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1988 Ford Escort XR3i valvetrain pics #5279403 11/28/19 02:31 AM
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FordCapriDriver Offline OP
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110k miles on the clock, previous owner neglected it a fair bit, i've owned the car for 2 years and have been doing 3000 miles OCI's with Shell Rimula R4X 15W-40 HDEO
While i was changing the rocker cover gasket, i scraped the sludge off the rocker cover the best i could.

[Linked Image from live.staticflickr.com]IMG_20191125_204044 by Laurie Lindh, en Flickr

[Linked Image from live.staticflickr.com]IMG_20191125_204327 by Laurie Lindh, en Flickr


Last edited by FordCapriDriver; 11/28/19 02:33 AM.

1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279430 11/28/19 04:09 AM
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demarpaint Offline
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That's pretty bad. Some people swear shorter OCIs with a good oil are effective in cleaning up a neglected engine. Those pictures prove otherwise. You have your work cut out for you if you want to clean that up. Good luck!


God Bless Our Troops

Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279435 11/28/19 05:12 AM
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JC1 Offline
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Doesn't look great, but I'm sure it looked worse when you first got the car.

Lighting of the first pic isn't the best, but since it's black you know what's not good.

Haave you cut open the oil filters to see what they are catching?

Thanks for the pics.


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1997 Honda Civic CX 5w-30 PPPP/Fram Ultra Filter
Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279436 11/28/19 05:21 AM
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FordCapriDriver Offline OP
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I haven't cut the oil filters open no, might do it at the next oil change.

It is pretty heavily varnished and has a fair amount of hard sludge, it's better than when i bought it though for sure.

At least the engine runs perfectly fine, the hydraulic lifters are a bit noisy but not too much, and the engine doesn't burn any oil and only weeps a little from the sump gasket.

What i'm trying to accomplish is that the HDEO will gently clean it up over time, and it is already working, before the rockers were completely caked and you couldn't see any of the actual metal, now you can.


Last edited by FordCapriDriver; 11/28/19 05:25 AM.

1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279438 11/28/19 05:39 AM
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JC1 Offline
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Originally Posted by FordCapriDriver
I haven't cut the oil filters open no, might do it at the next oil change.

It is pretty heavily varnished and has a fair amount of hard sludge, it's better than when i bought it though for sure.

At least the engine runs perfectly fine, the hydraulic lifters are a bit noisy but not too much, and the engine doesn't burn any oil and only weeps a little from the sump gasket.

What i'm trying to accomplish is that the HDEO will gently clean it up over time, and it is already working, before the rockers were completely caked and you couldn't see any of the actual metal, now you can.



You're on the right path. How often to you open the valve cover and inspect?

Do you get a chance to drive the car hard periodically at high speeds?


2015 Grand Caravan SXT Plus 0w-20 Pennzoil Ultra/Fram Ultra Filter
1997 Honda Civic CX 5w-30 PPPP/Fram Ultra Filter
Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279439 11/28/19 05:43 AM
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demarpaint Offline
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Originally Posted by FordCapriDriver
I haven't cut the oil filters open no, might do it at the next oil change.

It is pretty heavily varnished and has a fair amount of hard sludge, it's better than when i bought it though for sure.

At least the engine runs perfectly fine, the hydraulic lifters are a bit noisy but not too much, and the engine doesn't burn any oil and only weeps a little from the sump gasket.

What i'm trying to accomplish is that the HDEO will gently clean it up over time, and it is already working, before the rockers were completely caked and you couldn't see any of the actual metal, now you can.


I tried the same thing with a well maintained Buick Century that was a mess from dino oil, but not nearly as bad as that. Quality synthetics including Mobil 1 TDT did very little cleaning, even after tens of thousands of miles. My suggestion would be while you have it apart clean it up. Then get something like Rislone, MMO, or the like and tweak your oil. It will clean it slowly, but a lot faster than short OCIs and quality oils by themselves. Flame suit on.


God Bless Our Troops

Re: 1988 Ford Escort XR3i valvetrain pics [Re: JC1] #5279447 11/28/19 06:13 AM
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FordCapriDriver Offline OP
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Originally Posted by JC1
Originally Posted by FordCapriDriver
I haven't cut the oil filters open no, might do it at the next oil change.

It is pretty heavily varnished and has a fair amount of hard sludge, it's better than when i bought it though for sure.

At least the engine runs perfectly fine, the hydraulic lifters are a bit noisy but not too much, and the engine doesn't burn any oil and only weeps a little from the sump gasket.

What i'm trying to accomplish is that the HDEO will gently clean it up over time, and it is already working, before the rockers were completely caked and you couldn't see any of the actual metal, now you can.



You're on the right path. How often to you open the valve cover and inspect?

Do you get a chance to drive the car hard periodically at high speeds?


I open it up every 6 months or so.

Yes, i do usually every weekend take it for a long spirited drive up the mountain roads, around 100km ( 60 miles ) round trip


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279453 11/28/19 06:28 AM
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PimTac Offline
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110,000 miles in 31 years tells me this engine has been short tripped a lot. I wouldn’t expect much more cleanup from what you’ve done. If she is running good then I would be satisfied. I wouldn’t get aggressive on the cleaning and take the chance of loosening up something that would be detrimental.


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Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279454 11/28/19 06:29 AM
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Donald Offline
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So, the engine runs fine but has sludge that you would prefer to not be there. But is causing no issue.

Auto-Rx?

The real issue is to make sure it does not get worse.

I would continue with current oil routine and enjoy the car.

I would not recommend any drastic action to remove the sludge.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279467 11/28/19 06:50 AM
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BigCahuna Offline
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31 years old and it runs fine, seems lite sludge and varnish bothers owners more then it bothers motors.,,,

Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279492 11/28/19 07:23 AM
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FordCapriDriver Offline OP
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We don't have Auto-Rx or MMO here in Spain.

Ofcourse we have your typical oil flush type products from Liqui Moly and such, but i'm a little scared of using them, having read tons of horros stories about these types of products being really aggressive and dislodging tons of sludge at one, leading to blocked oil pickup screens and consequent catastrophic failures.

It seems to be slowly cleaning itself up with the HDEO and oversized oil filter i run.

When i bought it it was in a really sorry state, the PCV system was totally clogged and was leaking oil from everywhere due to the crankcase pressure, now it's much much better.


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279494 11/28/19 07:26 AM
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FordCapriDriver Offline OP
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When i bought it

[Linked Image from live.staticflickr.com]2019-11-28_02-24-43 by Laurie Lindh, en Flickr

Now

[Linked Image from live.staticflickr.com]2019-11-28_02-25-15 by Laurie Lindh, en Flickr


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279495 11/28/19 07:26 AM
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atikovi Offline
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That's nothing to be concerned about after 30 years and is typical of engines run with conventional oil. Looks a lot better than this neglected one year old engine I had.

[Linked Image from fototime.com]

Re: 1988 Ford Escort XR3i valvetrain pics [Re: FordCapriDriver] #5279515 11/28/19 07:55 AM
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JC1 Offline
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Originally Posted by FordCapriDriver
We don't have Auto-Rx or MMO here in Spain.

Ofcourse we have your typical oil flush type products from Liqui Moly and such, but i'm a little scared of using them, having read tons of horros stories about these types of products being really aggressive and dislodging tons of sludge at one, leading to blocked oil pickup screens and consequent catastrophic failures.

It seems to be slowly cleaning itself up with the HDEO and oversized oil filter i run.

When i bought it it was in a really sorry state, the PCV system was totally clogged and was leaking oil from everywhere due to the crankcase pressure, now it's much much better.


What about dumping 500 ml of kerosene into the crank case and let it idle for 10-15 mins (can Rev it up as well for 20-30 seconds to get it flowing) just before you do an oil change? That may help.


2015 Grand Caravan SXT Plus 0w-20 Pennzoil Ultra/Fram Ultra Filter
1997 Honda Civic CX 5w-30 PPPP/Fram Ultra Filter
Re: 1988 Ford Escort XR3i valvetrain pics [Re: JC1] #5279537 11/28/19 08:15 AM
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FordCapriDriver Offline OP
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Originally Posted by JC1
Originally Posted by FordCapriDriver
We don't have Auto-Rx or MMO here in Spain.

Ofcourse we have your typical oil flush type products from Liqui Moly and such, but i'm a little scared of using them, having read tons of horros stories about these types of products being really aggressive and dislodging tons of sludge at one, leading to blocked oil pickup screens and consequent catastrophic failures.

It seems to be slowly cleaning itself up with the HDEO and oversized oil filter i run.

When i bought it it was in a really sorry state, the PCV system was totally clogged and was leaking oil from everywhere due to the crankcase pressure, now it's much much better.


What about dumping 500 ml of kerosene into the crank case and let it idle for 10-15 mins (can Rev it up as well for 20-30 seconds to get it flowing) just before you do an oil change? That may help.


I friend of mine told me to do that but with diesel...


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

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