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E85 and motor oil #4477085
08/02/17 03:27 AM
08/02/17 03:27 AM
Joined: Aug 2017
Posts: 5
Sweden
Spang Offline OP
Spang  Offline OP
Joined: Aug 2017
Posts: 5
Sweden
I have a general question, what motor oil do you recommend when using E85 fuel in old V8 type street/strip engines?
I am thinking of API-class or something like this, not specific brands.
Is there a good “one size fits all” oil out there?

Chevy BB 454-632ci
Flat tappet cam/Roller-cam
NA, Boost, NOS

15W/40 or 20W/50?

1250-2000 miles oil change intervals.

Re: E85 and motor oil [Re: Spang] #4477104
08/02/17 05:12 AM
08/02/17 05:12 AM
Joined: May 2012
Posts: 5,363
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline
Joined: May 2012
Posts: 5,363
Fort Lauderdale, FL
VR1 20-50.

Talk to the engine builder of course, but your not going to find a more appropriate oil for a nasty BBC running an alternative fuel, unless you go really exotic.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: E85 and motor oil [Re: DoubleWasp] #4477123
08/02/17 06:19 AM
08/02/17 06:19 AM
Joined: Aug 2017
Posts: 5
Sweden
Spang Offline OP
Spang  Offline OP
Joined: Aug 2017
Posts: 5
Sweden
I build my own engines.
I have been using E85 and "gasoline oil" a few years without any problem.
But now i have had an oil problem with a supercharged engine.
The intake gaskets were leaking into the crankcase, and some E85 got into the oil.
Many camshaft lobes show signs of bad wear now.
Maybe I can use it a few more miles, but it needs to be replaced soon.
(I wonder how the bearings are? Good oil pressure and the engine sound was good. I will check it when I replace the cam.)

So, I was thinking if there is an oil out there that will keep lubricate the engine with some E85 in it? Not much E85 of cause, but a better oil than "gasoline oil".

I believe this engine had not got so bad if i been running gasoline on it?

Re: E85 and motor oil [Re: Spang] #4477124
08/02/17 06:23 AM
08/02/17 06:23 AM
Joined: Aug 2017
Posts: 5
Sweden
Spang Offline OP
Spang  Offline OP
Joined: Aug 2017
Posts: 5
Sweden
Thank you DoubleWasp.
I missed to read your oil recommendation!
I will google it right now.

Re: E85 and motor oil [Re: Spang] #4477127
08/02/17 06:33 AM
08/02/17 06:33 AM
Joined: Mar 2015
Posts: 5,142
Glendale, Arizona
billt460 Offline
billt460  Offline
Joined: Mar 2015
Posts: 5,142
Glendale, Arizona
Originally Posted By: Spang
So, I was thinking if there is an oil out there that will keep lubricate the engine with some E85 in it? Not much E85 of cause, but a better oil than "gasoline oil".


Not to go off topic. But I have the flight operation manual for the P-47 Thunderbolt WW II fighter. On one of the pages it mentioned a "Fuel Dilution Switch", for cold weather operation in Europe during Winter months. By holding this switch on for a prescribed number of seconds, it would deliberately dilute the engine oil with gasoline, to thin it in order to aid cold weather starting. Supposedly this fuel would evaporate off when the Pratt & Whitney R-2800 radial engine got up to operating temperature. It didn't damage the engine in any way. So I wonder why the same wouldn't hold true for an automotive engine with fuel diluted in the oil?

Re: E85 and motor oil [Re: billt460] #4477149
08/02/17 07:33 AM
08/02/17 07:33 AM
Joined: Aug 2017
Posts: 5
Sweden
Spang Offline OP
Spang  Offline OP
Joined: Aug 2017
Posts: 5
Sweden
Thin oil with gasoline, never heard of that before. Interesting!
But if you do this with E85 and wrong oil you may loose lubricating.

Re: E85 and motor oil [Re: Spang] #4477175
08/02/17 07:57 AM
08/02/17 07:57 AM
Joined: Mar 2015
Posts: 5,142
Glendale, Arizona
billt460 Offline
billt460  Offline
Joined: Mar 2015
Posts: 5,142
Glendale, Arizona
Originally Posted By: Spang
Thin oil with gasoline, never heard of that before. Interesting!
But if you do this with E85 and wrong oil you may loose lubricating.


That may very well be true. I have no idea of the difference between 130 / 160 Av Gas, as opposed to E-85 Ethanol. As far as any lubrication value is concerned. I know that Av Gas is heavily leaded, even today. And lead has a certain amount of lubrication quality.

Re: E85 and motor oil [Re: Spang] #4477227
08/02/17 09:02 AM
08/02/17 09:02 AM
Joined: Jul 2011
Posts: 259
SE Michigan
MichiganMadMan Offline
MichiganMadMan  Offline
Joined: Jul 2011
Posts: 259
SE Michigan
Just out of curiosity, what are you doing with a big block Chevrolet in Sweden? My memory of fuel prices there was that they were "breathtaking". A supercharged big block is going to drink fuel like a fish.


2015 Chevrolet Impala
2008 Subaru Impreza STI
2004 Suzuki Hayabusa
1987 Honda VFR700F2
2011 Jonsered 2188 Chainsaw-The Judge.
Re: E85 and motor oil [Re: Spang] #4477268
08/02/17 09:50 AM
08/02/17 09:50 AM
Joined: Sep 2015
Posts: 5,839
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 5,839
Kalifornia Kollective
Yeah, but the grins are epic laugh

Redline oil here is what a lot of alcohol dragster guys run. Over there, Motul 300V would be easier to find and cheaper.

E-85 cars are an unintended blessing of the green crowd. Alcohol motors on the street, yah whoo laugh

Ask the Speedway bike motor builders what they are running. They have alcohol getting in the oil all the time ...


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: E85 and motor oil [Re: MichiganMadMan] #4477282
08/02/17 10:04 AM
08/02/17 10:04 AM
Joined: Aug 2017
Posts: 5
Sweden
Spang Offline OP
Spang  Offline OP
Joined: Aug 2017
Posts: 5
Sweden
We are many crazy gearheads here in Sweden.
Fuel price is about $5 per gallon E85 and gasoline $6,70.
Racing fuel $25.

Re: E85 and motor oil [Re: billt460] #4477326
08/02/17 11:13 AM
08/02/17 11:13 AM
Joined: Dec 2013
Posts: 3,686
Massachusetts
turtlevette Offline
turtlevette  Offline
Joined: Dec 2013
Posts: 3,686
Massachusetts
Originally Posted By: billt460
Originally Posted By: Spang
So, I was thinking if there is an oil out there that will keep lubricate the engine with some E85 in it? Not much E85 of cause, but a better oil than "gasoline oil".


Not to go off topic. But I have the flight operation manual for the P-47 Thunderbolt WW II fighter. On one of the pages it mentioned a "Fuel Dilution Switch", for cold weather operation in Europe during Winter months. By holding this switch on for a prescribed number of seconds, it would deliberately dilute the engine oil with gasoline, to thin it in order to aid cold weather starting. Supposedly this fuel would evaporate off when the Pratt & Whitney R-2800 radial engine got up to operating temperature. It didn't damage the engine in any way. So I wonder why the same wouldn't hold true for an automotive engine with fuel diluted in the oil?


Thank you, info like this makes the board worth reading.


USA-1
Re: E85 and motor oil [Re: Spang] #4477363
08/02/17 12:07 PM
08/02/17 12:07 PM
Joined: Dec 2006
Posts: 340
Texas
mpersell Offline
mpersell  Offline
Joined: Dec 2006
Posts: 340
Texas
E85 ethanol likes to suck up a lot of water out of the air. The GF5 rating is said to deal with the water. I don't know that you'll get the dampening, hths requirements for the fuel dilution you're talking about from the typical GF5 rated oil.


2016 Kia Soul - Amsoil
2017 Tundra - Amsoil
Making a living with free software
Re: E85 and motor oil [Re: billt460] #4477411
08/02/17 12:50 PM
08/02/17 12:50 PM
Joined: Feb 2009
Posts: 8,776
Texas
440Magnum Offline
440Magnum  Offline
Joined: Feb 2009
Posts: 8,776
Texas
Originally Posted By: billt460
Originally Posted By: Spang
So, I was thinking if there is an oil out there that will keep lubricate the engine with some E85 in it? Not much E85 of cause, but a better oil than "gasoline oil".


Not to go off topic. But I have the flight operation manual for the P-47 Thunderbolt WW II fighter. On one of the pages it mentioned a "Fuel Dilution Switch", for cold weather operation in Europe during Winter months. By holding this switch on for a prescribed number of seconds, it would deliberately dilute the engine oil with gasoline, to thin it in order to aid cold weather starting. Supposedly this fuel would evaporate off when the Pratt & Whitney R-2800 radial engine got up to operating temperature. It didn't damage the engine in any way. So I wonder why the same wouldn't hold true for an automotive engine with fuel diluted in the oil?


Pretty much all the allied aircraft had that option. I've seen it in manuals for the P-38 (Allison V1710) also. But you gotta remember, those engines used a pretty different oil chemistry than a modern car. Virtually ZERO dispersants, and no ZDDP. Almost a straight mineral oil. The engine internals were designed to survive all that- roller cam followers, and different bearing alloys (a lot more silver) than even modern Babbit bearings, let alone the more common aluminum bearings found now. You can't really compare one to the other.


'66 Dodge Polara & '69 Dodge Coronet R/T both 440/727
'08 Ram 1500 4.7/545RFE
'12 Challenger SRT8 392/6-speed
'99 XJ 4x4 4.0/AX15, '14 WK2 4x4 3.6/8HP
Re: E85 and motor oil [Re: Spang] #4477597
08/02/17 05:03 PM
08/02/17 05:03 PM
Joined: Jan 2005
Posts: 5,659
Charlotte, NC
Oldmoparguy1 Online content
Oldmoparguy1  Online Content
Joined: Jan 2005
Posts: 5,659
Charlotte, NC
Prolly way OT...... In northern Michigan Back in the 30's, 40's and early 50's, our old chevys with the babbitted dipper rods called for 20 in the summer, 10 in the winter and if it got below 0f, recommended to add a quart or 2 of kerosene to the oil. That was in northern MI, and IIRC, there was no winter rated oil until the 50's.


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