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09-02-2020, 07:41 PM | #21 | |
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Re: oil with out zink
The guy who commissioned this study has no axe to grind with anybody. He is a noted early Bird restorer and engine builder.
Quote:
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09-02-2020, 08:34 PM | #22 |
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Re: oil with out zink
Sorry Paul, I still don't believe him. He is just like many I have seen on the web that says these things to calm down all those people like me that is angry with the epa for ruining our oil. He even has a link to that 540 ratblog that deceived me into using modern oil again. Anybody can write or say anything and if you mix it with the right catch phrases it could sound believable especially if one has a pedigree like he does. As I said, I was a teen in the 80s and also I had a truck by 84 and did my first oil change. Back then I used gulfpride 10w-40. Man, that was some good oil. Later on I used pennzoil 10w-40 and valvoline 10w-40 and even castrol 20w-50. Those oils were good back then compaired with the whimpy offerings they sell today at 2 or 3 times the price. I'm not ragging on you for believing that article, but I can't believe it myself. I mean, if zddp was enough in the 80s with that low level of zddp as the article says, then why did they increase it in the SG and SJ rated oils in the 90s--I mean, why did they feel the need to? The SG and SJ rated oils were the standard by which us old timers measure these modern oils by, but I think and from experience know the SF rated oils were better than that article say they were. There are websites all over the net telling this propaganda just so we will accept their "green epa friendly" oils at the severe risk of our old engines. Sorry if I sound angry--I am, but I'm also not ragging or downing anyone here--just disagreeing.
Last edited by greenpondmike; 09-02-2020 at 09:27 PM. |
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09-03-2020, 09:43 AM | #23 | |
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Re: oil with out zink
Quote:
Last edited by 54vicky; 09-03-2020 at 09:49 AM. |
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09-03-2020, 10:49 AM | #24 |
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Re: oil with out zink
There is quite a discussion over on the shelby forum on oils. Long thread but lots of info.
admittedly it is in a modern engine (5.4) https://www.svtperformance.com/threa...l-poll.787413/ |
09-03-2020, 05:01 PM | #25 |
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Re: oil with out zink
I just can't seem to deal with all of this oil controversy. I am still trying to come to grips with all of the engines that are going to fail from using lead free gas. How many years has that been now, 20? Or more?
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09-03-2020, 06:12 PM | #26 |
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Re: oil with out zink
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09-03-2020, 07:58 PM | #27 |
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Re: oil with out zink
Rotella was reformualted too. I stopped using it. I now use Lucas Hotrod Oil. Valvoline racing oil is good too. Flat tappets on the camshaft are the area of concern.
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09-03-2020, 07:58 PM | #28 |
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Re: oil with out zink
In the end, make the best decision you can. Its your car.
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09-03-2020, 08:57 PM | #29 |
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Re: oil with out zink
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09-04-2020, 07:53 AM | #30 |
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Re: oil with out zink
Yup, the 351C in my 36 has 140K that I put on it and it was a junk yard 72 Ranchero engine with unknown miles on it. I gave it a rattle can overhaul, added a 4bbl and have run the crap out of it since. And by the way, the oil that goes in is NAPA 20W-40 with no issues. It gives 16 - 17 MPG, runs smooth but does use about a quart every 1K miles. No smoke, no leaks, just a well worn engine that has never left me sit.
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09-04-2020, 11:54 AM | #31 | |
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Re: oil with out zink
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My cam WAS damaged--scoured, but it was either fix my truck or get a tricycle to ride 20 miles to work. I HAD to make this work and hope between the zddp for the cam and the wix filter for any grit left behind maybe things will be alright. I have a newer 6cyl that is supposed to run and have now been given a V8 that does run. No I didn't pull the oil pan because I had a limited time period to do this and this simple job turned into a all nighter and a good part of the next day. I drove it and it started ticking again and missing on a cylinder, so I added the zddp and tore into it again about a week later and now it runs as good as it ever did or better--thank GOD. I did pour oil through it to flush it out and carefully clean the top half of the head, the area around the lifters and the lifter bores and pre-assemble lube the stew out of the lifters-especially the 2 new ones and where the damaged one was in which I put one of the originals. Will it hold up to what I did? So far, so good and maybe the filter won't stop up with particles. The camshaft cut a curvered area into the lifter about 1/8 of an inch. Cam looked scoured, but felt smooth. Broke it in alternating between 2500-3500 rpm (a guess) for a few minutes. Tapped bad at first, but smoothed out real good. That thar is the rest of the story and I left it out to keep my long posts from being longer. I know I should have tore it all the way down, cleaned it and replaced some more parts, but making only $8.25 an hour, I did what I could with what money and time I had. All pressure lubrication goes through the oil filter and the cam lobes are splashed lubed. Most of the grit I hope wound up in the grooves around the head bolts and wasn't there as bad when I changed the valve cover gasket a few months before. That pennzoil was slinging better than I have ever seem ANY vehicle sling oil when running it with the valve cover off. Yes, it was lubricating like crazy and this STILL happened. Yes, my rpms were low and it was slinging some oil slap dab over the fender and even coated the inside fender well. Pennzoil is a good oil, but with stuff missing in it, it is no better than any other brand. It still smells good though. Yes, I'm weird--I like to sniff my oil before putting it in the engine. Ol oil sniffer says--peace y'all |
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04-04-2021, 07:30 PM | #32 |
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Re: oil with out zink
I use Lucas Hotrod too.
They did reduce the concentrations some years back. I'm afraid of wiping a cam lobe on flat tappet engines. Bunch of guys in my Model-A club (I have one of those too) still swear by Shell Rotella-T. They do not realize that Rotella-T hasd been reformualted. They still buy oil based on brand. They do not understand you first buy oil based on the formual (chemistry) you want, then viscosity, then a brand you trust for consistensy and quality control. I am not wasting any more of my breath on people in my car clubs that are in their 80s and 90s. I have used that Lucas addative, and I think that is some good stuff too! |
04-05-2021, 06:50 AM | #33 |
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Re: oil with out zink
Ah, the ever familiar engine oil debate/controversy.
The only way to determine if a lubricant is working correctly with your engine is with frequent oil analysis and tear-downs.
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***** - DISCLAIMER -
The above posted information is in my opinion only (IMO) and may contain copy and paste material(s). In addition, any above tech information is supplied in good faith. No responsibility implied or otherwise can be accepted for the way others use or interpret provided data. Your experience(s), opinion(s) and mileage may vary. DIAGNOSED CDO - (OCD In Correct Alphabetical Order) |
04-05-2021, 08:07 AM | #34 |
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Re: oil with out zink
Yup, that and running the crap out of it. If it lays down there must have been a problem. That ol pre lead free gas pre ZDDP free oil engine (351C) still ticking them off!
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04-05-2021, 04:48 PM | #35 |
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Re: oil with out zink
I'll tell you what, I bought a used 73 RANCHERO 351CJ/FMX that would run with the best of them.
If I had another street runner, it would definitely be a 351C.
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***** - DISCLAIMER -
The above posted information is in my opinion only (IMO) and may contain copy and paste material(s). In addition, any above tech information is supplied in good faith. No responsibility implied or otherwise can be accepted for the way others use or interpret provided data. Your experience(s), opinion(s) and mileage may vary. DIAGNOSED CDO - (OCD In Correct Alphabetical Order) |
04-05-2021, 06:54 PM | #36 |
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Re: oil with out zink
I use regular oil and add a bottle of ZDDP [zinc ] to it. Will not start my engine without it.
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04-06-2021, 01:25 AM | #37 |
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Re: oil with out zink
See VR-1 SPEC SHEET Below -
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***** - DISCLAIMER -
The above posted information is in my opinion only (IMO) and may contain copy and paste material(s). In addition, any above tech information is supplied in good faith. No responsibility implied or otherwise can be accepted for the way others use or interpret provided data. Your experience(s), opinion(s) and mileage may vary. DIAGNOSED CDO - (OCD In Correct Alphabetical Order) Last edited by KULTULZ; 04-06-2021 at 06:30 AM. |
04-06-2021, 09:55 AM | #38 |
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Re: oil with out zink
I don't know why folks bring this old stuff back up. There must be more than a few other threads about this and many more on other forums. Folks can be told by an expert (of which I am not) that the ZDDP was added more for high performance engines with high valve spring pressures and lumpy cam shafts and even then, it was more for break in than for the life of the engine. Folks have a cam problem and the oil seems to be a convenient thing to blame. I've seen engines from the factory with miss drilled lifter bores and worn out cam lobes mostly due to quality control problems at manufacture. Y-blocks had some problems with top end oiling but not all of them. Most of these older engines had pretty tame cams and nothing special about the valve train. Any oil is better than none.
Use what ever you want but just make sure it has oil in it. Remember that racing engines generally fail sooner due to the extreme power usage and not so much about the oil that is utilized. Last edited by rotorwrench; 04-06-2021 at 07:04 PM. |
04-06-2021, 02:58 PM | #39 |
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Re: oil with out zink
This guy does all kinds of oil tests on all kinds of brands and out of his own pocket check him out. https://www.youtube.com/watch?v=hTyrc1zjKEA
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04-06-2021, 03:00 PM | #40 |
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Re: oil with out zink
And since the Rotella subject came up again maybe this might clear up a few things. https://www.youtube.com/watch?v=0Ml6vDdt2ig
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