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#1058182 - 07/09/18 10:01 PM Good quality front engine cover  
Joined: Sep 2015
Posts: 35
Ethan Offline
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Ethan  Offline
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North Babylon, NY
Well since Ive got the motor in the car the front seal in the front cover never sealed and oil leaks out from it and the crank flings it everywhere. Looks like someone sprayed oil all over my engine bay.

Now being that this is time consuming I only want to do it once. So I want to replace the whole cover and not just the seal, and hopefully get one with a not cappy front seal.

So I'm curious to what ones you guys use, or would recommend. I'm not looking to cheap out on it.

Thanks in advanced guys, and may everyones monte stay problem free

#1058199 - 07/10/18 06:17 PM Re: Good quality front engine cover [Re: Ethan]  
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upflying Offline
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Reno, NV
Are you referring to the timing chain cover?


86 MCSS Notchback coupe, LS3, 4L65E, QP 9", Eaton Truetrac, 4 wheel disc, column shift, Dakota Digital, silver with maroon bench interior

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#1058203 - 07/10/18 07:13 PM Re: Good quality front engine cover [Re: Ethan]  
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Ethan Offline
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Ethan  Offline
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North Babylon, NY
Yes I am. The seal that goes around the crank never sealed right and is sticking out. I dnot just want to replace the seal and have it happen again. I guess I bought a bad quality one.

But yes I'm refering to the timing chain cover

#1058204 - 07/10/18 08:19 PM Re: Good quality front engine cover [Re: Ethan]  
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upflying Offline
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Reno, NV
I don't think the type of timing chain cover is all that important, it's how the seals are installed. Sounds like something wasn't done right. You will have to drop the pan unfortunately.
There is a lot of internet resources and videos on how to replace the gaskets and seals.

Last edited by upflying; 07/10/18 08:19 PM.

86 MCSS Notchback coupe, LS3, 4L65E, QP 9", Eaton Truetrac, 4 wheel disc, column shift, Dakota Digital, silver with maroon bench interior

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#1058207 - 07/10/18 10:24 PM Re: Good quality front engine cover [Re: Ethan]  
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Ethan Offline
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Ethan  Offline
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Joined: Sep 2015
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North Babylon, NY
I know how to do that already. I was just curious if there was a brand better than others, maybe with better seals or something. Just trying to avoid having to do it twice.

If the type of cover doesn't matter, would I be able to just replace the crank seal, without removing the while cover?

Last edited by Ethan; 07/10/18 10:25 PM.
#1058209 - 07/11/18 01:20 AM Re: Good quality front engine cover [Re: Ethan]  
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BadSS Online content
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Pearl, MS, 39208
The last engine I put together the guy had bought a cast aluminum cover. I didn't notice it until I bolted it down and test fit the oil pan that the bolt hole had been drilled a little low causing the front cover to sit lower on the block. If I hadn't noticed, took it off and elongated the holes, I think it could have warped the oil pan trying to tighten it down. I also saw that the seal was off centered from the crank. I bet it would have leaked at the front seal as well.

That said, if it's a stock steel cover, then that's probably not your issue. Also, while difficult, there is a chance all will go well and you would be able to replace the front seal without removing the cover. However, if the seal is stubborn you could bend the cover while trying to pry it out or have issues trying to seat the new one unless you can get a piece of PVC plumbing pipe that fits the seal and can go over the crank snout.


Original owner of 1985 SS black hardtop w/gray interior. Frame-on restoration - 406 sleeper w/ heavily ported FIRST TPI. However the 1.875" headers, 3.5" duals, TH400, Ford 9", notched frame, and 10-point cage w/swing-out bars might tip you off it's not a lil' ole 305 TPI. Other mods: 2" drop, 18" wheels, f/r disk brakes, and custom stereo system.
#1058214 - 07/11/18 11:18 AM Re: Good quality front engine cover [Re: Ethan]  
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Richie Cat Online content
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My gut feeling is that seal was installed backwards


83 SC, 355 w/TPI
#1058222 - 07/11/18 07:02 PM Re: Good quality front engine cover [Re: Richie Cat]  
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Ethan Offline
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North Babylon, NY
It's possible, but if I'm remembering correctly the timing cover came all together. We just installed it, I don't remember even touching the crank seal. But I won't rule anything out

#1058223 - 07/11/18 08:27 PM Re: Good quality front engine cover [Re: Ethan]  
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Richie Cat Online content
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Assembly line people can make mistakes.


83 SC, 355 w/TPI
#1058225 - 07/11/18 11:29 PM Re: Good quality front engine cover [Re: Richie Cat]  
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Ethan Offline
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North Babylon, NY
That is a very valid point haha.

I won't get to rip into it until the weekend, so I'm going to try and find a good quality seal and hope for the best


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