Engine break-in oil or reg (both with ZDDP) in a new motor?
#2627726
03/02/19 12:14 AM
03/02/19 12:14 AM
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Joined: Apr 2012
Posts: 1,565 Macomb, MI
vinnyd76
OP
pro stock
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OP
pro stock
Joined: Apr 2012
Posts: 1,565
Macomb, MI
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Looking for input on engine oil preference for a new motor. Do you prefer engine break-in oil (e.g. Brad Penn Oil) or regular oil (20W50 OR 10W30) with ZDDP additive on a freshly built Mopar 340, 440, etc..
How long do you like to leave the oil in before the 1st change?
Last edited by vinnyd76; 03/02/19 12:16 AM.
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Re: Engine break-in oil or reg (both with ZDDP) in a new motor?
[Re: vinnyd76]
#2627761
03/02/19 01:51 AM
03/02/19 01:51 AM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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No info on the best (breakin) oil but I would change it right after the 30 minute breakin along with a wix filter. Some good ring breakin info, go to www.mototuneusa.com & scroll down to & click on "breakin secrets".
live every 24 hour block of time like it's your last day on earth
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Re: Engine break-in oil or reg (both with ZDDP) in a new motor?
[Re: vinnyd76]
#2627773
03/02/19 02:27 AM
03/02/19 02:27 AM
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Joined: Jan 2003
Posts: 27,421 Balt. Md
383man
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Too Many Posts
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Balt. Md
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I have always used Valvoline VR1 racing oil and a bottle of zinc additive when breaking in a new eng and flat tappet cam. I have never wiped a cam lobe. Course I don't build as many engines as a machine shop but my sons eng and my last 2 engines were all broken in that way with no problems. I also use the Valvoline VR1 racing oil all the time in my engines. Ron
Last edited by 383man; 03/02/19 02:28 AM.
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Re: Engine break-in oil or reg (both with ZDDP) in a new motor?
[Re: vinnyd76]
#2627974
03/02/19 05:03 PM
03/02/19 05:03 PM
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Joined: Jan 2003
Posts: 20,892 A collage of whims
topside
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,892
A collage of whims
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Last few of mine have been flat-tapped (hyd or mech). Haven't used a specific break-in oil, but have added a bottle of the GM EOS. (I bought the last 10 bottles of that in my area a few years back, as I'd heard the formula was being changed.) Nothing crazy on valve spring pressures, though those engines were pretty stout - usually around .510-.540 lifts, 130# seat pressures & around 400# max - but zero problems with any of them. Didn't remove any valve springs (I always use double springs). Napa Gold filters, either the Gibbs/Driven "HotRod" oil or Lucas, 10W-30. Local engine guru who does a lot of circle-track stuff sends oil out for testing & says the Lucas stuff is very consistent quality & amounts of ZDDP & etc. Initial break-in is usually around 30 minutes, varying RPM & watching everything like a nervous Mom, haha. After that I like to pull the filter & cut it open. Generally change the oil within a few hours or 100-ish miles, cheap insurance. You'll generally see some debris in the 1st filter, maybe including some particles off the valve springs.
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Re: Engine break-in oil or reg (both with ZDDP) in a new motor?
[Re: DaytonaTurbo]
#2628814
03/04/19 06:48 PM
03/04/19 06:48 PM
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Joined: Jan 2003
Posts: 16,376
dogdays
I Live Here
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I Live Here
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Posts: 16,376
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Driven Racing Oil 01806 - Joe Gibbs Driven BR Break-In Motor Oil $7.99 a quart from Summit. Or use another brand of oil strictly developed for break-in. It doesn't cost any more, or just a little bit more. Use the right tool for the job! Why mess around with regular oil with additives that might fight each other, or Diesel oils with very high detergent levels that prevent the ZDDP from sticking to the parts? I also don't understand the 20W50 oil after break-in. Maybe you should just pour some gear oil in because it's thicker? Remember that the oil has to be thin enough to get into very small clearances.
R.
Last edited by dogdays; 03/04/19 06:50 PM.
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Re: Engine break-in oil or reg (both with ZDDP) in a new motor?
[Re: vinnyd76]
#2628927
03/05/19 12:00 AM
03/05/19 12:00 AM
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Joined: Feb 2004
Posts: 855 ontario canada kingston
aspenrt360
super stock
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super stock
Joined: Feb 2004
Posts: 855
ontario canada kingston
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I do 2-3 engines a year all flat tappet mopar's either for myself or my buddies i run a good name brand oil 10w30 or a 10w40 with some kind of zinc additive added to it, never have wiped a cam ever. i think a lot of issues are lack of prelube not getting the motor fired off right away not priming the engine or not making sure the lifters turn in their bores. another thing is too much spring pressure for break in. i take a lot of time to ensure the lifters turn freely i hone the lifter bores too most of the time. i break in the cam for about 20 min then take it for a couple of drives no more than 50 miles or so then dump the oil put in some fresh with a new filter and another zinc additive and that's it. this has worked for me others may have other stuff that works for them.
2013 Chrysler 300 touring 1974 Dodge Charger SE. 360-727-8.75-3.23 sure grip 1972 Dodge Dart Swinger 1995 Dodge Ram 1500 4x4
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Re: Engine break-in oil or reg (both with ZDDP) in a new motor?
[Re: aspenrt360]
#2628948
03/05/19 12:59 AM
03/05/19 12:59 AM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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X2 on checking rotation with a speed handle/inner spring removal/immediate fireup. Quality for the most part is declining so anything to put the odds better is a good plan.
live every 24 hour block of time like it's your last day on earth
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Re: Engine break-in oil or reg (both with ZDDP) in a new motor?
[Re: dogdays]
#2629135
03/05/19 01:42 PM
03/05/19 01:42 PM
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Joined: Feb 2003
Posts: 21,318 Manitoba, Canada
DaytonaTurbo
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Too Many Posts
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Posts: 21,318
Manitoba, Canada
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I also don't understand the 20W50 oil after break-in.
I'm with you there. I always ran 10w30 in mine and never had a low oil pressure problem. I tried 15w40 once and on a cool fall day the engine labors quite a bit harder pumping that stuff. Enough to notice.
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Re: Engine break-in oil or reg (both with ZDDP) in a new motor?
[Re: 383man]
#2629193
03/05/19 03:06 PM
03/05/19 03:06 PM
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Joined: Jan 2003
Posts: 2,094 central texas
krautrock
top fuel
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top fuel
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Posts: 2,094
central texas
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I have always used Valvoline VR1 racing oil and a bottle of zinc additive when breaking in a new eng and flat tappet cam. I have never wiped a cam lobe. Course I don't build as many engines as a machine shop but my sons eng and my last 2 engines were all broken in that way with no problems. I also use the Valvoline VR1 racing oil all the time in my engines. Ron you break-in without the inner valve springs?
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