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Blotter Spot Test #4673728
02/21/18 07:22 PM
02/21/18 07:22 PM
Joined: Jul 2017
Posts: 187
Venezuela, South America
Emanuel Offline OP
Emanuel  Offline OP
Joined: Jul 2017
Posts: 187
Venezuela, South America
Is the fact that the center of the spot is clearer than the medium ring a good or a bad thing?

Both spots were taken at the same time, I wanted to compare 2 drops vs 1 drop.

288k miles 7AFE Corolla
2500 miles on Oil with 2 qts of Makeup






Re: Blotter Spot Test [Re: Emanuel] #4673773
02/21/18 07:46 PM
02/21/18 07:46 PM
Joined: Dec 2016
Posts: 7,199
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,199
Waco, TX
How did you make out on your engine repair?

Was the head gasket the only item needed?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Blotter Spot Test [Re: Linctex] #4673795
02/21/18 08:02 PM
02/21/18 08:02 PM
Joined: Jul 2017
Posts: 187
Venezuela, South America
Emanuel Offline OP
Emanuel  Offline OP
Joined: Jul 2017
Posts: 187
Venezuela, South America
Originally Posted By: Linctex
How did you make out on your engine repair?

Was the head gasket the only item needed?


The head gasket was burnt between cylinders 1 and 2, my 100k miles timing belt had cracks so we bought a timing kit and replaced the camshaft seal and front crankshaft seal.

The coolant consumption is gone. Now I wanna see if oil consumption lowers because of the new seals.

Re: Blotter Spot Test [Re: Emanuel] #4673867
02/21/18 09:05 PM
02/21/18 09:05 PM
Joined: Jan 2009
Posts: 13,990
Illinois
tig1 Offline
tig1  Offline
Joined: Jan 2009
Posts: 13,990
Illinois
Here is a site that may help you with the "One Drop Test". I do the one drop test usually around the 7K mark of my usual 10K OCI.

http://www.gwrauto.com/One%20Drop.htm

Last edited by tig1; 02/21/18 09:06 PM.

2007 Ford Fusion 235,000 miles
M1 0-20 EP
2017 Ford Fusion 61K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and Valvoline LV
M1 10-30 in all OPE
MC filters

Re: Blotter Spot Test [Re: Emanuel] #4674003
02/22/18 01:43 AM
02/22/18 01:43 AM
Joined: Sep 2015
Posts: 2,478
Malaysia
zeng Offline
zeng  Offline
Joined: Sep 2015
Posts: 2,478
Malaysia
Originally Posted By: Emanuel
Is the fact that the center of the spot is clearer than the medium ring a good or a bad thing?

Clear and whitish center spot is a good thing as it indicates low levels of contaminants,
BUT observance/presence of medium ring (of about 8 mm annulus) is a 'bad' thing as it indicates commencement of dispersancy failure.
What's the oil spec in question ?

Re: Blotter Spot Test [Re: zeng] #4674056
02/22/18 06:40 AM
02/22/18 06:40 AM
Joined: Jul 2017
Posts: 187
Venezuela, South America
Emanuel Offline OP
Emanuel  Offline OP
Joined: Jul 2017
Posts: 187
Venezuela, South America
Originally Posted By: zeng
[quote=Emanuel] BUT observance/presence of medium ring (of about 8 mm annulus) is a 'bad' thing as it indicates commencement of dispersancy failure.
What's the oil spec in question ?


4 qts of Motorcraft 15w40 CJ4 with 2 qts of Makeup Oil of Venezuelan 15w40 CI4


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