Help Rust found in Cylinder Head
Thread Starter
Staging Lane
Joined: Jan 2007
Posts: 86
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From: Georgia
Help Rust found in Cylinder Head Removed the valve cover from the passanger cylinder head and found multiple rusty valve springs. I also found rust in the tips of the rocker arm bolts. What is this rust development a sign of, car is driven daily.
Teching In
Joined: Sep 2010
Posts: 29
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From: North Georgia
Where are you in Georgia?
We are about 40 miles north of ATL and this time of year its just kind of a fact of life.
How long do you drive every day? If your engine dosen't stay up to operating temp for a while then the moisture will never evaporate out of the crankcase.
Andy
We are about 40 miles north of ATL and this time of year its just kind of a fact of life.
How long do you drive every day? If your engine dosen't stay up to operating temp for a while then the moisture will never evaporate out of the crankcase.
Andy
Thread Starter
Staging Lane
Joined: Jan 2007
Posts: 86
Likes: 0
From: Georgia
Versz it runs between 14.7 and 15.1 AFR, I would not think this is lean enough to cause any issues. I do however don't allow the engine to get to operating temp almost daily. Currently reside in cartersville GA.
Teching In
Joined: Sep 2010
Posts: 29
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From: North Georgia
I would try to let it get up to temp before you drive it, try that for a week and then check it again, also keep a check on the water level. Have you been loosing any coolant? Does it look like the area around the bolts are seeping water?
We have dynoed engines before and the next morning pull the valvecovers to check things and there will be quite a bit of condensation, it gets worse when its cold.
We also have a set of flowmaster mufflers on an LS engine we have on the dyno right now and when you fire it up on a cold morning it takes a good 5 mins to blow all the water out of them.
We are not to far from you, We are in Canton.
Andy
We have dynoed engines before and the next morning pull the valvecovers to check things and there will be quite a bit of condensation, it gets worse when its cold.
We also have a set of flowmaster mufflers on an LS engine we have on the dyno right now and when you fire it up on a cold morning it takes a good 5 mins to blow all the water out of them.
We are not to far from you, We are in Canton.
Andy
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Launching!
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Only reason I asked was because when I was into building four wheeler engines there was a big talk on rusting a cylinder head can be caused from running too lean and running rich would just burn your plugs up. Thought it could be an issue since this is the first time i've heard about rusting cylinder heads in a while.
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TECH Senior Member
Joined: Jul 2009
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IIRC...Steven Rupp mentioned he runs a hotter thermostat (180/185 vs160) to make sure moisture is burns off in the oil. Makes sense. Is 20-25* enough to make a difference? I dunno. Internet myth.........? Maybe.
Teching In
Joined: Sep 2010
Posts: 29
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From: North Georgia
If you are getting a lot of moisture in it and it starts causing the oil to look like a milkshake then you will have a problem, If you have a lot of water in the oil then it can cause you to burn out the bearings. I would go ahead and change the oil so you will know for sure.
Andy
Andy
