Recent Topics
BMW Diesels
by Trix - 06/04/20 12:21 PM
Shell Rotella Gas Truck 0W-20 UOA Honda Civic
by Davejam - 06/04/20 11:50 AM
replacement tires for 2013 vw passat 2.5
by jstert - 06/04/20 11:04 AM
Communication with Castrol
by BTLew81 - 06/04/20 10:47 AM
How Often Do You Check Your Oil?
by Gebo - 06/04/20 10:04 AM
Slightly OT....shelf life of "boxed" oil containers
by nascarnation - 06/04/20 10:00 AM
choose tire
by John_Conrad - 06/04/20 09:57 AM
J35Y
by tbm5690 - 06/04/20 09:26 AM
Need help with CV Joint grease, very limited choices
by leoblack9 - 06/04/20 08:41 AM
Amsoil 0W20, 2016 Honda Accord V6
by Eddddd - 06/04/20 07:59 AM
New to me Ford Escape
by krz - 06/04/20 06:57 AM
Valvoline NG oil in a Diesel
by Aerojoe - 06/04/20 05:35 AM
bathroom toilet leaking help
by FirstNissan - 06/04/20 02:52 AM
Scored some NOS old dogs
by GMguy84 - 06/04/20 01:56 AM
Chevy Positraction 1057721
by rorty - 06/04/20 12:42 AM
Moving up to 5w30. How thick is too thick?
by BTLew81 - 06/03/20 11:15 PM
Renting UHaul Truck to Tow Your Own Trailer?
by Miller88 - 06/03/20 09:40 PM
Newest Members
Kernal, AB_Indian, rorty, Ghosty, zmann96
71604 Registered Users
Who's Online Now
88 registered members (aquariuscsm, 4WD, 14Accent, A_User55555, Anduril, 9 invisible), 2,042 guests, and 61 spiders.
Key: Admin, Global Mod, Mod
Forum Statistics
Forums67
Topics306,135
Posts5,288,107
Members71,604
Most Online4,538
Jan 20th, 2020
Donate to BITOG
Print Thread
Hop To
Supercharged engine oil #5255271 10/31/19 05:50 PM
Joined: Oct 2019
Posts: 11
S
Superbenz Offline OP
OP Offline
S
Joined: Oct 2019
Posts: 11
Hi everybody!
I'm writing from Italy, I'm a happy owner of a 1990 Mercedes W124 Coupé 300 24 supercharged with a Rotrex C30/94 that gives 350 hp at the crank.
Now I'm rebuilding the engine with Woessner forged pistons and other works needed.
On these cars it's recommended to use 10w40 oil but now I suppose I need something else.
My idea is to try with a 5w50 or 10w60 but I'm very undecided about this, there are too many options in the world of lubricant...
I greatly appreciate any advice!

Re: Supercharged engine oil [Re: Superbenz] #5255301 10/31/19 06:29 PM
Joined: Jun 2005
Posts: 14,392
bdcardinal Online Content
Online Content
Joined: Jun 2005
Posts: 14,392
How readily available is Liquimoly 5W50? Maybe that or Castrol 10W60.


2014 Ford Mustang GT Track Pack
1995 Ford Mustang GT

Ford/Mazda Parts Counter
NRA Benefactor Member
Opinions expressed are my own.
Re: Supercharged engine oil [Re: Superbenz] #5255361 10/31/19 07:51 PM
Joined: Aug 2019
Posts: 786
T
tundraotto Offline
Offline
T
Joined: Aug 2019
Posts: 786
Go with what the engine builder recommends...would be my choice.

Re: Supercharged engine oil [Re: Superbenz] #5255395 10/31/19 08:41 PM
Joined: Jul 2010
Posts: 23,688
Z
ZeeOSix Offline
Offline
Z
Joined: Jul 2010
Posts: 23,688
Originally Posted by Superbenz
On these cars it's recommended to use 10w40 oil but now I suppose I need something else.


10W-40 should be good ... thicker than anything used in engines with 350 HP in the USA. Why would you think you need thicker oil than 10W-40?

Re: Supercharged engine oil [Re: ZeeOSix] #5255560 11/01/19 02:05 AM
Joined: Oct 2019
Posts: 11
S
Superbenz Offline OP
OP Offline
S
Joined: Oct 2019
Posts: 11
Thank You for the answers,
Originally the engine was normally aspirated with 220hp,
I've installed last year a supercharger increasing considerably the power.
I think 10w40 is no longer sufficient for the new working conditions as higher temperature, more mechanical stress etc.

Re: Supercharged engine oil [Re: Superbenz] #5255629 11/01/19 06:24 AM
Joined: Dec 2016
Posts: 9,939
L
Linctex Offline
Offline
L
Joined: Dec 2016
Posts: 9,939
Originally Posted by Superbenz

I think 10w40 is no longer sufficient for the new working conditions as higher temperature, more mechanical stress etc.


No, it will be fine.

I ran Shell Rotella 15W-40 in my 700 HP twin-turbo Ford 351W (5.8 L) engine.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Supercharged engine oil [Re: Linctex] #5256152 11/01/19 06:06 PM
Joined: Oct 2019
Posts: 11
S
Superbenz Offline OP
OP Offline
S
Joined: Oct 2019
Posts: 11
OK, I will use Motul 300v 10w40 chrono, it seems to be one of the best oil available here in EU.
Thank you all!

Re: Supercharged engine oil [Re: Superbenz] #5256436 11/02/19 06:06 AM
Joined: Apr 2015
Posts: 626
Superflan Offline
Offline
Joined: Apr 2015
Posts: 626
It this a race car?


‘01 Peugeot Partner 1.9 D, 15W40 E7, 276000 Km, running straight WVO
Wife's '19 Suzuki Vitara 1.0 Boosterjet (TGDI), 5W40 A3/B4, 31000 Km
Backup ‘01 Toyota RAV4 3-dr 2.0 VVTi, 5W40 A3/B4, 170000 Km
Re: Supercharged engine oil [Re: Superflan] #5256542 11/02/19 08:58 AM
Joined: Oct 2019
Posts: 11
S
Superbenz Offline OP
OP Offline
S
Joined: Oct 2019
Posts: 11
No, no it's a street car.

Re: Supercharged engine oil [Re: Superbenz] #5256545 11/02/19 09:01 AM
Joined: Oct 2019
Posts: 11
S
Superbenz Offline OP
OP Offline
S
Joined: Oct 2019
Posts: 11
[quote=Superbenz]No, no, it's a street car.
But I would to use a very good quality oil and the correct viscosity after all the money I'm spending for rebuild the engine...

Re: Supercharged engine oil [Re: Superbenz] #5259727 11/06/19 08:34 AM
Joined: Apr 2015
Posts: 626
Superflan Offline
Offline
Joined: Apr 2015
Posts: 626
IIRC, 300V line oils aren't meant to be used in street cars, because can't stand the OCIs or something but I might be wrong.

Look on here there's a few 300V used oil analysis


‘01 Peugeot Partner 1.9 D, 15W40 E7, 276000 Km, running straight WVO
Wife's '19 Suzuki Vitara 1.0 Boosterjet (TGDI), 5W40 A3/B4, 31000 Km
Backup ‘01 Toyota RAV4 3-dr 2.0 VVTi, 5W40 A3/B4, 170000 Km
Re: Supercharged engine oil [Re: Superbenz] #5262479 11/09/19 12:05 PM
Joined: Oct 2019
Posts: 11
S
Superbenz Offline OP
OP Offline
S
Joined: Oct 2019
Posts: 11
Yes, You're right! Thank You

What oil would you feel to advise me ?
I'm a little confused...

Re: Supercharged engine oil [Re: Superbenz] #5262659 11/09/19 05:15 PM
Joined: Apr 2005
Posts: 779
M
Mitch Alsup Offline
Offline
M
Joined: Apr 2005
Posts: 779
The thing more important than the oil grade selected is an oil temperature gauge so you can see when the oil you have chose is getting thin.
This will do 2 things:
a) you won't want to run the engine hard until the oil is up to temperature (over 160ºF)
b) you won't want to run the engine hard when the oil is over temperature (over 275ºF)

Previous Thread
Index
Next Thread

BOB IS THE OIL GUY® Powered by UBB.threads™