break in/oil pressure question
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break in/oil pressure question

  1. #1
    Member Romper Stomper's Avatar
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    Default break in/oil pressure question

    Ok, I've done a few break ins on fresh engines (prob about 30 so far). I was told when I did my first one to fill the oil filter prior to installing (obviously), then, as told, I prime the motor until I register oil pressure and no more. I've always heard priming until you get oil out of the pushrods only washes off the assembly lube and actually makes for "more" of a dry start. I've read a lot of threads on here about it, and there seems to be a lot of people talking about not firing engines because of no oil coming out of the rockers when they initially prime them. Which way is right? My way makes sense to me because assembly lube is designed to break down in oil. Any ideas, or does it really matter in the first place?

    P.s. Mostly curious because I deal with a ton of flat tappet cams and not many rollers...
    Last edited by Romper Stomper; 09-08-2012 at 09:17 PM.

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  3. #2
    gn7
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    I could run a primer till hell froze over and not see a drop of oil out of the PRs. Maybe sometimes, but I never worry about it if it doesn't. Because it has never failed that when the engine fires, it will be flying out of the PRs. Part of what makes the oil come out the end of the PR is enertia. Take a soda straw half full of water of shake it up and down. Can you do that as fast as an idling engine? If the oil gets in the PR, it coming out the head end. I guarantee it! And 6000, more than you even want with roller rockers.

    But as for the washing off the assembly lube? Thats laughable. What do you do the next tiome after you fire it. Wheres the assembly lube then. You start it, and realize shit, I have a water leak and shut it down. Now, do you disassmble the engine and reapply assembly lube?
    Not sure what you're using for assembly lube, but the stuff I use is long gone within seconds of the engine fireing.

    You CANNOT over prime. But you MIGHT be able to under prime.



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  4. #3
    Member Romper Stomper's Avatar
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    Quote Originally Posted by gn7 View Post
    I could run a primer till hell froze over and not see a drop of oil out of the PRs. Maybe sometimes, but I never worry about it if it doesn't. Because it has never failed that when the engine fires, it will be flying out of the PRs. Part of what makes the oil come out the end of the PR is enertia. Take a soda straw half full of water of shake it up and down. Can you do that as fast as an idling engine? If the oil gets in the PR, it coming out the head end. I guarantee it! And 6000, more than you even want with roller rockers.

    But as for the washing off the assembly lube? Thats laughable. What do you do the next tiome after you fire it. Wheres the assembly lube then. You start it, and realize shit, I have a water leak and shut it down. Now, do you disassmble the engine and reapply assembly lube?
    Not sure what you're using for assembly lube, but the stuff I use is long gone within seconds of the engine fireing.

    You CANNOT over prime. But you MIGHT be able to under prime.
    Umm....thanks for the info? Basically all I got from that is, there is no point in using assembly lube and your shit leaks water.

    I asked a general question about a general subject just to learn. Everyone has a different idea and they aren't afraid to say it (obviously). I don't pretend to know everything because I probably never will. The person that told me what to is a VERY good engine builder and has built several engines for me and many more for almost everyone I know around here. I trust him, I just like bouncing ideas off people.

    I genuinely appreciate any FACTUAL OR THEORETICAL information imparted upon me. Asshole opinions can get shoved back up where they came from. IMHO.

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    gn7
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    I didn't say YOU said the lube would wash out. You clearly stated you were TOLD it will. I simply said SO WHAT? Who gives a shit if it washes out. Is your engine always going to be dependent on this mystery lube? It history within seconds of you firing the engine. Now what?

    Did you call me an asshole because I told you to not worry about the freekn lube? I try to remember that.
    If your so high on this "engine builder", why are you on some forum asking people you don't even know what their opinion is. You seem to have made your mind up based on his opinion before you even posted your thread.
    If your engine fails because you washed out the assmbly lube WITH MOTOR OIL, 5 minutes before you fired it, you have bigger problems than that! And you can tell you engine builder I said as much!



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    Last edited by gn7; 09-08-2012 at 10:25 PM.

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    Member Romper Stomper's Avatar
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    Quote Originally Posted by gn7 View Post
    I didn't say YOU said the lube would wash out. You clearly stated you were TOLD it will. I simply said SO WHAT? Who gives a shit if it washes out. Is your engine always going to be dependent on this mystery lube? It history within seconds of you firing the engine. Now what?

    Did you call me an asshole because I told you to not worry about the freekn lube? If your so high on this "enigne builder", why are you on some forum asking people you don't even know what their opinion is. You seem to have made your mind up based on his opinion before you even posted your thread.
    If your engine fails because you washed out the assmbly lube WITH MOTOR OIL, 5 minutes before you fired it, you have bigger problems than that! And you can tell you engine builder I said as much!
    People skills, dude...use them. I didn't call you an asshole because of differing engine lubes. You straight up made fun of me for asking a question. I'll defend my "guy" because the work he has done is proven. I don't ask for much more than that. All I want is information about how stuff works. If there is a difference of ideas, then I can weigh both sides and improve my knowledge. "Do this, do that" commentary doesn't tell me shit. I only ask you guys because it seems like y'all really know your shit. Hence, the opinion comment. Which I stand by, btw. Wasn't trying to start shit, but you really came on pretty hard.

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    Senior Member ICECREAMAN's Avatar
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    Maybe there should be a disclaimer for this section like there is for the PRF section. Something like,

    "Answers can be direct and to the point. Advice here is free, so you get what you pay for. If you want your response to be NIIIIICE, M/C, Visa and Pay Pal are accepted payment methods"

  9. #7
    gn7
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    Quote Originally Posted by ICECREAMAN View Post
    Maybe there should be a disclaimer for this section like there is for the PRF section. Something like,

    "Answers can be direct and to the point. Advice here is free, so you get what you pay for. If you want your response to be NIIIIICE, M/C, Visa and Pay Pal are accepted payment methods"
    FlyBryan didn't much care for my opinion on a rusty cylinder a few months back, and let me know as much. Oh well. So now he is one less person I don't have to give an opinion to.
    You could have told me I was an asshole for the opinion I had on your manifold and I could have scored 100% tonite.
    I guess I could have been a real asshole and just simply said "who ever told that is full of shit" and left it at that. I only tried to explain why it makes no difference if its oil everywhere or assembly lube when you hit the key. WTF does it matter?

    For a small fee, I might be able to be little ole lady nice. Maybe we should try that. Maybe we could use PayPal.



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    Last edited by gn7; 09-08-2012 at 10:57 PM.

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    don't worry about it man...GN7 is a grumpy old dude that likes to get people going....but he really knows his shit. I for one think he is hilarious

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    Yep-Bob is old school-So am I. -Ask a question on this forum and you get a straight answer. NOT sugar coated or pollitically correct.-What a relief from all the bull shit. Some folks need to go back to school and retake reading comprehension 101, so they don't get all butt hurt when they misread responses to their questions. People skills? Come-on, are you so thin skinned, you can't take a little confrontation and ribbing in jest? :
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    Holy crap! From what I read, GN7 gave his opinion AND an example of a real world situation. He told you the oil is just as good as assembly lube at lubricating the bearings. At least thats what I read. I get what you're saying about people skills,but he DID answer your question.

  13. #11
    Member Romper Stomper's Avatar
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    Quote Originally Posted by Ronboats View Post
    Holy crap! From what I read, GN7 gave his opinion AND an example of a real world situation. He told you the oil is just as good as assembly lube at lubricating the bearings. At least thats what I read. I get what you're saying about people skills,but he DID answer your question.
    Damn, I guess all that did escalate pretty quickly. IDK, the way it came off to me was like gn7 saying "Hey! Everybody come look at this asshole over here! He don't know nuthin! Yahuck!". It just really got under my skin. Maybe he didn't mean it like that, but that's how I took it.

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    Assembly lube is just that, used for assembly, not for moving part lubrication. As for pre-lube, more is always better than less, same cannot be said for assembly lube. Most all of the assembly lube collects in the pans and filter, and does nothing for you after it leaves the applied surface. Oil is the front line of defence when it comes to wear prevention.
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    Man! just look at it this way. The ass lube is to protect the bearings & sh-t up while you rotate the engine over while you set the cam & stuff up. Prelube the hell out of it and immediately fire it up, you'll be fine. End of the BS! that simple.
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  16. #14
    Member Romper Stomper's Avatar
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    Quote Originally Posted by gn7 View Post
    Thats the way I saw it. I'm not running for political office and not trying to sell anything. Not looking for "like" on Facebook.The OP is not alot different than FlynBryan. He didn't much care for my first post on his thread either and had not problem telling me so. He sure didn't like the ones that followed. Enough so that he deleted all his posts on the thread.You tell me if I was an asshole in my first response to his question. LINK: FlynBryan's rusty cylinder thread
    After re-reading my now completely fucked thread, I realize that I took shit the wrong way. When I read the second paragraph of your first post, I honestly thought you were openly making fun of me, and I immediately went into "fuck this guy" mode. I was wrong. You have to admit, though, there were some typos in your subsequent posts that could be easily misconstrued if not read properly. I crossed the line and I apologize. I really thought you were being an Ahole for no reason.

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