Break in oil duration

[saw2]

Hey,

Just done cam break in on rebuilt engine according to Engle instructions using Brad Penn 30 wt. break in oil. Now for oil and filter change. Should I use B Penn 30wt break in oil again or go right to 10-30 wt regular B Penn which will be whats normally used? Plan on changing again at 300 miles.

Thanks. Saw2

[mark tucker]

I do 1 oil &filter change after 30-40 min.then another after about 1 hour more, let cool over night, check valve adjustment&flog it good.change oil&filter again that night. and in about a week change oil & filter to synthetic oil. I dont use "break" in oil , just mollycam lube mixed with synthetic gear lube&the red stuff engle has with it.I use cam shield molly now.& thier zinc addtive now also for break in. havent had any issues beore or after using it..you shouldnt need the break in oil after breakin, if you want you can split it for the first change. 1 reason for not using it is the zinc causes carbon buildup.when crane cams was selling it the bottle had a warning not to use execpt for breakin due to the carbon /zinc buildup in the chambers&piston rings.( I think thats the reason it went away in the first place)
oil is cheep motors arnt.I use the cheepest oil I can(name brand) for breakin,as it is mostly for flushing the particulate out and into the filter, thus the reason for changing so offten on new motor.if you cant afford the oil just change the filter a few times(just about any cheep filter will do to catch the stuff in a short time)dont run filter too long as the bypass will open and all the unfiltered oil will go to your bearings.(molly does and will clog the filter in a very short time causing the filter bypass to open)good luck with your new motor.have fun& dont get cought

[yamaducci]

Yeah your done with break in oil Go to Penn Grade 1 if you are sticking with BradPenn. Always use a higher zinc oil designed for older flat tappet cams. If it says street legal do not use it. It won't have enough ZDDP. Changing on Marks schedule works fine too just make sure the engine is cold over night to adjust valves. Then run it up a tall hill a few times under load and a little off and on the throttle letting the engine "Brake" you when you let off.
The rings will be seated shorty.
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[DarthWeber]

X2 on switching to "regular" Brad Penn. Penn Grade 1 0W-30 should be fine if you are in the USA where it's winter time.
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[mark tucker]

darth that must be a small sump there just to hold 1 0w-30. be carful there dont over fill it!! yes Im messen with ya.

[DarthWeber]

[jtwaller]

I love how Mark has time tables like "week" instead of miles. I drive mine 600 miles a week. I guess my time table is a half week on "break in" oil. Git'er dun, Mark!
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