Break in oil
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Break in oil

  1. #1
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    Default Break in oil

    I've about got this engine together. It's BBC NA all roller drag race only. The oil I'm going to use is Chevron Delo 400 LE 15W-40. API CJ-4. Whata think? With a NAPA Gold filter. On the break in, I ususlly run it 20 to 30 minutes. then inspect the filter, then change the oil fron dino to Mobil1. Does this sound about right?

    Looking at the jug label, I'm not sure this is dino oil. Anybody know? I was going to use it because I have it laying around.

    Tim

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    Senior Member Bubbletop409's Avatar
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    I think that Delo is for a diesel application, which should be fine for a new deal break in, since it has more of the anti-wear additives that were recently reduced in pass. car oils in general.
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    The fact that you're all roller instead of flat tappet will eliminate the chance of a cam going flat, virtually eliminating the need for ZDDP on break in.

    However, I run flat tappet so it's a must for my application.

    I ran the Joe Gibb's performance break in oil for the cam break in and the first two hours of engine operation. After that, I changed to Valvoline VR-1 20w-50.



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    I'm No Expert Shaun's Avatar
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    What i was told on my deal was that since my engine was full roller your pretty much just making sure the rings seal. The break-in (on the dyno) for my engine only lasted a few minutes and basically it looked like the rpms ran from 3-4K under a slight load. For break-in oil on mine i used VR1 20w-50 Racing oil. It's mad cheap at your local kragen, think it's like $3.99 a quart. After the break-in we ran a few pulls on that same oil to get a base. After than we changed oil/filter and ran the crap out of it. The racing oil also has zinc added, which i always hear guys mentioning when they are talking about a good conv oil.

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    Quote Originally Posted by Shaun View Post
    What i was told on my deal was that since my engine was full roller your pretty much just making sure the rings seal. The break-in (on the dyno) for my engine only lasted a few minutes and basically it looked like the rpms ran from 3-4K under a slight load. For break-in oil on mine i used VR1 20w-50 Racing oil. It's mad cheap at your local kragen, think it's like $3.99 a quart. After the break-in we ran a few pulls on that same oil to get a base. After than we changed oil/filter and ran the crap out of it. The racing oil also has zinc added, which i always hear guys mentioning when they are talking about a good conv oil.
    I'm pretty sure the zinc is only ABSOLUTELY needed for motors running flat tappet cams. However, the VR-1 oil is good shit...that's all I run in my motor. Definitely can't hurt.



    Quote Originally Posted by HammerDown
    Kendall L-427 Super Blu...extreme-pressure (ep) lithium complex keeps my thrusting balls happy
    Quote Originally Posted by back2k5 View Post
    Well I am putting in a nice stereo system in the Carrera...maybe Ill put on some rap and turn the scoop sideways

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    Yep. Special oil and/or additive is for flat-tappet only.

    And, if you WANT to run synthetic from birth, you can. Several tests have been done on break-in and found that myth to be untrue. The rings will seat just fine with whatever oil you want.

    Most all of the performance motors from the factory run synthetic from birth.

    I took the leap and put Mobil-1 in a 327 (now a 340 at .080 over) with forged SRP pistons, molly rings, flat-tappet cam, TrickFlow heads, etc, etc. Fired it first-time with the M-1 in it and some GM EOS (for the cam). Tested it after 200 miles (and two oil changes) and it had less than 5% leak-down in all cylinders.
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    I've heard the same thing of synthetic from birth. Never knew anyone that did it. I figured if I was going to change the oil after a few minutes running, may as well use the cheap stuff. The oil I mentioned earlier was free. Makes for a good throw away.

    Tim

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    Quote Originally Posted by River Rat 005 View Post
    I've heard the same thing of synthetic from birth. Never knew anyone that did it. I figured if I was going to change the oil after a few minutes running, may as well use the cheap stuff. The oil I mentioned earlier was free. Makes for a good throw away.

    Tim
    There's also no problem with switching back and forth. The metal doesn't care, as long as it has good oil.

    Use the LE as your "throw away" oil and put the good stuff in as soon as you feel up to it. Won't hurt a thing.
    Quote Originally Posted by gn7 View Post
    EFI is the wave of the future. There can be no denying it. Electronics have been on the leading edge of our entire lives. Not only os the magneto dead, but the standard issue CDI is wavering. Its all about total fuel, air AND spark control. Anybody that thinks its not has their head up their ass.


    2001 SleekCraft 30' Heritage SSB, open-bow mid-cuddy. 496HO / Bravo-I.

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    Pep Boy's straight 30wt for break in. Make three or four good, full pulls, get the oil temp up good and warm, then change oil and filter. If you're really liberal with moly and assy lube, change the filter after the first break in series on the dyno. Ther's no reason to put expensive oil in the first time out.
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    This won't be on a dyno. Wish it could. I'll fire it up on the trailer and let it run awhile, change the oil and filter, then I'm going to High Point next weekend. Any thoughts?

    Tim

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    Dont let it idle.
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    Quote Originally Posted by River Rat 005 View Post
    I've heard the same thing of synthetic from birth. Never knew anyone that did it. I figured if I was going to change the oil after a few minutes running, may as well use the cheap stuff. The oil I mentioned earlier was free. Makes for a good throw away.

    Tim
    I have with every motor I've ran and I believe the same holds true for my oldman. I usually don't chime in on these because everyone has their own theories. My 555 that I ran in TE never had a cylinder that leaked more than 3%. My Pontiac leaks at around 5-7% and these are numbers cold. Pontiac has a different ring package. Anyways, if I was going to run off the shelf oil it would be 10-40 Mobile 1 but I've heard the VR-1 is a good oil.. How long before your ready to put her in the water?
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    Quote Originally Posted by Brendellajet View Post
    Dont let it idle.
    It's a roller cam...why not?



    Quote Originally Posted by HammerDown
    Kendall L-427 Super Blu...extreme-pressure (ep) lithium complex keeps my thrusting balls happy
    Quote Originally Posted by back2k5 View Post
    Well I am putting in a nice stereo system in the Carrera...maybe Ill put on some rap and turn the scoop sideways

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