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oil test kits....which one to get? #4476067
07/31/17 09:04 PM
07/31/17 09:04 PM
Joined: Jan 2008
Posts: 728
indianapolis in
bmwjohn Offline OP
bmwjohn  Offline OP
Joined: Jan 2008
Posts: 728
indianapolis in
Hi:
I notice on Amazon (esp. w/ Prime) that prices skip around. I saw a WIX oil test kit for $12-14?? went back to order several months later and it was in the $20's. Whats the good price / place to get a test kit?? Thoughts?? Thanks!

Re: oil test kits....which one to get? [Re: bmwjohn] #4476069
07/31/17 09:07 PM
07/31/17 09:07 PM
Joined: Jun 2014
Posts: 2,006
IL
Vern_in_IL Offline
Vern_in_IL  Offline
Joined: Jun 2014
Posts: 2,006
IL
Blackstone sends free test kits.

Re: oil test kits....which one to get? [Re: bmwjohn] #4476072
07/31/17 09:10 PM
07/31/17 09:10 PM
Joined: Sep 2010
Posts: 7,594
Planet Earth
2015_PSD Offline
2015_PSD  Offline
Joined: Sep 2010
Posts: 7,594
Planet Earth
Horizon/Polaris from Amsoil. $19.95 and includes TBN or TAN depending on the oil type.

Re: oil test kits....which one to get? [Re: Vern_in_IL] #4476076
07/31/17 09:16 PM
07/31/17 09:16 PM
Joined: Sep 2007
Posts: 1,023
TX, USA
JMJNet Offline
JMJNet  Offline
Joined: Sep 2007
Posts: 1,023
TX, USA
Originally Posted By: Vern_in_IL
Blackstone sends free test kits.


The kit is free but you have to pay when you send it in.

The other kit are not free but you don't have to pay again when you send it in.

You have to pay, the timing is different with different company.


  • 2017 Toyota Sienna
  • 1995 GMC Suburban 6.5L Turbo Diesel


Re: oil test kits....which one to get? [Re: 2015_PSD] #4476077
07/31/17 09:18 PM
07/31/17 09:18 PM
Joined: Aug 2006
Posts: 9,887
Central Washington
Colt45ws Offline
Colt45ws  Offline
Joined: Aug 2006
Posts: 9,887
Central Washington
Originally Posted By: 2015_PSD
Horizon/Polaris from Amsoil. $19.95 and includes TBN or TAN depending on the oil type.

This. You can get the Amsoil kit WITH a Prepaid UPS label for less than a Blackstone kit that isnt as comprehensive.


-Colton
2002 Ford Crown Vic PI 207k, Ex-Kootenai County, ID Unit #42
Down for engine swap
2003 Ford Crown Vic PI 75k
Castrol EDGE HM 5W30, Fram XG2
Re: oil test kits....which one to get? [Re: bmwjohn] #4476079
07/31/17 09:19 PM
07/31/17 09:19 PM
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
Reddy45 Offline
Reddy45  Offline
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
I just yesterday sent in a Blackstone sample.

Kit = $0
Analysis = $28
USPS first class ship = $3.00 (roughly)

So $31 all in.

I might try the Polaris one next time since it is cheaper.

Re: oil test kits....which one to get? [Re: bmwjohn] #4476087
07/31/17 09:38 PM
07/31/17 09:38 PM
Joined: Jan 2006
Posts: 439
GA
drtyler Offline
drtyler  Offline
Joined: Jan 2006
Posts: 439
GA
Ordered 4 of the Wix 24077 kits from RockAuto, total was $40. So each analysis will be $10 each with TBN, no shipping as I can drop off at ALS direct.

Re: oil test kits....which one to get? [Re: bmwjohn] #4476099
07/31/17 09:48 PM
07/31/17 09:48 PM
Joined: Jul 2008
Posts: 685
Maryland USA
rubberchicken Offline
rubberchicken  Offline
Joined: Jul 2008
Posts: 685
Maryland USA
It has been many years since I used the Amsoil test kits, but comparing Amsoil to Blackstone- The Blackstone provides "universal" averages- i.e. average data on other customers engines. Amsoil (Oil Analyzers ?) did not. The Blackstone was $3-5 more expensive, but I thought it had more data. Both are good.

Re: oil test kits....which one to get? [Re: rubberchicken] #4476122
07/31/17 10:28 PM
07/31/17 10:28 PM
Joined: Aug 2006
Posts: 9,887
Central Washington
Colt45ws Offline
Colt45ws  Offline
Joined: Aug 2006
Posts: 9,887
Central Washington
Originally Posted By: rubberchicken
It has been many years since I used the Amsoil test kits, but comparing Amsoil to Blackstone- The Blackstone provides "universal" averages- i.e. average data on other customers engines. Amsoil (Oil Analyzers ?) did not. The Blackstone was $3-5 more expensive, but I thought it had more data. Both are good.

To the UA: Meh. You can tell if something is really wrongon a sample without them. The under-10 or 20 ppm of most metals is noise, for all intents and purposes, and having data that says "This engine averages 6 ppm but this other one averages 7ppm iron" is not really worth anything. You can build your own UA to your engine by getting it sampled every time and trending. Plus, its specific to your engine in your usage scenario.

[censored] calculates fuel dilution via open cup flashpoint. And the calculation is not the same across all samples. Its based on the flashpoint in the "Should be" Column. Some samples are >385F, others are >365F. Ive also seen >355F in the past. I haven't figured out yet what its based off of.
If your actual Flashpoint matches the Flash in the 'Should be' column, it will get labeled "Trace" fuel.
Every 20F below that is 1% fuel.
For example say your 'Should be' is >385F and the sample tests 385F, you will get told a trace of fuel was found.
If your sample tests 365F, you will get told 1% of fuel was found.
But lets say that instead of >385F as a should be, it was labeled >355F. The sample will be "free" of fuel. The same sample.
I feel strongly that [censored] fuel dilution is a guideline, at best, and you should probably ignore the fuel dilution % they put on and calculate based on a temperature of 380-400F depending on what your oil VOAs at. I think it loses accuracy very quickly beyond 2-3% also.(as if there was any to begin with...)

This sample is a great example of this
Royal Purple, a synth oil comes back with a flash of 375F and "No fuel" but low viscosity. Sorry, no. There is Around 2% of fuel in there, but only my guess. Fuel by GC would tell for sure. Comments are talking about RP shearing as if it was just because its RP. It had a little help.

Polaris calculates fuel by GC, aka they are looking for the chemical traces of fuel in the oil and not guess-timating.
Plus you get TBN or TAN by default, along with Oxidation and Nitration.

Last edited by Colt45ws; 07/31/17 10:37 PM.

-Colton
2002 Ford Crown Vic PI 207k, Ex-Kootenai County, ID Unit #42
Down for engine swap
2003 Ford Crown Vic PI 75k
Castrol EDGE HM 5W30, Fram XG2
Re: oil test kits....which one to get? [Re: bmwjohn] #4476136
07/31/17 11:07 PM
07/31/17 11:07 PM
Joined: Feb 2013
Posts: 11,090
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline
Joined: Feb 2013
Posts: 11,090
Phoenix, AZ
I like Blackstone, easier to read and it seems like a real person is analyzing it.

The other companies sound robotic and don't write up much.


2015 Hyundai Sonata 2.4L 88k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 231k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: oil test kits....which one to get? [Re: rubberchicken] #4476200
08/01/17 05:02 AM
08/01/17 05:02 AM
Joined: Mar 2004
Posts: 21,121
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 21,121
Upstate NY
Originally Posted By: rubberchicken
It has been many years since I used the Amsoil test kits, but comparing Amsoil to Blackstone- The Blackstone provides "universal" averages- i.e. average data on other customers engines. Amsoil (Oil Analyzers ?) did not. The Blackstone was $3-5 more expensive, but I thought it had more data. Both are good.


Blackstone raised their prices not long ago. Their universal averages as well as their comments are useless. Their normal test does not include TBN.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: oil test kits....which one to get? [Re: bmwjohn] #4476208
08/01/17 05:15 AM
08/01/17 05:15 AM
Joined: Mar 2004
Posts: 21,121
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 21,121
Upstate NY
The NAPA test kit is just under $16 with TBN. The Amsoil or OAI is Polaris Labs. Polaris includes oxidation and nitration which I think is good to know, oxidation tell you about the condition of the base oil while TBN tells you about the additive package.

Polaris sells ten packs which brings the price down. Ten packs end up being around $20 each last I looked.

I have been using NAPA recently and no issues. The turnaround is good, mail the round container in box or envelope.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: oil test kits....which one to get? [Re: bmwjohn] #4476264
08/01/17 07:09 AM
08/01/17 07:09 AM
Joined: Sep 2015
Posts: 884
California
mbacfp Offline
mbacfp  Offline
Joined: Sep 2015
Posts: 884
California
Great info. Does the Napa oil analysis kit measure fuel dilution accurately? Thanks.


2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8
Re: oil test kits....which one to get? [Re: JMJNet] #4476266
08/01/17 07:11 AM
08/01/17 07:11 AM
Joined: Dec 2009
Posts: 480
Jupiter, FL
thescreensavers Offline
thescreensavers  Offline
Joined: Dec 2009
Posts: 480
Jupiter, FL
Originally Posted By: JMJNet
Originally Posted By: Vern_in_IL
Blackstone sends free test kits.


The kit is free but you have to pay when you send it in.

The other kit are not free but you don't have to pay again when you send it in.

You have to pay, the timing is different with different company.


I think they started paying for postage now.


2017 Camaro SS 1LE (Motul 8100 X-clean 5W40)
1997 Jeep XJ 4x4 (15W40 HDEO Maxlife)
Re: oil test kits....which one to get? [Re: bmwjohn] #4476287
08/01/17 07:47 AM
08/01/17 07:47 AM
Joined: Dec 2002
Posts: 42,301
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,301
New Jersey
Blackstone seems to be the gold standard for testing, commentary, etc.

Ive used quite a few. Wear check, chevron, Napa, blackstone.

The easiest for me to get on a whim is Napa. They have a lot of options.

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