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PostPosted: Fri May 16, 2014 3:40 pm 
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Javelin

Joined: Sun Jun 02, 2013 4:15 pm
Posts: 206
Location: Charleston WV
Was just wanting to check an see if any year valve cover will work on this engine? I found a aluminum valve cover from a 81 model Eagle. Will this work on my 85 Eagle with the plastic valve cover?

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PostPosted: Fri May 16, 2014 6:22 pm 
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Javelin

Joined: Mon Oct 14, 2013 7:35 am
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Location: Bloomsburg, PA
kalve wrote:
Was just wanting to check an see if any year valve cover will work on this engine? I found a aluminum valve cover from a 81 model Eagle. Will this work on my 85 Eagle with the plastic valve cover?



As long as you have the AMC/Jeep 4.2 inline 6 head it will fit.


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PostPosted: Sat May 17, 2014 11:11 am 
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Eagle

Joined: Thu Feb 07, 2013 6:43 pm
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the 87 - 90 amc jeep 258 valve covers are aluminum, but the base shape is different than the ?-86 design that was made out of plastic, and I think I remember iowaeagle saying something about the earlier metal valve covers being different as well.

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PostPosted: Sat May 17, 2014 2:50 pm 
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Javelin

Joined: Sun Jun 02, 2013 4:15 pm
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Location: Charleston WV
ok so it wont work then i need to buy one

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1964 T bird Landau V8
1970 Mercury Cougar XR-7 Convertible 351 Clev 4 speed
1982 Porsche 924 Coupe 2.0 4 cylinder 5 speed manual
1985 AMC Eagle Wagon 4.2L engine 4WD
2000 Mercedes Benz CLK430 Convertible V8
2001 Mitsubishi Eclipse GS Spyder 5 speed


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PostPosted: Sat May 17, 2014 4:19 pm 
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Eagle

Joined: Thu Feb 07, 2013 6:43 pm
Posts: 2030
looks like you are looking at an 81? that might be the year they changed over.

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1985 eagle wagon - 258
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PostPosted: Sat May 17, 2014 4:25 pm 
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Eagle

Joined: Thu Feb 07, 2013 6:43 pm
Posts: 2030
I just checked, 1981 is a plastic valve cover model. as someone may be interested, dorman part number for the plastic cover is 264-974. the price was listed for around $260 :shock: I think I would go with an aluminum valve cover unless you are trying to stay original.

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1985 eagle wagon - 258
1987 :amc: Jeep Comanche - 4.0


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PostPosted: Sat May 17, 2014 4:35 pm 
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Javelin

Joined: Sun Jun 02, 2013 4:15 pm
Posts: 206
Location: Charleston WV
the guy said its a 81 model an it has a aluminum cover on it. So is it possible they could have switched the plastic om out?

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1964 T bird Landau V8
1970 Mercury Cougar XR-7 Convertible 351 Clev 4 speed
1982 Porsche 924 Coupe 2.0 4 cylinder 5 speed manual
1985 AMC Eagle Wagon 4.2L engine 4WD
2000 Mercedes Benz CLK430 Convertible V8
2001 Mitsubishi Eclipse GS Spyder 5 speed


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PostPosted: Sat May 17, 2014 4:40 pm 
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Eagle

Joined: Thu Feb 07, 2013 6:43 pm
Posts: 2030
yes, they do make an aftermarket valve cover to replace the OEM plastic valve cover. I will try to get a decent picture of the 87-90 OEM valve cover. here is what the aftermarket valve cover looks like:
Image

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1985 eagle wagon - 258
1987 :amc: Jeep Comanche - 4.0


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PostPosted: Sat May 17, 2014 4:53 pm 
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Eagle

Joined: Thu Feb 07, 2013 6:43 pm
Posts: 2030
here is the 87-90 OEM AMC_Jeep valve cover. some eagles also got this valve cover.


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IMG_0107.JPG [ 252.68 KiB | Viewed 1920 times ]

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1985 eagle wagon - 258
1987 :amc: Jeep Comanche - 4.0
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PostPosted: Sat May 17, 2014 9:44 pm 
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Hornet
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Joined: Tue Feb 12, 2013 6:39 pm
Posts: 922
81-86 are a plastic valve cover. they have their own pattern. 80-65 iirc are the same tin/stamped steel valve cover. the 87-90 valve cover is different yet. I haven't messed with the 87-90 valve cover, so I don't know if they are the same as the 4.0 or not. a GOOD valve cover for the 81-86 valve cover kit is going to run around $100 +/- $20 or so.

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WHEN IN DOUBT, BUY MORE BEER!!!!

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