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Get a good straight edge and some feeler gauges. Lay them across the surface of the head in all orientations. (across front/back/middle, diagnally across corner to corners) See if the feeler gauges will slip under at the end or the middle of the straight edge. (or you can see light...)
If so, it's warped. How warped is too much? If I can get my finger nail under it, it gets some attention.
Keep in mind that having it planed will make the surface flat, but bolt it up now and the camshafts are now continuously being bent ever so slightly...
Heads can now be heat straightened. This brings the cams back in too.
If it's not bad and you don't have a Torque to Yield head bolt setup, I've over torqued the head bolts by up to 10% to compensate on minor warpage. Seems to work. No leaks yet, although all car guys will probably say I'm on crack.
Most common seems to be heads warped away from the block in the middle. This is where I over torque the bolts just a tad in a reducing pattern out from the center. So, if the head called for 70 ft pounds I'd torque the middle bolts to about 78, next row out to 75, and so forth.
Don't blame me if it doesn't work for you or you snap off bolts.
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engine wont be warped but the head may be if you didn't overheat engine too much and fixed problem pretty quick, it wont be warped above answer says about bent cam. that is bogus but if head is warped, just go buy anew one and replace specially if aluminum they cannot be straightened if torque says 70 use 70.if u snap a bolt off going over the proper torque then you got to generally take head off and hope there is enough broken bolt showing to be able to remove it with out drills and easy outs PS a camshaft will break before it bends.
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What causes oil in your antifreeze?
rotted out headgasket and/or warped cylinder head . Aluminum head sensitive to no water in the engine.If it's just the headgasket it's not a big deal on a 4 cylinder datsun engine
How could water get into your oil on a 2000 dodge Neon?
Most likely causes are a failed headgasket or cracked/warped head.
1995 Mazda mx6 runs rough and pushes coolant out radiator cap can anyone help?
That's usually a sign of a warped head and bad headgasket, a cracked head or a cracked block. Those conditions usually only occur when the engine has been overheated.
How would antifreeze get into piston cylinders of 1997 Ford truck?
Either a warped head and blown headgasket or a cracked head. An intake gaslet will also blow and let it in on a 4.3. I had it happen.
What effect will a cooling system failure have on a running engine?
Nothing good, I can tell you that. Anything from a warped head, cracked head, warped block, cracked block, and basicly, a blown engine.
Why does a car engine repeatedly need to bleed excess air from water or radiator?
It could be either the head gasket or the water pump is sucking a little air. Most likely the head gasket though. There are chemical tests to determine if carbon monoxide is getting into the coolant. If it IS, you have a bad headgasket/warped head.
What happens if your engine overheats?
You can blow a head gasket or the head can crack or be warped.
How do you replace a warped engine head on a 96 Oldsmobile eighty eight?
First of all how do you know your head is warped cracked or no good lets start at the beginning
Why is there engine oil in cooling system?
You probably have a blown head gasket or a warped head
How does engine coolant get into the combustion chamber?
A bad head gasket , a warped head usually from overheating , would allow engine coolant into an engine cylinder
92 ford falcon you just changed the radiator and thermostat and filled with coolant as you broke down due to over heating now your car is blowing black smoke and the enging is shaking?
Overheated engines often cause the head to warp, resulting in a blown headgasket. If the engine blows out the coolant, you have a bad head gasket/warped head. If you're getting coolant in the oil, same thing. If one or two cylinders have very low compression, same thing. It's not news that anyone wants to hear, but I'd check that first since it's a very common condition after an engine overheats.
How do you fix warped engine heads?
well, first throw it away then buy a new one.
