Recent Topics
Want to hear from turbo owners that go 10k + oci
by Sw296inchblue
14 minutes 28 seconds ago
When you have found the right combo
by bbhero
20 minutes 40 seconds ago
High Mileage diesel oil?
by Hysilver
22 minutes 5 seconds ago
Barium
by Hullthumper
Today at 07:25 PM
Oil filters suggestions for a 10' Hyundai .......
by Oregoonian
Today at 06:32 PM
Is the spin-on filter's days numbered?
by jongies3
Today at 06:28 PM
Mobil 1 75w90 LS for 2010 Camaro SS
by AIRJAC3
Today at 05:51 PM
2013 Tacoma ATF Change?
by CrackyWainwright
Today at 05:42 PM
Blackfire Wet Diamond
by BlueOvalFitter
Today at 05:42 PM
Which butter do you all use?
by chiefsfan1
Today at 05:00 PM
Does this tail pipe pic tell you anything?
by LeakySeals
Today at 04:38 PM
Security Camera system
by Alfred_B
Today at 04:10 PM
Newest Members
ph9, Kurt34556, Skullzaflare, Jakes_Lawn, Aarrghhh
58031 Registered Users
Who's Online
108 registered (123Saab, 2015_PSD, 15SilvyEcotec, 2009Edge, 2K2AcuraTL, 01rangerxl, 13 invisible), 1794 Guests and 354 Spiders online.
Key: Admin, Global Mod, Mod
Forum Stats
58031 Members
66 Forums
249644 Topics
4087547 Posts

Max Online: 2862 @ 07/07/14 03:10 PM
Donate to BITOG
Page 1 of 2 1 2 >
Topic Options
#3336020 - 04/07/14 04:51 PM top off oil?
leroyd92 Offline


Registered: 01/21/14
Posts: 362
Loc: AZ
Today while i was at oriley buying mercon v for my truck, a guy made a rude remark saying ( valvoline stuff is only good for topping off your oil )

Seeing him hold a oriley jug of atf in his hands i ignored his reply, but i got to thinking, do any of you use cheaper oil for topping off the oil levels instead of using high quality oil???

It just got me thinking, im not really partial to either side, but id like to hear what you all have to say.

It kinda makes sense, if the oil is breaking down, is there really a need to add costly oil back in, or just get the cheaper stuff ?
_________________________
Supertech Junky

Top
#3336022 - 04/07/14 04:52 PM Re: top off oil? [Re: leroyd92]
leroyd92 Offline


Registered: 01/21/14
Posts: 362
Loc: AZ
Engine or tranny or gears, all of them, ect
_________________________
Supertech Junky

Top
#3336026 - 04/07/14 04:56 PM Re: top off oil? [Re: leroyd92]
silverrat Online   content


Registered: 01/09/09
Posts: 1447
Loc: Ontario
If the oil is breaking down wouldnt you want good quality to replenish the additives?
_________________________
03 Civic Si(R) - Assembled in Swindon, England
Long Live the Manual Transmission drive

Top
#3336034 - 04/07/14 05:04 PM Re: top off oil? [Re: leroyd92]
Shannow Offline


Registered: 12/12/02
Posts: 32855
Loc: Oz
Have oft maintained that an SAE30 would make a fairly decent top-off oil...simple add pack, and not much complication to go awry with mixing.

My Nisan runs 10,000km OCI, and somewhere between 8,500 and 9,000, needs nearly a litre...

I've had either house brand 5W-30 synthetic (turned out to be Caltex C-3), or currently house brand 10W-30 synthetic blend for that last 600-1000 miles. If I had a litre of what's in the sump lying around, it would certainly go in.

Top
#3336055 - 04/07/14 05:20 PM Re: top off oil? [Re: leroyd92]
dparm Offline


Registered: 04/19/10
Posts: 13009
Loc: Chicago, IL
I top off with what's already in there. I usually have some left-over from the change, and this way I don't have to play games with additives fighting one another.

I wouldn't overthink it. Just top it off with the same oil and be done with it.
_________________________
2011 BMW M3 sedan ZCP

Top
#3336057 - 04/07/14 05:20 PM Re: top off oil? [Re: leroyd92]
SatinSilver Offline


Registered: 01/24/08
Posts: 4553
Loc: Ohio
Good question, the only recent time I was down a quart was with my 99 Accord 4cyl with 135k miles. I topped off with some Mobil 5000 and was quickly down a quart. Next I topped off with some MaxLife and never had to top it off again. Sold it with 166k miles.
_________________________
2012 Toyota Camry 62k miles- PP 0w20, oem filter (TGMO all prior)
2005 Toyota Matrix 103k miles- MC 0w20 syn-blend, MC filter

Top
#3336068 - 04/07/14 05:30 PM Re: top off oil? [Re: leroyd92]
leroyd92 Offline


Registered: 01/21/14
Posts: 362
Loc: AZ
Makes sense. I like everyones points

For what its worth, at this point in time i have ST 530 in my 5.4 and thats as cheap as cheap gets... but my next change might be something synthetic, and if it were, id rather not use expensive oil for something that might be changed in a few hundred miles.

If adding good oil keeps weak oil stay strong, i say its a good idea
_________________________
Supertech Junky

Top
#3336088 - 04/07/14 05:48 PM Re: top off oil? [Re: leroyd92]
Brent_G Offline


Registered: 07/12/11
Posts: 440
Loc: Aberdeen SD
I think it would depend on the amount needed and what OCI you run. If its 3k into a 10k run same would be the best IMO, but if your only 1-2k shy of a change anything should do just fine,

I usually top off with whats in the sump already, but recently started using 15w40 rotella as I have 10 gallons laying around.
_________________________
05 Grand Prix GTP
01 Ford F150
06 Yamaha R1
69 Roadrunner 528 Hemi
68 Dart GTS 512
71 Superbee's 440 and 383
87 Camaro 540 BBC

Top
#3336105 - 04/07/14 06:04 PM Re: top off oil? [Re: Brent_G]
leroyd92 Offline


Registered: 01/21/14
Posts: 362
Loc: AZ
Originally Posted By: Brent_G
I think it would depend on the amount needed and what OCI you run. If its 3k into a 10k run same would be the best IMO, but if your only 1-2k shy of a change anything should do just fine,

I usually top off with whats in the sump already, but recently started using 15w40 rotella as I have 10 gallons laying around.


I thought about using hdeo.
_________________________
Supertech Junky

Top
#3336168 - 04/07/14 07:09 PM Re: top off oil? [Re: dparm]
gathermewool Offline


Registered: 01/09/09
Posts: 4707
Loc: New England
Originally Posted By: dparm
I top off with what's already in there. I usually have some left-over from the change, and this way I don't have to play games with additives fighting one another.

I wouldn't overthink it. Just top it off with the same oil and be done with it.


Agreed on both points. In a lot of cars, it doesn't matter, especially if the spec is just a viscosity rating, without any special certifications, like our Civic.
_________________________
14 Forester XT
PUPPP + Subie blue filter
08 Civic LX (Auto)
VWB 5W-20 + Fram Ultra (3rd OFI)

Top
#3337001 - 04/08/14 05:09 PM Re: top off oil? [Re: leroyd92]
fdcg27 Offline


Registered: 09/25/09
Posts: 11869
Loc: OH
I like to use what I've put in at oil change time or something close to it.
For example, I'll top up the Maxlife in the BMW with Durablend, since I have some clearance Durablend 10W-40 in handy quarts.
Most of our cars don't use enough oil to require adds, so I don't worry about what to add in most cases.
I would advise you not to top off obsessively.
The engine is perfectly safe down to the add line on the dipstick, which is typically one quart.
If you're a quart down at your planned OCI, you're golden.
_________________________
12 Accord LX 45K TGMO 0W-20
09 Forester 67K PU 5W-30
02 Accord 144K GOil 5W-30
01 Focus ZX3 112K M1 5W-20
95 BMW 318iC 155K Defy 10W-40

Top
#3337179 - 04/08/14 08:11 PM Re: top off oil? [Re: leroyd92]
gathermewool Offline


Registered: 01/09/09
Posts: 4707
Loc: New England
Just topped the Civic off with 3/4 quart of T6. All those additives should get me at LEAST another 5k miles!


Edited by gathermewool (04/08/14 08:11 PM)
_________________________
14 Forester XT
PUPPP + Subie blue filter
08 Civic LX (Auto)
VWB 5W-20 + Fram Ultra (3rd OFI)

Top
#3337615 - 04/09/14 09:31 AM Re: top off oil? [Re: leroyd92]
leroyd92 Offline


Registered: 01/21/14
Posts: 362
Loc: AZ
I top off the fluids once a week, along with the tire pressure.

Managing uhauls at my work, its just normal to keep em full lol
_________________________
Supertech Junky

Top
#3357369 - 04/30/14 04:27 AM Re: top off oil? [Re: leroyd92]
Ducked Offline


Registered: 10/25/12
Posts: 869
Loc: Taiwan
For the second time, I put Delvac 15W/40 in last oil change, and started topping of with CPC 40Wt. That's marginally cheaper than the Delvac, but my reason for using it was

(a) I had some, and I was out of Delvac
(b) It would compensate for any shear down of the VI in the Delvac, though at the very low miles I do in the car that's unlikely to be an issue. (Might be more relevant in the motorcycle.)

Moot point anyway since it initially used hardly any oil, but then it developed a massive oil leak after I removed the sump. I assumed this was the sump gasket (it was the rocker cover gasket) so it took ne a while to fix it, and the sump is now about 60 Delvac: 40 CPC 40Wt.

(Actually it'll be less, cos some of what I put in will have leaked out, but I've added about 40% of the sump volume.)

Perhaps not ideal, but its nearly summer. Can't say I notice any difference in the way it runs.


Edited by Ducked (04/30/14 04:34 AM)

Top
#3358207 - 04/30/14 08:43 PM Re: top off oil? [Re: leroyd92]
901Memphis Online   content


Registered: 08/14/10
Posts: 10711
Loc: Northern Kentucky
I top off with what's already opened. My Buick doesn't use any oil whatsoever currently but my Taurus drinks it. My last top off for this run of Mobil 1 High Mileage 5w30 was a gallon jug of PYB api SM that I got on clearance at O'Reilly. I think it's drank 3 quarts in 7k miles.

I wouldn't go out of my way to top off with the same thing, since it's all miscible and new additives are better than depleted additives. My next top off is going to be clearance M1 TDT 5w40, $2 each at AZ, after that on sale peak 5w30 I got at big lots cheap, $1.75 quart iirc.
_________________________
2002 Buick Century 125k - Built 4T65e(Maxlife) - M1 0w40 /Fram Ultra XG 3387A
1998 Nissan Altima 335k - 5MT - M1 HM 5w30/Fram Ultra XG7317+MOS+ATP 205

Top
Page 1 of 2 1 2 >