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  1. T

    Oil additive

    All oils with high zinc levels don't offer good protection. Some do and some don't. All synthetic oils don't offer good protection. Some do and some don't. All thick/high viscosity oils don't offer good protection. Almost none do and the great majority of them don't and they flow poorly and hold...
  2. T

    Oil additive

    Never add any oil additive to your oil. It's simple chemistry meaning that you will turn the oil into something that it wasn't before and you have no way of knowing what it turns into. I know of four instances where someone added zddp to four different oils and it destroyed each of the oils film...
  3. T

    Is it time to change oil viscosity?

    I went from 5w-30 to 15w-50 years ago and it caused a lifter tick so I put 5w-30 back in and the tick went away. VR1 10w-30 is an oil with good film strength, but Quaker State 5w-30 full synthetic oil has much higher film strength and it costs far less if you buy it at Walmart.
  4. T

    Is it time to change oil viscosity?

    It's hard to change period. In any aspect of life, I resist change with great tenacity, but I've also discovered may commonly believed truths that are wrong so I have a propensity to gravitate toward the people who upset the apple cart. No one likes to find out that they believe something that...
  5. T

    Is it time to change oil viscosity?

    There is a guy here in Michigan who I rebuilt a trans for and he runs a Bullet cam with232 degrees of duration. You never here of that in the turbo Buick community. People talk about turbo cams and there is no such thing. If you force air into any engine , no matter what cam, it will do big things.
  6. T

    Is it time to change oil viscosity?

    I'm not talking about a roller lifter coming apart or a part inside of it becoming magnetized. I'm specifically talking about flat tappet cams and lifters and them chewing each other up. It looks like you're saying that possible cam and lifter failure is one of the reasons on your list of...
  7. T

    Is it time to change oil viscosity?

    I recently took the opportunity to reread the beginning of his blog all the way up to the number one oil on his list and because it's so long there are certainly things that I forgot and it was good that I reread it. One thing that I forgot about was a couple of more attributes that thick oils...
  8. T

    Is it time to change oil viscosity?

    Tribology, by definition, is the science and engineering of interacting surfaces in relative motion, encompassing friction, wear, and the lubrication. Notice the word engineering. By definition, 540 rat is a tribologist. A mechanical engineer is the exact person needed to test an oils film...
  9. T

    Is it time to change oil viscosity?

    Yes, he's a very smart guy and he's one of the first people in the performance engine world to say zinc doesn't matter and it's not what you think it is. But you can't go to him to find out what your oil's film strength is. His experience much like mine is that he ran a lot of engines with a lot...
  10. T

    Is it time to change oil viscosity?

    Is the reason that you want to put a hydraulic roller in it because you don't want to have a cam and lifter failure?
  11. T

    Is it time to change oil viscosity?

    It's a very expensive way to discover if your oil is protective or not and that's why I like 540 rats list. Now you can just go pick an oil with super high film strength instead of guessing and you won't have a problem. I put Quaker State full synthetic 5W30 oil in my regal and my two daily...
  12. T

    Is it time to change oil viscosity?

    Yes, it's the only place I know of where you can find the single most important thing about your oil and that's film strength. He also finds out what temperature your oil can reach before it starts to experience the onset of thermal breakdown.
  13. T

    Is it time to change oil viscosity?

    If you're saying that you have read articles that discredit him, the only way that they could discredit him is if they proved his testing methods were wrong and there's no one who has done that because they don't even know what his testing methods are. The only way you could prove his testing...
  14. T

    Is it time to change oil viscosity?

    Well that's interesting, I can't really remember if I used an actual oil referred to as a break in oil because it's been so long since I had a flat tap at cam but I definitely did the 2000 RPM thing for 20 minutes. Do you run a solid roller in your regal?
  15. T

    Is it time to change oil viscosity?

    Break in
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