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Old 03-27-2012, 12:03 AM
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blown head gasket do you think

Bought this engine s a non runner for all the engine add ons . Upon disassembly found this !
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Old 03-27-2012, 01:27 AM
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Head gasket

All that money on power adders and a cheapo head gasket, I would tear that thing apart to see here else they skimped...
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Old 03-27-2012, 01:43 AM
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different engine

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Originally Posted by Calicocrow
All that money on power adders and a cheapo head gasket, I would tear that thing apart to see here else they skimped...
Hey Calicocrow its a different engine to the blown one in the green car in my profile . Heres that motor build
Youve just misunderstood me . When I said add ons I meant starter and alternator and all accessory mounts etc etc . This is a rover v8 and I have a 4x4 I need the parts for .
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Old 03-28-2012, 04:57 PM
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I d like to see those pipe plugs removed and some Milodon vents put in. I like the oil control but You build up alot of crankcase pressure and no place for it to go.
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Old 03-28-2012, 06:56 PM
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That engine most likely has been overheated pretty good. Without ever have heard it run, you may have other problems as well. Only way to find out is to replace the head gaskets and run it...
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Old 03-29-2012, 02:42 AM
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overheated

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Originally Posted by vncruiser
That engine most likely has been overheated pretty good. Without ever have heard it run, you may have other problems as well. Only way to find out is to replace the head gaskets and run it...
overheated because of the head gasket fault or can you see something in the pics that say so .Cheers
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Old 03-29-2012, 06:40 AM
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Not that I can see something in the picture. It was overheated due to some fault.ie: coolant leak, bad thermostat or whatever resulting in the head gasket blowing. I am a Land Rover / Jaguar service advisor and see this occasionally. What size engine and what model is the engine out of?
Reid
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Old 03-30-2012, 12:31 AM
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Quote:
Originally Posted by vncruiser
Not that I can see something in the picture. It was overheated due to some fault.ie: coolant leak, bad thermostat or whatever resulting in the head gasket blowing. I am a Land Rover / Jaguar service advisor and see this occasionally. What size engine and what model is the engine out of?
Reid
motor is out of a 90 model range rover Australian version 3.9 litre . In australia there is a problem with slipping liners and cracking blocks behind the liners . This block is sound was using no water or oil before blowing head gasket on a long 10hr highway run .
Do you think its overheated on the run and warped head or block maybe then the gasket let go ?
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Old 03-30-2012, 07:21 AM
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That liner would only have to slip .010 to create a problem. Was there any intermix of coolant & oil? If not, then I doubt you have a cylinder problem.
It got hot somehoww...Have you tested the thermostat?
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Old 04-01-2012, 08:12 AM
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Clean up the head and block Take a straight edge and feeler gauge and check for warpage and position of the liners. If the block checks out I'd send the head out for rebuilding including re-surfacing. While that was happening I would back flush the coolant system. Upon re-assembly I would include a new thermostat with a 1/8" hole drilled in it. I'd install a new timing chain and gears if they look worn. Before refilling the coolant system i would remove any block plugs and would pressurize the system with air to drain the remaining water. Replace them and fill the system noting if the fill amount matches the engine spec. If all is good run it and monitor the temps.
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Old 04-01-2012, 08:41 AM
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Quote:
Originally Posted by boothboy
Clean up the head and block Take a straight edge and feeler gauge and check for warpage and position of the liners. If the block checks out I'd send the head out for rebuilding including re-surfacing. While that was happening I would back flush the coolant system. Upon re-assembly I would include a new thermostat with a 1/8" hole drilled in it. I'd install a new timing chain and gears if they look worn. Before refilling the coolant system i would remove any block plugs and would pressurize the system with air to drain the remaining water. Replace them and fill the system noting if the fill amount matches the engine spec. If all is good run it and monitor the temps.
Why would you go through removing all of the block plugs?...Seems like un-necessary work to me...
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Old 04-01-2012, 09:23 AM
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Good question. I didn't say freeze plugs if that is what your thinking. I said drain plugs. By removing them all of the water you flushed the system with will be out. When you refill the system if you can't fill it to the specification or very close you can assume the system is partially plugged and that might be why the engine over-heated.
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