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#1664464 - 11/09/09 12:02 PM Schaeffers VS Amsoil
Follmer Offline


Registered: 11/05/09
Posts: 3
Loc: Kearney, NE
Can anyone provide any analysis records vs the two? I drive a 04 duramax that has alot of performance modifications and all those guys use amsoil and I find amsoil overpriced and just popular. We use schaeffers in all our equipment. Engine oil, grease, hydro oil, atf, differential etc all schaeffers and have had tremendous results with it but I would like to see some comparison. Thanks BTW What do you guys run for oil in your heavy equipment and diesel pickups.

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#1664480 - 11/09/09 12:15 PM Re: Schaeffers VS Amsoil [Re: Follmer]
hate2work Offline


Registered: 09/04/08
Posts: 4617
Loc: Western Washington

You just have to search the UOA section, find the ones you want and do your own comparison.

Both companies make very good stuff, if you dislike one for whatever reason then use the other one.

A lot of guys run the Mobil 1 TDT 5W-40 oil in their rigs, I think it's about $6 a quart, not sure how that compares to the 2 you mentioned.
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#1664488 - 11/09/09 12:24 PM Re: Schaeffers VS Amsoil [Re: Follmer]
eoghan Offline


Registered: 02/23/06
Posts: 163
Loc: Nebraska
sounds like you have already made up your mind.

go ahead and use schaeffers or whatever you like. shrug
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#1664503 - 11/09/09 12:39 PM Re: Schaeffers VS Amsoil [Re: eoghan]
BobFout Offline


Registered: 03/23/09
Posts: 2881
Loc: Indiana
Shell Rotella T 5w40 hornets
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#1665057 - 11/09/09 08:45 PM Re: Schaeffers VS Amsoil [Re: BobFout]
-SyN- Offline


Registered: 06/20/05
Posts: 803
Loc: Tornado Alley
Follmer: Do U have plans on installing a single or dual oil by-pass system, once you change over to either oils?
What your intended OCI?

I just ask, for the reasons being--->Dmaxs are easy on oil, and synthetics are not cheap. So why waste money by dumping out good oil, after 5k or 7K miles. I guess if you have a 6 digit income, it's really no big deal. I have seen and read about many Dmax owners with Amsoils dual by-pass systems and Oilguards great filtering system, going 15k to 30k miles between OCI--->using a UOA every 7K miles.

Amsoil or Schaeffers will serve your Dmax well for K's of miles.
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#1665148 - 11/09/09 09:42 PM Re: Schaeffers VS Amsoil [Re: Follmer]
Johnny Offline


Registered: 05/27/02
Posts: 14013
Loc: Retired | Wausau, WI
Originally Posted By: Follmer
Can anyone provide any analysis records vs the two? I drive a 04 duramax that has alot of performance modifications and all those guys use amsoil and I find amsoil overpriced and just popular. We use schaeffers in all our equipment. Engine oil, grease, hydro oil, atf, differential etc all schaeffers and have had tremendous results with it but I would like to see some comparison. Thanks BTW What do you guys run for oil in your heavy equipment and diesel pickups.


They are both fine oils, but I do find your comment about "a lot of performance modifications" and "I find Amsoil overpriced" as being rather odd. You will spend a small fortune on performance mods but not on oil to protect it. shrug


welcome to BITOG


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#1665170 - 11/09/09 09:52 PM Re: Schaeffers VS Amsoil [Re: -SyN-]
Steve S Offline


Registered: 01/20/03
Posts: 18449
Loc: East of IGO
Most people don't online know the difference between a clearance and the tolerance so I would say Schaeffers is a really well formulated oil. Amsoil is a fine oil though. I use Chevron or Mobil 1300 in my wifes Superduty and in my 4310 John Deere utility tractor because the equipment is not run hard and I don't do extended oil change intervals due to the limited miles/hours put on them per year.
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Why do people post I want the best for my car,,, When there isn't anything that is the best on the car to begin with.

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#1665733 - 11/10/09 11:49 AM Re: Schaeffers VS Amsoil [Re: Johnny]
Follmer Offline


Registered: 11/05/09
Posts: 3
Loc: Kearney, NE
Originally Posted By: Johnny
Originally Posted By: Follmer
Can anyone provide any analysis records vs the two? I drive a 04 duramax that has alot of performance modifications and all those guys use amsoil and I find amsoil overpriced and just popular. We use schaeffers in all our equipment. Engine oil, grease, hydro oil, atf, differential etc all schaeffers and have had tremendous results with it but I would like to see some comparison. Thanks BTW What do you guys run for oil in your heavy equipment and diesel pickups.


They are both fine oils, but I do find your comment about "a lot of performance modifications" and "I find Amsoil overpriced" as being rather odd. You will spend a small fortune on performance mods but not on oil to protect it. shrug


welcome to BITOG


Whats odd? I use schaeffers oil and do a OCA every change then they recommend either increasing drain interval or keeping the same mileage on change. But the reason I ask about the two is because everyone on duramaxforum recommends amsoil and I wanna compare the two.

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#1665748 - 11/10/09 12:09 PM Re: Schaeffers VS Amsoil [Re: Follmer]
Johnny Offline


Registered: 05/27/02
Posts: 14013
Loc: Retired | Wausau, WI
I guess the only way to do that with your modifications would be to try the Amsoil and have it tested. The Schaeffer's is a fine oil and my advise has always been, if it ain't broke, don't fix it. What Schaeffer's product are you using? The 7000 series 15W-40?

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#1667111 - 11/11/09 12:17 PM Re: Schaeffers VS Amsoil [Re: Johnny]
Follmer Offline


Registered: 11/05/09
Posts: 3
Loc: Kearney, NE
Originally Posted By: Johnny
I guess the only way to do that with your modifications would be to try the Amsoil and have it tested. The Schaeffer's is a fine oil and my advise has always been, if it ain't broke, don't fix it. What Schaeffer's product are you using? The 7000 series 15W-40?

yes. i just bought the pickup and it had amsoil in it. all my vehicles and equipment use schaeffers. but other guys say buy amsoil so i wanted to see the difference

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#1667274 - 11/11/09 03:10 PM Re: Schaeffers VS Amsoil [Re: Follmer]
Steve S Offline


Registered: 01/20/03
Posts: 18449
Loc: East of IGO
Some may suggest the Schaeffers has a heavyer duty add package? Just to stir the pot so to say.
_________________________
Why do people post I want the best for my car,,, When there isn't anything that is the best on the car to begin with.

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