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Engine Break in..

Posted by 1g8420a, Nov 3, 2012

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  1. 1g8420a

    1g8420a Awaiting Email Verification

    Joined Nov 19, 2011
    Fort Riley, Kansas
    I got an engine being built and I wanted to see some opinions on how you all would break in the engine.. Also What oil would you use for the initial break in period. I bought just regular Mobil 5w 30 conventional and got some Lucas Oil Break in Additive would anyone recommend that usage? I read on the back of the Lucas bottle that it says may cause catalytic converter damage on "post 1994' vehicles.
  2. crazyquik22023

    crazyquik22023 Proven Member

    Joined Sep 14, 2008
    Akron, Ohio
    I wouldn't even use the lucas stuff. I would run brad penn break in oil for 1000 or so miles. Change it then run brad penn normal oil or break in oil again for 3000 miles then change and run brad penn oil or whatever oil you like to run. Don't drive the car too light or too hard. As for the weight it depends on what type of weather you live in and what type of engine it is.

    850  0

    1998 Mitsubishi Eclipse GST
    12.900 @ 115.000 · 2G DSM
  3. NHerron

    NHerron Proven Member

    Joined Nov 5, 2011
    Missoula, Montana
    I second the brad penn break in oil. And brad penn in general. Only thing is, you can't run it in a car with a catalytic converter. But if you don't have emissions just delete the cat/hog it out/whatever because that oil is some good stuff.

    You don't need to idle the car/hold it at xx rpm/baby it or any of that BS. Just drive it and check for leaks/overheating/etc. Change the oil/FILTER after 100miles or less since the rings are breaking in.

    1K  0

    1997 Mitsubishi Eclipse GSX
    11.230 @ 127.000 · 2G DSM
  4. LeeSD1

    LeeSD1 Proven Member

    Joined Jun 26, 2012
    Miami, Florida
    Yeah I would change the oil at about 100 miles then run fresh oil and filter for another 500-800 miles then change it again and run what ever you like.
  5. 1g8420a

    1g8420a Awaiting Email Verification

    Joined Nov 19, 2011
    Fort Riley, Kansas
    Ok So I am returning the Lucas Break in additive.. What do you recommend since I live in CA and we have some of the harshest smog laws. As far as what oil that I should use that would be more beneficial for my Catalytic Converter..? thanks.

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