I have only 768 miles on her.. should she still be burning oil?
She's not smoking like last time.. so.. When does the motor usually quit burning? :p
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I have only 768 miles on her.. should she still be burning oil?
She's not smoking like last time.. so.. When does the motor usually quit burning? :p
ya ,give it about 2500 miles.The motor is not yet brokin in.
How do you know its burning oil? Low level,smoke,what?
Low level from time to time. I check it alot. This is my second time to build this motor. The knucklehead that helped work on it put the piston ring gaps in wrong.. so it burned oil. I had to rebuild it and.. I'm stuck in the habit of checking.
Did you replace the valve guides,or valve stem seals?Quote:
Originally Posted by Crowbie
What finish is on the cylinder walls?
What type of rings were installed?
That reminds me ,I could not figure out why I kept burning oil in a engine I had.I pulled the intake a few times ,and check everything else I could think of,except valve stem seals.I used the ones that came in a cam kit.None of them were sealing correctly:eek: Just a thought ,might want to check.
Piston ring gaps have minimal effect on oil consumption.
The time to break-in depends on the type of rings used and the type of hone performed. Moly rings take only a few hours to break in. Ductile iron rings should be broken in by the 1000 mile mark. Chrome rings take significantly longer.
I bet you have installed a ring or two.:LOL: **) :whacked:
yup, too many variables on assembly techniques and build procedures to have a hard and fast rule on break in time. Saw a block the other day that was honed with a computer controlled power stroke hone.... looks like the rings will be seated about the same time the cam break in is over.... unbelievably finish on the cylinders!!!!! And I thought the powerstroke hones did a nice job!!!!:LOL: :LOL:
Well we took the motor apart.
Pistons came out, new rings, new bearings, new guides, and new seals.
We honed it by hand with a powerdrill and the honing beads and kerosene.
This was done in a machine shop.
Thats about as much as I had a hand in.
The shop guys did the rest, they put the bearings, rings, and pistons.. and the put the entire motor together.
The rings.. I don't know what they are, the machinist chose them.
He said he bought better than stock rings. But they're not something mega-expensive. Just a little bit above OEM standards.
Then they might not seat til around 1000 miles. Do I read your post right, original old pistons went back in, engine wasn't bored?
We bored it a year ago.
Pistons are a year old as well.
Vatted everything.
I'd say give it a thousand miles. If you're concerned or the oil use is excessive, you could do a leak down check on the engine.