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#4629807 - 01/09/18 09:06 PM Straigh weight on an oil burner?
Chris142 Offline


Registered: 06/05/03
Posts: 16825
Loc: Deplorable in apple valley, ca
My boss has an older Wrangler. Over the years it has started to use quite a bit of oil. I am putting 15w40 in it now.

Would a straight 30 or 40 be a better choice at this point? Rebuilding or replacing the engine is not in the cards till summer.


Edited by Chris142 (01/09/18 09:07 PM)
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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#4629813 - 01/09/18 09:13 PM Re: Straigh weight on an oil burner? [Re: Chris142]
DdDd Offline


Registered: 06/08/17
Posts: 189
Loc: NY
At temp the 15w-40 will be thicker and is probably a better blend than straight 30 so less volatility.

When cold the 15w is thicker too! Tested in a paper cup outside this winter.

Sometimes switching brands can slow burning. Otherwise move up to the 20w-somethings!

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#4629825 - 01/09/18 09:21 PM Re: Straigh weight on an oil burner? [Re: Chris142]
Alex_V Offline


Registered: 04/10/16
Posts: 1155
Loc: Campbellsville, KY
Is it a 4.0?

In the Cali climate a 20w50 would be... passable? So thick it's nothing but a band-aid, but you already know that. I'd be curious to run some Rotella 30 wt. and see what it does.
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#4629828 - 01/09/18 09:22 PM Re: Straigh weight on an oil burner? [Re: Chris142]
Garak Offline


Registered: 12/05/09
Posts: 24600
Loc: Regina, Saskatchewan, Canada
I'd say it cannot hurt to try.
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Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515

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#4629830 - 01/09/18 09:25 PM Re: Straigh weight on an oil burner? [Re: Chris142]
andyd Offline


Registered: 09/25/04
Posts: 7156
Loc: Marshfield , MA
Do some role playing. Pretend you are a stereo typical used car sales guy. White loafers and belt, pencil mustache, combover, etc. Fill it full of Restore.
_________________________
'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2

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#4629836 - 01/09/18 09:34 PM Re: Straigh weight on an oil burner? [Re: Alex_V]
Chris142 Offline


Registered: 06/05/03
Posts: 16825
Loc: Deplorable in apple valley, ca
Originally Posted By: Alex_V
Is it a 4.0?

its the pre 4.0....carbureated 258 with 190k on it. I rolled bearings into it 2 yrs ago because they were down to copper and rattled at higher rpm. Got lucky and that worked but its getting tired.
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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#4629840 - 01/09/18 09:44 PM Re: Straigh weight on an oil burner? [Re: Chris142]
Warstud Offline


Registered: 09/02/05
Posts: 5397
Loc: MIchigan
As long as it's warmer than 40F outside...go for it... and let us know if it helped.

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#4629862 - 01/09/18 10:20 PM Re: Straigh weight on an oil burner? [Re: Chris142]
FermeLaPorte Offline


Registered: 07/25/17
Posts: 472
Loc: Texas (south)
Use 15w40 with a quart of 20w-50, it will thicken a little bit, but not enough. I think this will let you see if it is good.


Edited by FermeLaPorte (01/09/18 10:21 PM)
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#4629877 - 01/09/18 10:39 PM Re: Straigh weight on an oil burner? [Re: Chris142]
fields Offline


Registered: 04/11/03
Posts: 120
Loc: TX
Go to AZ and get the 20-50 for $2.00.

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#4629878 - 01/09/18 10:41 PM Re: Straigh weight on an oil burner? [Re: Chris142]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Just buy the cheapest oil.
You can get API "CJ" oil at Atwood's Farm & Ranch for only $6 a gallon.

I had an old Chevy 283 that burned a quart of oil every hundred miles.
All I ever used in it was USED 15W-40 Diesel engine oil
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#4629884 - 01/09/18 10:50 PM Re: Straigh weight on an oil burner? [Re: fields]
Chris142 Offline


Registered: 06/05/03
Posts: 16825
Loc: Deplorable in apple valley, ca
Originally Posted By: fields
Go to AZ and get the 20-50 for $2.00.
i can get the pep boys peoline for $1.80/qt!
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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#4629939 - 01/10/18 01:27 AM Re: Straigh weight on an oil burner? [Re: Chris142]
Shannow Online   content


Registered: 12/12/02
Posts: 39910
Loc: 'Stralia
Straight weight SHOULD have lower consumption due to lower volatility, and SAE30 is fine below freezing (not quite sure where the 40F came from, that's wrong).

If you can get it cheap, use it...but el cheapo 20W50, provided actually an API approved oil is fine too...I'd prefer a lighter straight for consumption, but try them.

Back in 1987 (my gap year), I worked in a service station, and the work vehicle was a 1973(?) ford Falcon ute, with the 250 with integral inlet manifold...it was a hideous oil burner. 3-400 miles per litre.

I convinced the boss to try a product on the Shelves, Nulon (Teflon) E10 worn engine treatment. It reduced consumption by easily 75%. It's different to any of the "permament" teflon treatments, is was a clearly visible colloidal looking stuff that had to be replaced each OCI.

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#4629943 - 01/10/18 01:36 AM Re: Straigh weight on an oil burner? [Re: fields]
Vladiator Offline


Registered: 01/04/16
Posts: 728
Loc: NC
Originally Posted By: fields
Go to AZ and get the 20-50 for $2.00.
OR go to Walmart and get 5qt jug of SuperTech 20w50 for $11.XX. But I personally would give Valvoline Max Life 15w40 a try. It's a High Mileage HDEO. Best of both worlds right there.
_________________________
Thicker oils give protection for severe operations such as driving in mountains, pulling a boat, dusty conditions, short trips, high rpm, overloading, overheating and overcooling. Thin oils give MPG.

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#4629969 - 01/10/18 03:50 AM Re: Straigh weight on an oil burner? [Re: Chris142]
dlundblad Offline


Registered: 09/30/13
Posts: 10048
Loc: Indiana
How much does it consume?
_________________________
03 Jeep WJ 4.0 199k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 145k Rotella T5 10w30 Fram TG3980


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#4630037 - 01/10/18 07:19 AM Re: Straigh weight on an oil burner? [Re: dlundblad]
Chris142 Offline


Registered: 06/05/03
Posts: 16825
Loc: Deplorable in apple valley, ca
Originally Posted By: dlundblad
How much does it consume?
1qt every 600 miles or so. Not terrible. It has slowly been getting worse over the years.


Edited by Chris142 (01/10/18 07:20 AM)
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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