Sometimes people want to believe in something, nothing wrong with that.
Why does my engine feel so much smoother on mineral than it does on synthetic?
- Thread starter Dunkaroo
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Originally Posted by Kira
Year, make, model, engine...please.
I believe you Dunkaroo, I believe you.
Ditto..
![[Linked Image]](https://www.bobistheoilguy.com/forums/attachments/usergals/2019/09/full-85545-36458-71xb65gflal._sx425_.jpg "[Linked Image]")
Year, make, model, engine...please.
I believe you Dunkaroo, I believe you.
Ditto..
I've used many different brands of oil over the past 30 years, some synthetic and some conventional. I do sometimes notice one oil is quieter than the other and I would have to say the quietest oils have been conventional and the noisiest synthetic. I have no reason to blame one type over the other, just an observation.
Disregarding all the self proclaimed pundits on your vehicle, I've noticed the same using different oils. I'd speculate that the uniform molecules in synthetic might transmit vibration a bit better than the various sized molecules found in conventional oil. I'm sure there's been no testing in that regard, maybe I can get some money from the government to test my theory.
FWIW I've also noticed a difference in smoothness between 20 and 30 grades, in more than one engine. Also between 20, 30 and 40 grades in the (snif) 2013 F150 5.0 I used to have.
FWIW I've also noticed a difference in smoothness between 20 and 30 grades, in more than one engine. Also between 20, 30 and 40 grades in the (snif) 2013 F150 5.0 I used to have.
All kidding aside:
Years ago Costco had a big sale on Formula Shell. Perhaps Shell was changing their packaging....that always results in big sale prices.
I bought 8 12 qt. cases and made it available to my friends at cost whenever they wanted it.
I thought it made my sister's Jeep (4.0l I6) quieter. Friends put it into vehicles and several OPE applications.
They both said their machines liked the oil and cited quietness as their metric.
Placebo effect from a good price? Not my jaded friends.
Years ago Costco had a big sale on Formula Shell. Perhaps Shell was changing their packaging....that always results in big sale prices.
I bought 8 12 qt. cases and made it available to my friends at cost whenever they wanted it.
I thought it made my sister's Jeep (4.0l I6) quieter. Friends put it into vehicles and several OPE applications.
They both said their machines liked the oil and cited quietness as their metric.
Placebo effect from a good price? Not my jaded friends.
Originally Posted by Kira
All kidding aside:
Years ago Costco had a big sale on Formula Shell. Perhaps Shell was changing their packaging....that always results in big sale prices.
I bought 8 12 qt. cases and made it available to my friends at cost whenever they wanted it.
I thought it made my sister's Jeep (4.0l I6) quieter. Friends put it into vehicles and several OPE applications.
They both said their machines liked the oil and cited quietness as their metric.
Placebo effect from a good price? Not my jaded friends.
I used Formula Shell in my old-beat-up 95 Cherokee Sport for years. She liked it
All kidding aside:
Years ago Costco had a big sale on Formula Shell. Perhaps Shell was changing their packaging....that always results in big sale prices.
I bought 8 12 qt. cases and made it available to my friends at cost whenever they wanted it.
I thought it made my sister's Jeep (4.0l I6) quieter. Friends put it into vehicles and several OPE applications.
They both said their machines liked the oil and cited quietness as their metric.
Placebo effect from a good price? Not my jaded friends.
I used Formula Shell in my old-beat-up 95 Cherokee Sport for years. She liked it
Slick 50 did it for me back in the day.
Change it and let the wife drive it, if no comment about smoothness or it sounds/runs differently its really all in your head.
My car goes faster after I get it washed. It must be reduced wind resistance.
4WD
$50 site donor 2024
Originally Posted by Mad_Hatter
Originally Posted by Kira
Year, make, model, engine...please.
I believe you Dunkaroo, I believe you.
Ditto..
Originally Posted by Kira
Year, make, model, engine...please.
I believe you Dunkaroo, I believe you.
Ditto..
After an oil change from dino to a top brand syn, I could hear some grinding noise when idling with the hood up. I wasn't worried about it but after a week or two, the noise was gone and it sounded smoother. Maybe like someone mentioned the new additives in the syn oil needed time to unpack ... or there was a tribofilm war for a while and it finally settled, or syn doesn't block the noise or Bigfoot is messing with your engine when using syn since he likes a more natural oil ...
OP,
Walk down the street and knock on Shannow's door. He may know the answer
OP,
Walk down the street and knock on Shannow's door. He may know the answer
I've tried quite a few brands over the years. I could never really tell that much of a difference. Some engines are prone to certain inherent noises, like valve ticking or timing chain etc. In those engines, and on cold start ups, some oils can quiet down the noises. Whether that translates to better wear protection or not is questionable.
wemay
Site Donor 2023
OP, your opinion is just as valid as anu on here who say one oil is smoother than others they've tried. It's your car and money. Buy what meets spec and makes you feel better.
Originally Posted by jbutch
I think KV100 will impact more the "smoothness" of the engine than mineral vs synthetic.
Moly content could also quiet down an engine.
So much more factors that could effect that than just mineral vs synth.
HTHS is a better spec.
I think KV100 will impact more the "smoothness" of the engine than mineral vs synthetic.
Moly content could also quiet down an engine.
So much more factors that could effect that than just mineral vs synth.
HTHS is a better spec.
No full-syn for me either, you'll only find 15W-40 HDEO and 20W-50 in my garage
Tried full syn on both my engines. neither like them.
Tried full syn on both my engines. neither like them.
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