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Engine Oil - A slippery subject Part 2

3505 messages,  Last post on Mar 18, 2009 at 6:13 PM

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What is this discussion about? Engine, Oil

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#3486 of 3505 Re: Getting ready for the first oil change... [jeffyscott] by wtd44 May 09, 2008 (6:38 pm)
Replying to: jeffyscott (May 09, 2008 9:55 am) I say that based on the idea that modern engines using 5W-20 probably shear and otherwise "use up" the 5W-20 faster than would occur were it 5W-30. It is strictly based on assumptions, let me assure you!
#3487 of 3505 Spent too much time at Bob's by tired_old_dave Jun 15, 2008 (10:15 am)
Second oil change with Valvoline Syn but not completely. Knowingly and without malice but with forethought, substituted one quart of Ashland with one quart of Redline. May do it again the with the remaining quart of Redline at next change.
#3488 of 3505 Old touchy topic - he tried it by tired_old_dave Jun 15, 2008 (10:49 am)
Somewhere a few months back (maybe at Bob's) read discussion of hot versus cold motor for oil change drain. Search at Edmunds hit post #339 by chuttie 01/22/2001. The response post comment took me to post #676 by bluebeast in Synthethic motor oil.   Changed out the first run of Redline on a Saturday morning with a cold motor. Got one-half quart more dirty oil out.   No delay in oil pressure time on start up. Was the quiet start up due to Redline on the metal. Two posts two vehicles. Replies to this message: wtd44 (Jun 25, 2008 8:18 pm)
#3489 of 3505 Re: Old touchy topic by wtd44 Jun 25, 2008 (8:18 pm)
Replying to: tired_old_dave (Jun 15, 2008 10:49 am) I suspect the Redline delivered some syn class to the Ashland brew that improved the overall oil change.
#3490 of 3505 low oil pressure update by jeffyscott Jul 11, 2008 (11:44 am)
Some of you will remember the discussions of a low oil pressure problem that my kid was having with his Jetta. After driving with out any problems recurring for several months using 20W-50, he decided to buy an oil pressure gauge and do some diagnostic work of his own. He changed the oil to 10W-40 without changing the filter just to do some testing.   He eventually came to the conclusion that the problem was probably actually the oil pump and he decided to attempt to replace this himself. He was successful in doing this and it seems that now the pressure is well above spec, with conventional 10W-40 oil in there. He is happy as he seems to have solved the problem for about $100 and 7-8 hours of his time (which is not worth much, as he earns less than $7 per hour and I think he'd rather be under his car than working over a fast food grill ). Replies to this message: texases (Jul 11, 2008 12:52 pm) Mr_Shiftright (Jul 12, 2008 6:00 am) jeffyscott (Jul 12, 2008 7:32 am)
#3491 of 3505 Re: low oil pressure update [jeffyscott] by texases Jul 11, 2008 (12:52 pm)
Replying to: jeffyscott (Jul 11, 2008 11:44 am) Sounds good - always nice to find a real cure, no hand waving required! And good experience for him too.
#3492 of 3505 Re: low oil pressure update [jeffyscott] by Mr_Shiftright HOST Jul 12, 2008 (6:00 am)
Replying to: jeffyscott (Jul 11, 2008 11:44 am) He's smarter than a lot of repair shops, who don't even bother to put an analog gauge in there to find out what's what. They just throw a few parts at the car, then declare "needs a new engine". Replies to this message: jeffyscott (Jul 12, 2008 7:32 am)
#3493 of 3505 Re: low oil pressure update [Mr_Shiftright] by jeffyscott Jul 12, 2008 (7:32 am)
Replying to: Mr_Shiftright (Jul 12, 2008 6:00 am) Yes he has learned a lot, vwvortex has been a great resource for him. The shop that did put a guage on concluded it was engine wear. The VW specialist who had looked at it way back at the beginning of this adventure did say "probably the oil pump" (but my son was reluctant to spend $350 on a "probably"). So I imagine he wins my kids future business for things he does not want to do himself.
#3494 of 3505 Blowing oil filter by mtnmike1 Jul 21, 2008 (5:36 pm)
1997 Grand Am 3100 V6 is blowing the oil filter gasket. Why and how to fix the problem.? Replies to this message: shipo (Jul 21, 2008 5:49 pm) mtnmike1 (Jul 21, 2008 5:53 pm) Mr_Shiftright (Jul 22, 2008 9:24 am) Mr_Shiftright (Jul 21, 2008 5:50 pm)
#3495 of 3505 Re: Blowing oil filter [mtnmike1] by shipo Jul 21, 2008 (5:49 pm)
Replying to: mtnmike1 (Jul 21, 2008 5:36 pm) Blowing the oil filter gasket? Hmmm, are you sure there isn't another gasket still on the filter mount from your previous filter?   Best Regards, Shipo Replies to this message: mtnmike1 (Jul 21, 2008 5:53 pm) Mr_Shiftright (Jul 22, 2008 9:24 am)

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