MontanaHandyman
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Of course, now that you said this.....(lol!)1700 miles and still quiet
Synthetic Oil
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lol, yup. Especially he didnt knock wood....
We had tj not have good success with this oil and weight, so long term will be telling. Since he went from redline to amsoil, we don't know if redline still have plating effect left behind. If he gets to a long interval and it is still quiet, it will be good info that this oil is another tool.
I believe TJ went from this oil which was ticking to redline which quieted his tuck. If tj is aound he can tell us the weights, I forget what weights ticked and which wee quiet on his hemi, now good info to add to hemi39.
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r 4 and 5's now boke, damn guys I need a new pc.
Hemi395
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Keep in mind this SS 0w40 is the SP formulation, the last time I tried SS it was the SN+. Not sure if it makes a difference or not but by 500 miles on the SN+ 5w30 my truck was ticking pretty bad. 1700 miles on this SP 0w40 and it's still whisper quiet.
Don't know what I'm going to do this winter yet, depending on the miles I have on this oil in October I might try SS 0w30 for the winter. Worst case I still have a ton of RL if that doesn't work.
Don't know what I'm going to do this winter yet, depending on the miles I have on this oil in October I might try SS 0w30 for the winter. Worst case I still have a ton of RL if that doesn't work.
@Hemi395 Red Line cleans a bit more aggressively than other oils. That's all. If you ever get the tick back, throw in a quart and a half of HPL Engine Cleaner with your next oil change. It's a SAE30 fully formulated Ester Oil that rinses your engine out. Very good stuff.
You get the tick from accumulated dirt or out of tolerance lifter (it's that Chinesium ticking in them).
Again, I don't expect you'll get it back. Just hang around this viscosity and use good oil. Mobil 1 FS 40 contains a good amount of Esterex cleaner. Esterex is ExxonMobil's commercial name for their Ester products that companies like HPL, AMSOIL, and others source from them.
You get the tick from accumulated dirt or out of tolerance lifter (it's that Chinesium ticking in them).
Again, I don't expect you'll get it back. Just hang around this viscosity and use good oil. Mobil 1 FS 40 contains a good amount of Esterex cleaner. Esterex is ExxonMobil's commercial name for their Ester products that companies like HPL, AMSOIL, and others source from them.
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This actual user experience shows just how marginal the Hemi lubrication system is.
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Yeah - get rid of that Compaq.
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A good group III 0W-30 or 5W-30 with Lubegard additive, maybe?
Hemi395
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Thought about that too....
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best net book I had, a decade plus fo 136 bucks, samsung net book, sadly they don't make them like this now...
Hemi395
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Usb keyboard
No, it doesn't.
However, it would help others if you could support your statements with facts.
Show us an engine teardown where a HEMI engine's lack of lubrication would immediately be apparent.
Insufficient lubrication doesn't take years and thousands of miles to manifest itself. That's a known fact.
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The 6.4's use piston squirters to combat piston crown heat,i've always wondered if the same squirter principle was applied to throw oil on the cam lobes would that make a differance in the life expectancy of the cam and rollers of the lifters. High idle time does seem to be a contributing factor to the cam/lifter issues,and using a squirter to throw more oil onto the lobes at low rpm sure couldn't hurt i'd think.
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MontanaHandyman
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Probly the ENIAC....
I have been back in a Cummins almost three years, so testing my memory LOL
I went from factory fill to PUP 0W40, then when Amsoil AZF was announced I went to that. It was a brand new product at that point, so I am sure it had to have been tweaked by now, but my 6.4 sounded like a thrashing machine on it from general noisiness, to startup clatter, to the worst tick/tap/knock I experienced. Went back to PUP, then went to Redline 0W40. Quieted right down, but started to get noisy after a while, maybe 4-5K?, so I went to 5W40 Redline, and that worked great for a long OCI. Looking back I wish I had tried 5W30 Redline, but once I landed on something that worked I was not into experimenting.
I am glad Amsoil seems to have improved AZF. I definitely like their products, and sold a bunch at the dealership, always with good results.
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lol, good ideaUsb keyboard
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Sure, but guess what, it costs extra (like MDS didn't ha ha). I suppose the 1st two generation Hemis had flat tappets? That certainly would explain why cams didn't wipe with the high ZDDP additized motor oils of their era.
But you sure don't want to starve a roller lifter's roller of oil - either the outer surface, or the inner bearing (not sure if inner roller bearings are different types). Rolling elements are sensitive to lubricant thickness compared to sliding surfaces.
Somebody was trying to explain the shallow oil drain angle of Hemi pushrods causes slower oil flow. All other variables being equal, that makes sense for a gravity drain system. So, perhaps the siamese valve system does require forced flow nozzles? Or solid lifters of yore (adjust valve lash, anyone? is there anyone left that knows how?)? Or better yet, overhead cams!!! Too late now, of course.
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When they raised the cam tunnel to accomodate the VVt system,it seems to have affected the cam/lifters to,that little differance in height,means there's even less crank splash making it onto the lobes at idle. There's several contributing factors from poor angles on oil drainback,camshaft tunnels higher in the block,and poor quality construction materials etc.that all contribute to the lifter issues associated with the gen 3 hemi. Originally the engineers spec'd a billet cam for the engine,but the bean counters squashed that idea,so it makes you wonder if the engineers might have known something about the cam issue
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@Wild one - why did they have to raise the camshaft centerline to add a cam phaser to the end of the shaft? A Hemi camshaft is already raised to reach to the outer valve pushrod.
I've not worked on a VVT, so I don't know all the design parameters.
I've not worked on a VVT, so I don't know all the design parameters.
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Apparently for the extra oil passage required for the cam phaser is my understanding.
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