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#4482975 - 08/08/17 06:22 PM Diesel for Gas upper cylinder lubricant?
leroyd92 Offline


Registered: 01/21/14
Posts: 494
Loc: AZ
my landscapper did a lot of work @ the house today.

I caught him adding/ measuring some stuff from a 1 gallon can and adding it to the bulk tank in his truck.

We got talking and he said he uses " a little " diesel in all his 4 cycle stuff.

Quads,trucks,boat ect.

When i asked what " a little " was he said he adds 1 or 2 oz per gallon.

His bulk pump was 30 gallons and he added 1 qt today.

It kinda makes sense IF diesel is just oil.

Am i missing Something?


Edited by leroyd92 (08/08/17 06:23 PM)
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#4482994 - 08/08/17 06:53 PM Re: Diesel for Gas upper cylinder lubricant? [Re: leroyd92]
E150GT Offline


Registered: 03/11/12
Posts: 1096
Loc: San Antonio, TX
Diesel is a light oil...and it's cheaper than marvel mystery oil...
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#4483001 - 08/08/17 07:00 PM Re: Diesel for Gas upper cylinder lubricant? [Re: leroyd92]
leroyd92 Offline


Registered: 01/21/14
Posts: 494
Loc: AZ
I might Just go by myself a gallon of diesel wink
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#4483014 - 08/08/17 07:15 PM Re: Diesel for Gas upper cylinder lubricant? [Re: E150GT]
leroyd92 Offline


Registered: 01/21/14
Posts: 494
Loc: AZ
Originally Posted By: E150GT
Diesel is a light oil...and it's cheaper than marvel mystery oil...


Do you use diesel this way?
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#4483067 - 08/08/17 08:10 PM Re: Diesel for Gas upper cylinder lubricant? [Re: leroyd92]
BrocLuno Online   content


Registered: 09/06/15
Posts: 5513
Loc: Kalifornia Kollective
It used to be an idea that had widespread use. But with the advent of ultra-low sulfur diesel some of the lubricating qualities have gone down.

It'd be OK in a vehicle that does not have a CAT. With CAT in place, you will be adding ash to the CAT load as it burns off the residual oil (some % will always not burn) ...


Edited by BrocLuno (08/08/17 08:11 PM)
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#4486460 - 08/12/17 10:31 AM Re: Diesel for Gas upper cylinder lubricant? [Re: leroyd92]
leroyd92 Offline


Registered: 01/21/14
Posts: 494
Loc: AZ
Added 28 oz of diesel to my 27ish gallon tank in the expedition.

The motor is quieter during the high idle start. Everything else seems the same.

I kinda sorta feel feel more power when i go up huge incline on the way home. its a 4 mile steep incline, the only time i feel a difference is during the higher rpms.
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