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Chevrolet Cobalt Question about oil?

23 messages,  Last post on Dec 09, 2008 at 3:43 PM

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What is this discussion about? Chevrolet Cobalt, Oil, Coupe, Sedan

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#1 of 23 Question about oil? by harrisblack Jun 26, 2008 (5:06 pm)
Which one to use?   Pennzoil Platinum full synthetic   Mobil 1 full synthetic   Castrol full synthetic   Royal Purple full synthetic Replies to this message: cmhj2000 (Jun 27, 2008 3:58 am) poncho167 (Jun 28, 2008 4:22 am) rweldon (Oct 07, 2008 7:50 am) tsjay (Dec 04, 2008 12:49 pm)
#2 of 23 Re: Question about oil? [harrisblack] by cmhj2000 Jun 27, 2008 (3:58 am)
Replying to: harrisblack (Jun 26, 2008 5:06 pm) Throw a dart, they'll all work well. I however use Amsoil 5W-30 XL.
#3 of 23 Re: Question about oil? [harrisblack] by poncho167 Jun 28, 2008 (4:22 am)
Replying to: harrisblack (Jun 26, 2008 5:06 pm) I don't use synthetic accept in my motorcycle. I am kind of partial to Pennzoil products but all of those are good. There should be an oil forum on Edmunds somewhere where you can get other opinions.
#4 of 23 by harrisblack Jul 03, 2008 (9:56 am)
We went with Mobil 1 synthetic and a Fram oil filter. Replies to this message: poncho167 (Jul 03, 2008 10:13 am) harrisblack (Jul 05, 2008 12:58 pm) poncho167 (Jul 06, 2008 5:55 am) tcalof (Aug 02, 2008 6:20 am) poncho167 (Aug 04, 2008 5:22 am) tsjay (Sep 05, 2008 6:33 pm) harrisblack (Sep 08, 2008 12:30 pm) and 3 more...
#5 of 23 Re: [harrisblack] by poncho167 Jul 03, 2008 (10:13 am)
Replying to: harrisblack (Jul 03, 2008 9:56 am) Definately don't continue with the Fram because they are known to be bad. AC/Delco filters are the best in the business. The interior of the frame is the problem. The use a paper filter that will deteriote and the interior valve will let particals back into the engine. The AC/Delco has a screen and a OEM valve that does not allow junk to flow back. I have read the tests done on filters and Fram is not good, believe me. Replies to this message: harrisblack (Jul 05, 2008 12:58 pm) poncho167 (Jul 06, 2008 5:55 am) tcalof (Aug 02, 2008 6:20 am) poncho167 (Aug 04, 2008 5:22 am) tsjay (Sep 05, 2008 6:33 pm) harrisblack (Sep 08, 2008 12:30 pm) tsjay (Sep 08, 2008 3:03 pm) and 2 more...
#6 of 23 Oil topic by KarenS HOST Jul 03, 2008 (3:33 pm)
On the Maintenance & Repair forum.   Engine Oil-A Slippery Subject
#7 of 23 Re: [poncho167] by harrisblack Jul 05, 2008 (12:58 pm)
Replying to: poncho167 (Jul 03, 2008 10:13 am) We went to Chevy and bought a new oil filter for it. We took out the Fram and put in a new A/C Delco filter. No oil loss. Tomorrow we will take apart the Fram filter to see whats going on.   What about the air cleaner and the fuel filter? What brands? Replies to this message: poncho167 (Jul 06, 2008 5:55 am)
#8 of 23 Re: [harrisblack] by poncho167 Jul 06, 2008 (5:55 am)
Replying to: harrisblack (Jul 05, 2008 12:58 pm) I am not sure about the fuel filter but I wouldn't doubt Fram is subpar in this as well.   For air filter the AC/Delco has been known to be among the best in protecting your engine. Test after test it has been proven to trap more dirt than any other. Wix brand are supposed to also be good with oil and air.   I thought I saved it but I can't find a recent lab test showing the AC/Delco air filter superior to all others. Not only is it very good at flowing air but it traps more partical than any other.
#9 of 23 Oil Changes by gerald41 Jul 06, 2008 (7:10 am)
When it comes to oil filters or oil all major brands will be fine unless you push the milage between oil changes. I myself change the oil in my car at around 2,500 give or take a 100 miles. I use whatever is on sale, Fram, Pennzoil etc. It only makes a difference if you go above the 3,000 miles intervals. When I had valve cover gaskets replaced on my 94 cavalier the engine looked as good as new with no build-up of junk in it, and probably have used fram filters more than any other brand. The same thing with oil I always use Castrol GTX 5-30. If you change your oil at 3,000 miles or less your wasting money on synthetic oil. Synthetic oil is for people who go 4-5 thousand bettween oil changes. If Fram was so bad they would have been either re-worked or pulled from the market by now. Replies to this message: poncho167 (Jul 09, 2008 12:28 pm)
#10 of 23 Re: Oil Changes [gerald41] by poncho167 Jul 09, 2008 (12:28 pm)
Replying to: gerald41 (Jul 06, 2008 7:10 am) They are bad compared to the better ones but not bad enough to pull from the market.

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