Very Interesting Study on Gear Oils.
Thread Starter
New Member
iTrader: (21)
Joined: Sep 2006
Posts: 8,159
Likes: 107
From: London, Ontario, Canada
Very Interesting Study on Gear Oils.
Stumbled across this in my readings.
Very informative.
Coles notes. AMSOIL destroys all comers in this study.
http://www.synthetic-oil-tech.com/Ge...te%20Paper.pdf
But... the study WAS done by AMSoil... so figure that into equation.
Very informative.
Coles notes. AMSOIL destroys all comers in this study.
http://www.synthetic-oil-tech.com/Ge...te%20Paper.pdf
But... the study WAS done by AMSoil... so figure that into equation.
Last edited by 2TH PWR; Dec 28, 2011 at 07:24 PM.
Thread Starter
New Member
iTrader: (21)
Joined: Sep 2006
Posts: 8,159
Likes: 107
From: London, Ontario, Canada
And how many times have you read it yourself?
And Edit...
If you are aware of something this comprehensive in the last 4 years please by all means post it up.
And if it's a repost, please post up the previous thread becasue I searched.
And Edit...
If you are aware of something this comprehensive in the last 4 years please by all means post it up.
And if it's a repost, please post up the previous thread becasue I searched.
Last edited by 2TH PWR; Dec 28, 2011 at 08:54 PM.
You also have to figure if the study was published 4 years ago, the work was probably done 6 years ago. Naturally, you have to be skeptical when any test is done by the subject, not by an independent lab, especially if Amsoil is involved.
I still wonder why if that stuff is so good, that it's not used by an OEM? At least the high end brands use Mobil 1.
I still wonder why if that stuff is so good, that it's not used by an OEM? At least the high end brands use Mobil 1.
@ Dave
mobile 1 is used by high end people because they are the cheapest synthetic, not because its a good oil. i dont know a single person who works in the automotive field who will let mobile 1 touch there lawn mower let alone there car its unamious(at least the roughly 300ish people i know in the automotive field, be it mechanics, parts salesmen, machinests, racers, heck
even the salesmen wont use it i wont even start to count on the people from the ford plant i know) that the oil is crap.
two reasons i say its because its the cheapest oil and its crap.
number one and most important is i worked at a chevy dealership, sold hundreds of chevy and gmcs trucks a year, never had any in for engine failures over a year and a half. i left there for more pay at the cadillac dealership, sold a handful of escalades mayby 1 for every 20 the chevy dealership sold(remember the engines are the EXACT same engine only difference is the oil, heck the only difference between a suburban or yukon and a escallade is the fenders, hood, grill, front bumper, and emblems.) yet in the year i worked in the cadillac dealership we had 20-25 failed lq engines, all spun bearings. not to mention all the other cadillac engines(engines that also appear in other cars outside the northstar) that had spun bearings and only difference was the oil.
number two it simply was cheaper, i could buy a quart of mobile 1 5w30 synthetic at dealer cost for $1 a quart, yes $1. the kendall 5w30 conventional we used cost me 1.30 a quart yet thats what everyone used(kendall was what both places and every gm dealership i know of uses for conventional)
yah the manufacturer uses it but they go with who gives the best price. its kind of like going out and doing a government type bid for a heart surgeon, you dont want the guy who barely passed but is the cheapest doing your heart surgery do you? sorry it was off topic but it amuses me when people talk about mobile 1 like its good when i have seen SO many failures due to it.
mobile 1 is used by high end people because they are the cheapest synthetic, not because its a good oil. i dont know a single person who works in the automotive field who will let mobile 1 touch there lawn mower let alone there car its unamious(at least the roughly 300ish people i know in the automotive field, be it mechanics, parts salesmen, machinests, racers, heck
even the salesmen wont use it i wont even start to count on the people from the ford plant i know) that the oil is crap.
two reasons i say its because its the cheapest oil and its crap.
number one and most important is i worked at a chevy dealership, sold hundreds of chevy and gmcs trucks a year, never had any in for engine failures over a year and a half. i left there for more pay at the cadillac dealership, sold a handful of escalades mayby 1 for every 20 the chevy dealership sold(remember the engines are the EXACT same engine only difference is the oil, heck the only difference between a suburban or yukon and a escallade is the fenders, hood, grill, front bumper, and emblems.) yet in the year i worked in the cadillac dealership we had 20-25 failed lq engines, all spun bearings. not to mention all the other cadillac engines(engines that also appear in other cars outside the northstar) that had spun bearings and only difference was the oil.
number two it simply was cheaper, i could buy a quart of mobile 1 5w30 synthetic at dealer cost for $1 a quart, yes $1. the kendall 5w30 conventional we used cost me 1.30 a quart yet thats what everyone used(kendall was what both places and every gm dealership i know of uses for conventional)
yah the manufacturer uses it but they go with who gives the best price. its kind of like going out and doing a government type bid for a heart surgeon, you dont want the guy who barely passed but is the cheapest doing your heart surgery do you? sorry it was off topic but it amuses me when people talk about mobile 1 like its good when i have seen SO many failures due to it.
Last edited by jerryd87; Dec 29, 2011 at 07:51 AM.
Oh, I agree with you that it's pointless to be using M1 or another other high priced synthetic. Every "real" mechanic I've ever talked to has pretty much said that the best thing to use is dino-oil and to change it regularly.
Trending Topics
@ Dave
mobile 1 is used by high end people because they are the cheapest synthetic, not because its a good oil. i dont know a single person who works in the automotive field who will let mobile 1 touch there lawn mower let alone there car its unamious(at least the roughly 300ish people i know in the automotive field, be it mechanics, parts salesmen, machinests, racers, heck
even the salesmen wont use it i wont even start to count on the people from the ford plant i know) that the oil is crap.
two reasons i say its because its the cheapest oil and its crap.
number one and most important is i worked at a chevy dealership, sold hundreds of chevy and gmcs trucks a year, never had any in for engine failures over a year and a half. i left there for more pay at the cadillac dealership, sold a handful of escalades mayby 1 for every 20 the chevy dealership sold(remember the engines are the EXACT same engine only difference is the oil, heck the only difference between a suburban or yukon and a escallade is the fenders, hood, grill, front bumper, and emblems.) yet in the year i worked in the cadillac dealership we had 20-25 failed lq engines, all spun bearings. not to mention all the other cadillac engines(engines that also appear in other cars outside the northstar) that had spun bearings and only difference was the oil.
number two it simply was cheaper, i could buy a quart of mobile 1 5w30 synthetic at dealer cost for $1 a quart, yes $1. the kendall 5w30 conventional we used cost me 1.30 a quart yet thats what everyone used(kendall was what both places and every gm dealership i know of uses for conventional)
yah the manufacturer uses it but they go with who gives the best price. its kind of like going out and doing a government type bid for a heart surgeon, you dont want the guy who barely passed but is the cheapest doing your heart surgery do you? sorry it was off topic but it amuses me when people talk about mobile 1 like its good when i have seen SO many failures due to it.
mobile 1 is used by high end people because they are the cheapest synthetic, not because its a good oil. i dont know a single person who works in the automotive field who will let mobile 1 touch there lawn mower let alone there car its unamious(at least the roughly 300ish people i know in the automotive field, be it mechanics, parts salesmen, machinests, racers, heck
even the salesmen wont use it i wont even start to count on the people from the ford plant i know) that the oil is crap.
two reasons i say its because its the cheapest oil and its crap.
number one and most important is i worked at a chevy dealership, sold hundreds of chevy and gmcs trucks a year, never had any in for engine failures over a year and a half. i left there for more pay at the cadillac dealership, sold a handful of escalades mayby 1 for every 20 the chevy dealership sold(remember the engines are the EXACT same engine only difference is the oil, heck the only difference between a suburban or yukon and a escallade is the fenders, hood, grill, front bumper, and emblems.) yet in the year i worked in the cadillac dealership we had 20-25 failed lq engines, all spun bearings. not to mention all the other cadillac engines(engines that also appear in other cars outside the northstar) that had spun bearings and only difference was the oil.
number two it simply was cheaper, i could buy a quart of mobile 1 5w30 synthetic at dealer cost for $1 a quart, yes $1. the kendall 5w30 conventional we used cost me 1.30 a quart yet thats what everyone used(kendall was what both places and every gm dealership i know of uses for conventional)
yah the manufacturer uses it but they go with who gives the best price. its kind of like going out and doing a government type bid for a heart surgeon, you dont want the guy who barely passed but is the cheapest doing your heart surgery do you? sorry it was off topic but it amuses me when people talk about mobile 1 like its good when i have seen SO many failures due to it.
Granted, certain engines respond differently to certain oils but I feel that Mobil1 is great. There was an oil analysis test done by poster Resolute and it turned out for the VQ35DE, Mobil 1 0w-40 showed the least amount of trace metals.
Mobil 1 can't be crap if you open the hood of modern Mercedez Benz's and it recommends the use of Mobil 1 from the factory.
As for the gear oil, I was super late in changing the gear and diff fluid in my Z. It was about 120,000 miles that I did it and the transmission was still going strong. They offered synthetic and I asked what was in there from the factory where they said it was 'regular'. Considering how well the tranny has held up with regular over the years, I opted not to get any different and went with the standard gear oil.
Last edited by Blu_Blur; Dec 29, 2011 at 09:38 AM.
I tried different synthetic motor oils for my 06 Z ad Mobil1 is the one that my Z burned the least. Different engines, different results. You cant compare chevy engines to nissan engines, apples to oranges. My friends mustang does best on royal purple yet i wont put a drop of it in my Z ever again.
I tried different synthetic motor oils for my 06 Z ad Mobil1 is the one that my Z burned the least. Different engines, different results. You cant compare chevy engines to nissan engines, apples to oranges. My friends mustang does best on royal purple yet i wont put a drop of it in my Z ever again.
like i said i dont trust it personally and i know many many many people who dont as well. the major differences in spun bearings is engine assembly(how clean it is), the clearance itself and oil some people might have luck but im not willing to chance it especially with how much im putting into my car. i personally intend to use pennzoil 20w50 never heard anything bad about it, but im going to be running about .031 clearance on my bearings so 5w30 will be no good. royal purple im not big on either, just seemed to gimmicky personally really thin to support "more hp from less windage loss" but i want protection not less windage.
off the gear oil topic but..
i just switched from rp to amsoil xl and hopes it performs well for me
i talked to a local dealer for a long time and i know he works there/wants a sale, but he sold me on it..lol.
i personally would not mind switching all the fluids over eventually though
i just switched from rp to amsoil xl and hopes it performs well for me
i talked to a local dealer for a long time and i know he works there/wants a sale, but he sold me on it..lol.
i personally would not mind switching all the fluids over eventually though
like i said i dont trust it personally and i know many many many people who dont as well. the major differences in spun bearings is engine assembly(how clean it is), the clearance itself and oil some people might have luck but im not willing to chance it especially with how much im putting into my car. i personally intend to use pennzoil 20w50 never heard anything bad about it, but im going to be running about .031 clearance on my bearings so 5w30 will be no good. royal purple im not big on either, just seemed to gimmicky personally really thin to support "more hp from less windage loss" but i want protection not less windage.
I know a lot of master mechanics that have no issues with mobil products. I personally have not heard of or had any issues with mobil oils. In fact, it's probably the only oil i've heard of without any issues. I don't use it because of it's price. I would look into the factory that was producing those engines for those cars at the dealership. Just because it's the same engine as the chevy and gmc doesn't mean it's the same factory.
also, this study is on gear oil. Gear oil is designed quite a bit differently than engine oils so we can't really use these results to pick an engine oil.
I have ran mobil 5w30 for years, I had a acura gsr engine I got out of a junk yard. I put about 260000 miles on it and there was not a day it did not see 8000 rpm. You can pull the valve cover on it right now and still looks like a new engine with some oil poured on it. I will always run mobil.
Thread Starter
New Member
iTrader: (21)
Joined: Sep 2006
Posts: 8,159
Likes: 107
From: London, Ontario, Canada
Its better than anecdotal evidence. "I used this oil and it's awesome"
Of course the study had to be sponsored by someone in order to get done, and obviously the study is going to be sponsored by someone who expects to win.
Of course the study had to be sponsored by someone in order to get done, and obviously the study is going to be sponsored by someone who expects to win.
when i switched to amsoil i gained 17.5hp in the midrange and 21hp in the upper rpm range.....at least on my butt dyno.
My ***** also looks 5" longer now that i use extenz daily.
so, someone go out there and find a report like this on engine oils. I'll tell you right now after all the independent lab tests i've seen done from universities shows Shell Rotella synthetic as being one of the top. That's why all the semi's on our farms run it. Just passed 2 million miles on a few of those engines as well.
My ***** also looks 5" longer now that i use extenz daily.
so, someone go out there and find a report like this on engine oils. I'll tell you right now after all the independent lab tests i've seen done from universities shows Shell Rotella synthetic as being one of the top. That's why all the semi's on our farms run it. Just passed 2 million miles on a few of those engines as well.
i know im a couple days late but according to the vins they had they where coming from the same factory(the cadillac dealership also had gmcs which we had no issues with). all of them where rolling down the same assembly line at gm's arlington plant ,and while i wouldnt know without the casting number i believe all the iron block gen 3/4 engines were/are made at the romulus engine plant in michigan, the aluminum engines are built at a different plant in michigan but cant remember what the name was. although i think it might be closed now i heard they where talking about it. like i said everyone i knew wouldnt use it because of the issues they either had or saw with it mainly spun bearings. the guys i worked with could even get it cheaper then conventional because they recieved the same price as myself.
as far as your choice i would def go with that, ive used rotella on all my engines but gona try pennzoil race 20w50 on this one. its also the most power ive ever gone after =/
as far as your choice i would def go with that, ive used rotella on all my engines but gona try pennzoil race 20w50 on this one. its also the most power ive ever gone after =/
looks like the "horrible" mobil 1 scored 2nd place.
I know a lot of master mechanics that have no issues with mobil products. I personally have not heard of or had any issues with mobil oils. In fact, it's probably the only oil i've heard of without any issues. I don't use it because of it's price. I would look into the factory that was producing those engines for those cars at the dealership. Just because it's the same engine as the chevy and gmc doesn't mean it's the same factory.
also, this study is on gear oil. Gear oil is designed quite a bit differently than engine oils so we can't really use these results to pick an engine oil.
I know a lot of master mechanics that have no issues with mobil products. I personally have not heard of or had any issues with mobil oils. In fact, it's probably the only oil i've heard of without any issues. I don't use it because of it's price. I would look into the factory that was producing those engines for those cars at the dealership. Just because it's the same engine as the chevy and gmc doesn't mean it's the same factory.
also, this study is on gear oil. Gear oil is designed quite a bit differently than engine oils so we can't really use these results to pick an engine oil.
Thread
Thread Starter
Forum
Replies
Last Post
