion. If the elbows are bad, this pellets are able to contain the leak? Or this is mean to be used if the leak is inside the engine? Thanks You're welcome. No, not for the elbows. Something real small such as timing cover or lower intake the...

I've replaced a few timing cover gaskets on the Series 3. Overall the lower intake gaskets are much better as far as failure goes. A very good (and cheap) coolant lose fix are the large coolant pellets made by Bars or GM also sells them. The amount of pellets added depends on the cooling...

99 Grand Prix 3800: Out: Pennzoil Dexos blend 5w30, 2600 miles, PF52 E core filter, 7 months. In: QS 5w30 Dexos blend 5w30, PF47 non-E core filter.

Looking good!

Originally Posted By: dlundblad Originally Posted By: beast3300 Is the shaking during braking or when speed is maintained? Both actually. Throw the rotors away. Install new and re-drive.

Is the shaking during braking or when speed is maintained?

Originally Posted By: 13Tacoma Ya definitely. Thanks for catching that. It's my first time.... Also is silicon usually a leak in the intake system? Great report! Usually yes @ intake system/dirt.

I haven't driven one of those but the minivans with the Pentastar are fun.