Everything going back in is genuine GM or AC Delco, except for the Dorman harmonic balancer, felpro head gaskets and front seal, Melling oil pump and Cloy's timing set with gears. Oh yes, a new doorman coolant reservoir bottle and a Gates water pump.
Valvoline Restore & Protect experiment
- Thread starter the blur
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Anyone looking to delete the AFM on a 6.2, below is a photo of the correct L92 OEM camshaft that retains VVT if you're looking to maintain stock performance and avoid additional tuning. Also in the picture is my homemade camshaft installation tool, the little seals for the water crossover from felpro and that threaded fitting available online for multiple sources, to plug that oil pressure relief valve in the oil pan.
And people do this in their driveway, in the rain. I'm impressed!
And people do this in their driveway, in the rain. I'm impressed!
..... And for the obvious question as to how I made the tool, with the help of a 1941 Sheldon 10" metal lathe that was salvaged off a Liberty Ship at the end of world war II in Bremerton Washington, before the ship was dismantled. Every ship had one of these to make parts when needed at sea. That's it for today's history lesson
I don't even have that kinda room in my shop at work. but then again, we would never do this work. it would be engine swapped or scrapped.
there was a guy that did this in a parking garage of his apartment complex in a NY during winter.
I have zero desire to replace my leaky oil pan gasket haha. I figure the valve train will give up before I get annoyed enough to fix the leak.
there was a guy that did this in a parking garage of his apartment complex in a NY during winter.
I have zero desire to replace my leaky oil pan gasket haha. I figure the valve train will give up before I get annoyed enough to fix the leak.
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I installed a Whipple blower on my 02 6.0 in my driveway, and then later swapped the cam without pulling the blower or heads. Every shop I went to said it can’t be done. It wasn’t even that hard, there is a trick.
And there's more to it. I bought it from a guy in Bremerton, we got it from his father that was working on dismantling those Liberty ships. It's a shame, most of them were melted down for scrap. I also have a 9 x 36 South bend that I bought Navy surplus from Hawthorne Nevada. Serial number puts it at 1952. Hawthorne Nevada is the big weapons Depot off highway 95.... It was using the development of various munitions. Nothing better than tools with history. My grandfather owned a machine shop all through the depression and through world war II in Portland Oregon near the waterfront. Navy contracts kept him busy for a couple decades. Most of my Starrett micrometers and such I inherited from him. Still like new. Puts harbor freight to shame
I used those and then second engine I couldn’t find them so I used hardwood dowels.
We just pulled the timing cover. I'd have to say it's pretty conclusive on the Valvoline actually cleaning the inside of the engine. Keep in mind this is only two oil change intervals. You can clearly see where the oil slings off the gears.
Overall I'm liking what I see. Going forward I think I'll just switch my vehicles over to the Valvoline.
Looking at the areas where the chain flings the oil on the engine side of things, such as the back side of the oil pump it's obvious.
Even in an engine still running well as this one was, everything inside should have that gold hue to it.... But clearly, now it's possible to not even have that. That makes for one pretty damn clean engine. And clean is good.
Overall I'm liking what I see. Going forward I think I'll just switch my vehicles over to the Valvoline.
Looking at the areas where the chain flings the oil on the engine side of things, such as the back side of the oil pump it's obvious.
Even in an engine still running well as this one was, everything inside should have that gold hue to it.... But clearly, now it's possible to not even have that. That makes for one pretty damn clean engine. And clean is good.
Opened up the pressure relief valve in the OEM oil pump. No accumulated debris of any kind. I expected to find at least a little bit of crud, but the plunger wasn't sticking at all and appears to be working as expected. This is one area I expected maybe to find some debris from all the cleaning, but nothing to note.
It's starting to look like his lower than normal oil pressure was probably that failed o-ring on the pickup tube. Once we get the cam out, that will probably be the deciding factor. There's also the possibility that pressure relief valve in the oil pan was weak as well. Not going to bother testing it, will be just blocking it off. Judging from where the Valvoline cleaned the gold deposits, it actually looks like that relief valve was sure relieving a lot of oil...
It's starting to look like his lower than normal oil pressure was probably that failed o-ring on the pickup tube. Once we get the cam out, that will probably be the deciding factor. There's also the possibility that pressure relief valve in the oil pan was weak as well. Not going to bother testing it, will be just blocking it off. Judging from where the Valvoline cleaned the gold deposits, it actually looks like that relief valve was sure relieving a lot of oil...
It is a couple dollars more for 5 quart jug, but after this experiment I think it's worth it. I've never seen any sort of additive actually clean that gold layer on the inside of the engine. That gold layer is harmless, but the way I look at it is if it can clean that, it pretty much cleans anything in the engine. Have to admit I'm impressed, and I had my doubts when I embarked on this experiment, LOL.
Tonyrodz
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Is this it?
donjetman
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yes
Tonyrodz
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I'd like to try it out. I've always used conventional oil, and never synthetic. I've read a few guys have had some of their gaskets leak when they've switched from conventional to synthetic. Have any if you ever heard about that or have personal experience?
I personally have never noticed an engine have zero leaks, switch to synthetic and it start leaking. but if an ls oil pan isn't leaking by 130k. it's a miracle. so it just might.
wasn't there's a big thing about Mobil 1 synthetic being the oem fill for gm ls engines? or was that just marketing for the sports cars?
wasn't there's a big thing about Mobil 1 synthetic being the oem fill for gm ls engines? or was that just marketing for the sports cars?
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I don't remember specifics, but I used to hear similar stories quite a lot. It seems like a bunch of them pertained to Harley engines. My old Evo specified conventional oil, so that's what I ran.
joe
One final thought in this teardown following the Valvoline, I did notice the underside of the VLOM play have that golden hue that is normal.... And I could clearly see where oil had been leaking past either the o-rings or other components near the solenoids. I'll try to get a picture up tomorrow. So I guess it's kind of useful as a diagnostic of sorts. In the end, it appears this engine was running under 20 psi at a hot idle due to the o-ring, the oil pressure relief valve in the oil pan bleeding off excess oil, and the VLOM plate.... I have to conclude that all three played a part.
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