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Please help...either cylinder head or pistons/block???

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Old 05-13-2006, 03:36 PM
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Default Please help...either cylinder head or pistons/block???

today I was on the highway and was doing about 190 km/h. I got off the highway and noticed that my oil light was on and as I was driving whenever i would go above 3000 RPM and I would head knocking from the motor. I was like wtf? then i started to go again but from start to 3000 rpm no knock, above 3000 there would be a knock. Now what Im thinking happened is that cause I was going pretty fast and I was low on oil then the speed of the valvetrain wasnt getting lubed enough? so what do you guys think the problem is:
rockers?
valves?
spun a bearing?
piston?
etc

Old 05-13-2006, 03:46 PM
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Default Re: Please help...either cylinder head or pistons/block??? (91Civic_Joe)

Spun a bearing, time for a fresh bottom end.
Old 05-13-2006, 04:22 PM
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Default Re: Please help...either cylinder head or pistons/block??? (dr_latino999)

wouldnt a spun bearing sound like grinding metal?
Old 05-13-2006, 04:23 PM
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Default Re: Please help...either cylinder head or pistons/block??? (91Civic_Joe)

Rod bearing.
Old 05-13-2006, 05:40 PM
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Default Re: Please help...either cylinder head or pistons/block??? (91Civic_Joe)

No, a spun bearing is definetly a knocking sound, I spun a whole slew of mine before.
Old 05-13-2006, 06:03 PM
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Default

a spun bearing will knock
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