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Redline Break-in Additive on rebuild engine ? #4672752
02/21/18 08:30 AM
02/21/18 08:30 AM
Joined: Jan 2018
Posts: 7
Bangkok, Thailand
taoybb Offline OP
taoybb  Offline OP

Joined: Jan 2018
Posts: 7
Bangkok, Thailand
Hello, I'm currently about to break-in my freshly rebuild engine. I just search through internet and found a Redline Break-in Additive (https://www.redlineoil.com/engine-oil-break-in-additive). I tried search info on it and don't really get a clear answer should I use it or not. Some people say yes and some say no.

I have two engine first one is 2AZ-FE camry's engine, partial rebuild. new piston+ring,rod,bearing but old camshaft. And another engine is RB26 with similar to previous one, except upgraded camshaft (High profile+lift), valve+spring.

Should I use this additive in my engine? Will I get any real benefit from it? I would like to break-in it properly because both of them will be boosted engine.


Thanks smile

Re: Redline Break-in Additive on rebuild engine ? [Re: taoybb] #4672952
02/21/18 10:55 AM
02/21/18 10:55 AM
Joined: Oct 2014
Posts: 13,753
Canyon County Idaho
CT8 Offline
CT8  Offline

Joined: Oct 2014
Posts: 13,753
Canyon County Idaho
Engines break in no matter what you do. What does the cam manufacture recommend for its cams?. Run the Redline in both engines with the highest quality oil you can get.


2015 F150 2.7
2018 F350 6.2
Re: Redline Break-in Additive on rebuild engine ? [Re: taoybb] #4672961
02/21/18 10:59 AM
02/21/18 10:59 AM
Joined: Sep 2015
Posts: 6,204
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline

Joined: Sep 2015
Posts: 6,204
Kalifornia Kollective
The best break-in additive is GM EOS. But it is not easy to find. Redline's is next best. Both are a known product and used by engine builders.

But equally important is the oil they go into. Breaking in new rings is usually best done on conventional oil. I know from first hand experience that either additive will work well in Chevron Supreme 10W-30. I have no evidence of additive clash. Have used EOS and Supreme to break in maybe 20 engines over that many years. Can't speak to other oils with either additive.

OTOH, your engine likely does not need the additive. They are not traditional flat tappet V8's. They will likely live just fine with any good oil smile


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Redline Break-in Additive on rebuild engine ? [Re: taoybb] #4672989
02/21/18 11:14 AM
02/21/18 11:14 AM
Joined: May 2011
Posts: 89
Des Moines, IA
Loi Offline
Loi  Offline

Joined: May 2011
Posts: 89
Des Moines, IA
Use Motul Break in Oil 10w40 if you can find it in your area. If not, Redline Break in additive is fine.

Last edited by Loi; 02/21/18 11:14 AM.

'05 GDB STI
'16 VAB STI
Re: Redline Break-in Additive on rebuild engine ? [Re: taoybb] #4673020
02/21/18 11:29 AM
02/21/18 11:29 AM
Joined: Jun 2005
Posts: 3,541
Massachusetts
deven Offline
deven  Offline

Joined: Jun 2005
Posts: 3,541
Massachusetts
I have used many many additives. I prefer BG MOA Part 110 or 115(synthetic base).


Proud user of ROYAL PURPLE products!

2019 BMW 330i X-drive(Factory Fill)

KEEP IT SIMPLE STUPID. IT'S ONLY OIL
Re: Redline Break-in Additive on rebuild engine ? [Re: taoybb] #4673180
02/21/18 01:12 PM
02/21/18 01:12 PM
Joined: Jun 2002
Posts: 20,013
Iowegia - USA
MolaKule Offline
Global Moderator
MolaKule  Offline
Global Moderator

Joined: Jun 2002
Posts: 20,013
Iowegia - USA
Or you can use any of the Break In oils such as:

https://www.amsoil.com/shop/by-product/motor-oil/racing/break-in-oil-(sae-30)/


if you do use the Redline, don't overdose the MO since your MPO already has ZDDP in it..

Last edited by MolaKule; 02/21/18 01:14 PM.

Science is about objective reality, not consensus.
Re: Redline Break-in Additive on rebuild engine ? [Re: taoybb] #4784396
06/11/18 10:14 PM
06/11/18 10:14 PM
Joined: Jan 2018
Posts: 7
Bangkok, Thailand
taoybb Offline OP
taoybb  Offline OP

Joined: Jan 2018
Posts: 7
Bangkok, Thailand
Thanks to all you guy, I haven't online for awhile but just already try call to Redline. They said for modern engine isn't necessary but it's still give a extra protection if add to the oil while breaking-in. My both engine just finish then I will try this additive.

Thanks again smile

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