RE: Break-in and first oil change
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RE: Break-in and first oil change - 2/26/2007 10:46:44 PM
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EMonz57
Posts: 11693
Joined: 5/13/2005
Status: online
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quote:
ORIGINAL: Manybrews
quote:
ORIGINAL: Sebba
Manybews: Come on man you are a smart dude. How can you not see this. When you first turn the key there is an incredible amount of friction and its needed for a reason, to seat the rings. Without it, you dont have a good ring seal and you end up losing power and oil gets past the rings. It makes perfect sence. Not to mention, in the first few mins that the engine runs, the friction shaves off the little metal fragments from the cylinder wall and the rings and that ends up back in the oil.. and that goes round and round your engine. That is extremely bad if you ask me. Especially a turbo car because these tiny fragments can have a big impact on your turbo life. A good portion of the turbo DSM members know how easy it is for turbos to **** up with minor things in the oil.
You cant deny fact. I would trust a person that race prepares engines... (and wins!) over any "easy break in" instuction manual.
I have rebuilt and broken in many small displacement 4 stroke motors before and have always used and never questioned this method. Even the manufacturer recomends moto-mans theory. How can you argue with that?
EMonz where are you when i need you!!!
ive worked on cars for 15 years.
there is no reason at all to "change oil" after 20 miles. its an utter waste.
there is no more wear on the car when first started after assembly than when first started at 100,000 miles. The engines are machined/assembled perfectly. They arent assembled "dry". They are saturated with the same lubrication they are filled with.
Trust me, you do nothing of benefit to change the oil at 20 miles. Ive built hundreds of motors, and driven 10s of thousands of cars (race cars, normal cars, motorcycles, classics, etc). My own diamante has 203000 miles on the completely original engine and trans. Nothing has ever had to be done to it other than maintenence. It leaks nothing/burns nothing. It has had its oil changed every 4000 +/- miles since new.
That is all people need to do.
Although I agree here i do agree with sebba to an extent. I would never run the factory oil from 0 miles on the odo to 3k or above. I personally wouldnt say 20 miles but hey its not like your hurting anything by doing it so soon. I do my oil every 1500 miles religously and I run synthectics but I aslo do my oil alot sooner than need be. I just like t know I am clean and lubed up good lol. either way I dont care if you change it every 50 miles your only helping the cause ... yes spending money more than you need to for oil changes but t never hurts thats for damn sure
_____________________________
1993 Supra 6spd(OOOO\ ..... /OOOO)
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RE: Break-in and first oil change - 2/27/2007 6:25:08 PM
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Manybrews
Posts: 765
Joined: 5/23/2003
From: United States
Status: online
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quote:
ORIGINAL: Sebba
Well thats your choice. Personally i dissagree with it. I 100% guarentee it that if you pull your oil pan off you will see shiney metal peices.
Or you can buy those oil pan magnets that you stick to the bottom of your oil pan that catches all the metal fragments.. then when you go to change your oil you will see the amount of oil built up.
I dont care wha the manufacturer says. Moto man is right.
you will see the same "shiny metal peices" on every oil change, as there is obviously wear that takes place all the time. Oil is not without some friction, albiet tiny.
the oil filter will catch anything large enough to damage the engine, unless neglected.
you really dont see any major "metal peices" when you pull off an oil pan unless somethings already shot.
seriously, if there was benefit to it, it would be recommended. No one recommends it, because after 100 years of designing, engineering, and building engines all the manufacturers on the planet know there is no need nor reason to change the oil instantly upon purchase of the car.
If it actually had some real value, it would be recommended as it would only save the company warranty costs in the long run.
If you're happy changing oil at 20 miles, feel free.. It certainly wont hurt anything. But its not doing anything but spending your money.
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