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Thoughts on Oil Additives

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  • #16
    Originally posted by reichsrundfunk View Post
    OK, I guess its a good time to dredge up the topic of oil additives. I agree that some are nonsense snake oil, but a few others out there seem to have theoretical merit. I just dumped in a bottle of Rislone Compression additive into my 259 V8. It "claims" to improve compression resulting in smoother idle and improved performance (horsepower) along with reduced oil burn due to ring wear and / or valve stem seal wear.

    My engine has only 59,000 miles on it (never rebuilt). I dumped in a half quart of this stuff and within 20 miles I actually DO notice a marginal improvement, mainly in smoother idle. Since replacing the split rubber hose from the engine head to the line running to the oil gauge, oil consumption has been marginal to nil. I'm hoping that this small consumption will be further reduced.

    What is everyone's thoughts on these additives? Yes, some are crappy nothing, but I[m suspecting a few of them may have some merit???????????????

    -George-
    For clean-up of rings and valves use a product called Kreen, available by mail from Kano Labs

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    • #17
      Originally posted by 56GH View Post
      I've been trusting Hemmings Motor News and their motor oil for classic cars. No problems yet in my 1962 GT Hawk or in a previously-owned 1964 Cruiser.

      Bill L.
      Darned right. Hemmings has always been a leader in refined petroleum products and certainly stays on the cutting edge with R&D and research in developing new products at their refinery~!

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      • #18
        Originally posted by reichsrundfunk View Post
        I used to use original Rislone with my 63 GT Hawk and thought it did a pretty good job.
        Rislone additive will replace all the worn metal from cylinder walls and valve guides. Great stuff~!

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        • #19
          Originally posted by jackb View Post
          my question has always been: what objective, measureable evidence does anyone have of improved engine performance or other. Who can remember the NYC taxi study done years ago on different oils and additives in taxis that drove 24/7 for several years to measure (weigh engine components before and after 2+ years of severe service) engine wear ??? You can probably google the study... but the results were that additives did not affect (+ or -) engine wear.... Further.... as long as the oil was 10W-30 with the ASE burst on the bottle... all these oils performed the same. I can't remember Rislone for sure, but STP and others were a part of the study.
          Thumbs up on that one~!

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          • #20
            Originally posted by GrumpyOne View Post
            A 259 engine with 59K on the clock that has received adequate maintenance has barely been broken in and should need zero in the way of oil additives except for STP, (or a suitable substitute).

            Choice of the proper viscosity (to me) would be in order. At your location I would choose 10-40 with some STP simply to provide the needed ZDDP(?) cam/lifter/rocker arm protection...
            My father drove a '56 Power Hawk 170,000 miles, used 10W oil year round, changed the oil every 10,000 miles, filter every 2000 miles and burned a quart of oil every 1500 miles when he traded it. Since his engine was water cooled, he didn't need a heavy oil for summer driving.

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            • #21
              Originally posted by Bud View Post
              My thoughts on this is not to add anything to the engine oil as I'm not as smart as the engineers at the oil companies. They design an additive package to use with their specific oil and adding anything to the oil can upset the balance of additives already in the oil. The best that can happen is nothing but lighten your wallet a bit and the worst could be long term engine damage. Any additive is a band aid to cover up a problem that should be addressed to make a permanent fix. If you feel that you need more ZDDP than what is in the oil you want to use, then I recommend finding an oil that has the additives you want such as Valvoline VR1, Brad Penn and most of the heavy duty oils such as Chevron Delo 400, Shell Rotella T, Mobil Delvac etc. Bud
              You are 'dead on', 100% correct with the exception of 'heavy oils'. Oil is a lubricant, not a cushion. Are you aware that in the NASCAR qualifying runs they us 0W-5 weight oil~!

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              • #22
                Originally posted by tsenecal View Post
                I run Amzoil synthetic called Z-Rod. It has the ZDDP in it , and is engineered for older engines. It also advertises good long term storage capabilities. I think it is worth a look on their website to read more about it.
                The ONLY reason I would use Amzoil Z-Rod would be if I wanted to eliminate any further wear and extend my engine life indefinitely~!

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                • #23
                  Originally posted by colt45sa View Post
                  The ONLY reason I would use Amzoil Z-Rod would be if I wanted to eliminate any further wear and extend my engine life indefinitely~!
                  Do you find any oil leaks that were present get worse with this oil. I use Amsoil in my daily drivers and would definitely consider it for my GT but am always concerned with synthetic causing more leaks!

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                  • #24
                    Then there's also the little pellets you drop into each cylinder to "completely" rebuild the engine! I haven't seen them in many, many years but always wondered if anyone was ever taken in by that.
                    Poet...Mystic...Soldier of Fortune. As always...self-absorbed, adversarial, cocky and in general a malcontent.

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                    • #25
                      Was a Lubricant sales rep for many years. Our lab stayed on top everything that came along and while I won't say what there stand is, I used to tell folk that if there was and or is anything of value in various additives da oil companies would blend it in their brew. Just an opinion from old peddler,
                      Kim

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                      • #26
                        Kamzack knows his S@#t!!! 50,000 miles with filter changes and 2 qts added on tow vehicle with oil sampling at 10,000 mile intervals made me a believer. i think Joe Hall might have had his tongue in his cheek, but to each his own. Really enjoying this Forum, keep up the good work everybody,till my ragtop project arrives i am on honey do duty!!! Doofus

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                        • #27
                          Originally posted by JoeHall View Post
                          For every Stude oil change, I pour in 16 oz. of ZDDP, a quart each of Rislone, Marvel Mystery, STP, and Lucas Oil Stabilizer. I then top it up with regular oil.
                          So, a QUART EACH of Rislone, Marvel Mystery, STP, and Lucas Oil Stabilizer. That's four quarts. Then 16 oz. of ZDDP (that's half a quart). Assuming a 5 Qt filling that only leave half a quart for 'regular oil!' And the end viscosity (not to mention cost)?
                          '64 Lark Type, powered by '85 Corvette L-98 (carburetor), 700R4, - CASO to the Max.

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                          • #28
                            Originally posted by reichsrundfunk View Post
                            I use ZDDP faithfully with every oil change. Jus' sayin'
                            George
                            I use Brad Penn oil in all my old vehicles because it has ZDDP in it.
                            Dean Seavers
                            Sacramento, CA

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                            • #29
                              I have an 05' Hyundai Accent with 341,00 miles on the original 1.6 4 banger. Runs great and burns no oil. Know what additive I've used? None. Just the factory recommended oil viscosity.: 10w40. I've used Walmart's Super Tech at every 3,500 mile oil & filter change. My 84' Harley FLT has 241,000 miles. I use Harley's recommended 20W50 oil and change it and filter every 3,500 miles. It runs great and uses no oil. Additives? We don't need no stinkin' additives. Routine oil changes with filter is all you need. Save your money!

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                              • #30
                                Originally posted by Kato View Post
                                Do you find any oil leaks that were present get worse with this oil. I use Amsoil in my daily drivers and would definitely consider it for my GT but am always concerned with synthetic causing more leaks!
                                There is no reason to think that Amsoil would cause more leaks. The Amsoil detergent additives are no more aggressive than those in a good high quality 'dino' oil. What synthetic oil does for you is provide far better lubricity through controlled uniform molecule structure and less polymer additives to maintain viscosity. If you had or have been using low detergent or non detergent motor oil, then synthetic oil would cause you a problem by cleaning out the sludge that has been sealing your engine.

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