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Old 01-07-2003, 01:53   #1 (permalink)
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Question Fouled spark plugs.

Ok, a question for all of you who know more about engines then I do...

My 1980 Ford Escort is fouling spark plugs with oil, eventually causing the spark plugs to stop firing and require replacement. I've been told that means I need an entire new engine. I've been talking to a few people about this, and I'm not too sure the ENTIRE engine needs to be replaced. Perhaps the head is no longer any good, or a gasket needs replacement?

For the spark plugs to br getting a coating of oil, oil must be getting into the cylinders, right? Now, would I be right in guessing that oil couldn't be leaking into the cylinders through the cylinder walls, as the oil doesn't flow that closly to the cylinders themselves? And oil couldn't be getting into the cylinders from the sump area, thanks to gravity? So, that basically leaves the head and gaskets as the main suspects, right?

Oh, in case this makes any difference, the engine in question is a stock 4 cylinder 1600cc Kent (Crossflow OHV).
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Old 01-07-2003, 01:58   #2 (permalink)
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it'll be rings or valve stem seals and guides. Could also be sucking it in from the PCV valve or other emissions stuff, but more than likely it'll be the rings.
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Old 01-07-2003, 02:12   #3 (permalink)
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So I shouldn't be up for a new engine, just a matter of finding a mechanic who actually has a clue about 4 cylinder Ford engines?

Any ideas how much this might set me back to repair and what would be involved - is this a simple job, or is the engine going to have to be rebuilt to some degree?
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Old 01-07-2003, 03:42   #4 (permalink)
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Our escort 1.6 needs a reco head losing pressure from burnt valves and a blown head gasket.
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Old 01-07-2003, 04:26   #5 (permalink)
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make sure the oil is not getting in there through the PCV as per above posts, then get the valve stem seals done first, then if it still fouls up the plugs you will have to rebuild it, pull apart, rebore the cylinders and new rings and pistons...

cost unknown
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Old 01-07-2003, 04:50   #6 (permalink)
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I wouldn't bother overhauling the 1600. A 2 Litre fits in sooo easy its not funny using existing gear box. A 2 lire Escort sump, change thermo housing angle, shift radiator further foward.With the right gear can be done in a day at home easy..The good thing with these motors you can buy them good for $100. still in good nick..

Are the 1600 spark plugs the right heat range? Chamion N9 is the std heat range. From my experiance with these motors if its fouling plugs it must be smoking or fuming real bad. Being bowl in piston anything not right in that area the engine is nearly non drivable. Are the plugs fouling often?? the same one?Have you checked the leads,cap,points. Runing too rich can cause this too.
Again I'd seriously consider a 2 Litre.. Lazzy performance!!!
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Old 01-07-2003, 15:29   #7 (permalink)
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The first thing you should do is a dry then wet compression test, if there is a difference between the readings then you will need to do a ring change and if that is the case the you may even need a rebore depending on the state of the motor.
I'm with ebxr8240, whack in a 2 litre, it's more than likely your cheapest option
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Old 01-07-2003, 19:32   #8 (permalink)
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a temporary help is to use a hotter plug to try and burn some of the oil
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Old 01-07-2003, 19:56   #9 (permalink)
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do as lizard said then that will save you spending money on valve stem seals if it turns out to be rings.

does it blow smoke? if so all the time or just on start up

if its ring just go the 2.0l
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Old 01-07-2003, 20:36   #10 (permalink)
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Only orange juice and milk come in 2 litres ;-) Go the 2 litre! I used to love my 2 litre car! It felt like it was as quick as a V8 back then - of course I know different now!
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