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Re: Anyone overfill the crankcase on purpose? [Re: mpgo4th] #5339002 02/02/20 12:29 PM
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jayjr1105 Offline
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My OCD tries to go just a hair above the top dot knowing that it will drop by a hair when the filter gets full. On cars that you know it's going to burn a little oil, you can probably go a tad over the top dot and sleep easy.


2013 Mazda 3 - PP 0w20
2005 Honda Odyssey - PP HM 5w20
Re: Anyone overfill the crankcase on purpose? [Re: Leo99] #5339017 02/02/20 12:54 PM
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painfx Offline
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Originally Posted by Leo99
To follow up my previous post, my Camry calls for 4.6 or 4.7 qts. The dipstick was a about a 1/4 below the full mark from the factory and 1/4 below the full mark when I add the specified volume of oil. It's right at the full mark when I put in 5 qts. Seems like a miscommunication somewhere.

I've also heard of a revision to a crankcase capacity a few years after it was sold. Think it was the Corolla. They specified an extra quart than what's in the owner's manual and they'll sell you a new dipstick to show full where the original one showed a qt overfilled.


What year and engine size is your camry?

What oil filter are you using?

Re: Anyone overfill the crankcase on purpose? [Re: mpgo4th] #5339518 02/02/20 09:16 PM
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tblt44 Offline
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Never.


2003 Avalanche Z71 5.3
2006 Tahoe 5.3
1989 Yamaha moto 4 250
2004 Key Largo w/70 Yamaha 2 stroke
Re: Anyone overfill the crankcase on purpose? [Re: mpgo4th] #5339554 02/02/20 10:02 PM
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CR94 Offline
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No, I do not overfill a Toyota engine with a reputation for the same issues JohnG mentions with the Northstar. I pour in the specified volume, which puts the dipstick about 85% of the way up from low to add, checking it cold.

When the dipstick seems to disagree with the specified volume, who knows which to believe?


2011 Toyota Prius now at 110K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: Anyone overfill the crankcase on purpose? [Re: mpgo4th] #5339566 02/02/20 10:21 PM
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VolkswagenFox21 Offline
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Sometimes I overfill by half a litre or so, just to show the catalytic converter who's boss.


2009 VW Jetta City, 2.Slow - 5MT
2016 Scion FR-S - 6MT
2020 Hyundai Tucson 2.0 GDI
Re: Anyone overfill the crankcase on purpose? [Re: CR94] #5339567 02/02/20 10:21 PM
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madeej11 Offline
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I just can't overfill, it drives me nuts. I keep the level like 1/16” under the full mark. I know a little over full won't hurt, it's just me though.

Re: Anyone overfill the crankcase on purpose? [Re: mpgo4th] #5339677 02/03/20 02:49 AM
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bbhero Offline
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I am a exact kind of cat....

4 and 7/8. Goes into my Nissan Altima VQ with a total oil change and new oil filter...

That's all it gets. Not over that.

If I change the oil and leave the filter on there... 4 qts and anywhere from 8-16 ozs... To the top of the line.


Nissan Altima 3.5 Coupe
Cam2 Full synthetic 5w30 Carquest Blue 84356
"Treat your family like your friends and treat your friends like your family."
Re: Anyone overfill the crankcase on purpose? [Re: hatt] #5339692 02/03/20 04:16 AM
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bachman Offline
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Originally Posted by hatt
Originally Posted by bachman
I'll add that I used to do my vehicle o/c myself quite a bit and it was simple and painless- even seemed worth the savings when oil and filter total were $12 to $15 and oci were the 3000 to 5000 range.
Now, it seems pointless to me in that I have dealer LOF I pre paid for on the Mazda and a good deal if you keep the car a few years..... the other one is a 5500 - 6000 mi oci I am comfortable with coming up once a year or at 11 months so far. I trust them, they stamp the book and my first o/c was with a coupon for 39.99 as prescribed full syn at VW. Our two cars combined miles annually is 12,000 - 14,000 so LOF costs might average $4 a month.

The one thing I always do is check the stick after the dealer service.

LOL. Why do you check the oil if you trust them?

Changing you own oil isn't about the money. It's to makes sure it's done right, look over the vehicle, work on machines, etc.


Yeah, you got me there. laugh
When I say "trust", take it to mean I'm pretty certain they put new oil in my car. Where it is on the stick isn't as much a mild fascination as it is visual verification ... lol
In my prior post, I mention I'd never overfill because I'd heard it could lead to trouble, yet over many years there were occasions where the stick was high on a fresh dealer o/c. Never to the point I went back to have it corrected though.


95 Honda Nighthawk- Rotella T6 syn
17 Golf SW 4MO dsg- Dealer LOF/5-6k *New spec syn -VW/Audi XOM ?
16 Mazda CX9 Tour- Dealer LOF/5-6k Casterol full syn
Re: Anyone overfill the crankcase on purpose? [Re: hatt] #5339711 02/03/20 06:25 AM
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bachman Offline
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Originally Posted by hatt

The manufacturer wants the fill to be in range on the dipstick.


This makes it so simple too. Those ref marks are there by design and if you are overfilled, or low, really easy to spot. On my older cars, like an '88 3.8 Olds or the '77 403, I seem to recall the low mark being around a full quart from the top mark.


95 Honda Nighthawk- Rotella T6 syn
17 Golf SW 4MO dsg- Dealer LOF/5-6k *New spec syn -VW/Audi XOM ?
16 Mazda CX9 Tour- Dealer LOF/5-6k Casterol full syn
Re: Anyone overfill the crankcase on purpose? [Re: mpgo4th] #5339715 02/03/20 06:38 AM
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kr_bitog Offline
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Why dont just pour a bit to empty jug and the rest to your engine? ???

Re: Anyone overfill the crankcase on purpose? [Re: mpgo4th] #5339848 02/03/20 10:04 AM
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Duffyjr Offline
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No because when the correct amount gets put in it's already a little over the full mark. All three of the GM 3800's I have owned have been like this no matter who changes it. I don't change my own oil so I make sure and only take in 4.5 quarts. My 5.7 is 5 quarts and is usually right on the full mark after an OC.


89 GMC Sierra Advanced 5w30/51036 Wix
08 Lucerne CX Advanced 5w30/1040 Gold
18 Toro Super Recycler T5 10w30
Re: Anyone overfill the crankcase on purpose? [Re: mpgo4th] #5339880 02/03/20 10:56 AM
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bilibako2 Offline
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Yes,done it to many vehicles with no problem.


bentoti/1999
Re: Anyone overfill the crankcase on purpose? [Re: mpgo4th] #5339889 02/03/20 11:05 AM
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IndyFan Offline
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I've done it on purpose, but only slightly, like 1/4 quart, on my old Jeep 3.8, knowing it would drink it down within 300 miles or so. I've done it accidentally to the tune of probably 1/2 quart. I monitored closely, looking on the dipstick right after shutoff to see if there was any visual clue of a problem and all looked fine.

I'd be shocked if there wasn't at least room for 1 additional quart in most engines, as overfilling is probably a very common error.


18 Jeep JLUR Wrangler 3.6 29k
15 Ford Transit 129k, Reman 3.5 @85k
17 Jeep Renegade 2.4 22k
08 Jeep Wrangler 3.8 139k
04 Jeep Grand Cherokee 4.7 109k
99 Mercedes E430 Sport 99k
Re: Anyone overfill the crankcase on purpose? [Re: mpgo4th] #5339898 02/03/20 11:18 AM
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Gebo Offline
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I have always rounded up. My capacities range from 5.5 to 6.7. They all get either 6 or 7 qts.

Last edited by Gebo; 02/03/20 11:19 AM.

'98 LEX LS400 305K
'02 4Runner 250K
'05 Lex LS430 90K
'07 Lex GX470 70K

Shell Gas and Truck 5W-30
QS HM 10W-30
Toyota ATF's and Coolant
Amsoil Gear Oil and Grease
Re: Anyone overfill the crankcase on purpose? [Re: mpgo4th] #5339904 02/03/20 11:26 AM
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riggaz Offline
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Originally Posted by mpgo4th
I'm about 500 miles away from servicing my wife's 2018 with a 2.0 Turbo GDI. I'm thinking about running a smart change box of Havoline Pro DS 5w30 for this OCI. The manual says the car holds 5.7 quarts while the box of oil has 6 quarts in it. It seems near impossible to get the oil perfectly filled to that amount so I'm thinking I'll just pour all 6 in it. I know it wouldn't normally hurt anything but with the direct injection causing fuel dilution I'm second guessing putting the oil up the stick to start with. Any thoughts?


I wouldn't make a habit of it. It just increases the crankcase pressure.

We changed a peugeot catalytic converter out recently and it had a nice ring of ash in there, wasn't even recommended to have mid or low saps oil.

Havoline is quality oil, just put the correct amount in and use the remaining for top-ups.

Which ProDS are you going for and what car is it going in?

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