C4 General Discussion General C4 Corvette Discussion not covered in Tech

Just roll your eyes and mutter

 
Old 03-10-2011, 04:19 PM
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29desoto
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Default Just roll your eyes and mutter

I spend a lot of time on an MGB forum. And the same idiots ask the same questions.........

I would wait for a manual, but I'm kind of pressed here. I just got a 1984 Corvette (think it would be a C-4?). It claims to be an L-83. Anyway, as old habits die hard, the first thing I wanted to do when I got it started was to change the oil.

Wisely, I looked to see where the new oil would go in. And looked. And looked. And now I'm feeling pretty stupid! I honestly can't see where it would go!

The tow truck driver who brought it home for me said the rocker covers are non-stock. They have a flame thingie cast into them. Did I miss an easy one?

I promise, get me through this, and I will have an owners manual very shortly!

Wayne
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Old 03-10-2011, 04:24 PM
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1998prince
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pics?
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Old 03-10-2011, 04:25 PM
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Well, if you have an '84 it in fact is a C4. C4 = 1984 - 1996
But it would have an L83 engine from the factory.
L83 = Cross Fire Injection

The valve covers sound like they have been changed, as no stock cover would have had anything like flames cast into them.
So, it's hard to say what you have there.
The factory valve covers would have had an oil fill cap on (passenger side I believe).
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Old 03-10-2011, 04:32 PM
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Originally Posted by RollaMo-LT4 View Post
Well, if you have an '84 it in fact is a C4. C4 = 1984 - 1996
But it would have an L83 engine from the factory.
L83 = Cross Fire Injection

The valve covers sound like they have been changed, as no stock cover would have had anything like flames cast into them.
So, it's hard to say what you have there.
The factory valve covers would have had an oil fill cap on (passenger side I believe).


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Old 03-10-2011, 04:40 PM
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Congrats on your acquisition.

C4's run from 1984 through 1996. There was no 1983 Corvette.

As I understand it, the '84 had the same engine as the '82 C3. I'm pretty sure the valve covers didn't have a "flame thingy" on them (sounds like an aftermarket product). I think one of them had an oil fill cap.

Do a SEARCH here by clicking "search" on the bar at the top of the page. Then, type in what you are looking for ("1984 ENGINE"). There are a lot of photos of guys' engine compartments.


EDIT: Too late. j-vette beat me to it. Nice job, j-vette

Last edited by j-wireman; 03-10-2011 at 04:44 PM.
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Old 03-10-2011, 04:41 PM
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84vette96
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Is there a breather on one of the covers? If so pull on it or try to unscrew it. My guess without looking at it. Most aftermarket covers seem to have one.
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Old 03-10-2011, 04:44 PM
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Has to have a breather or pcv hole. If they dont take them off and get some that do. Gotta vent that thing.
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Old 03-10-2011, 04:47 PM
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Here is what the stock engine looks like. (Repainted)





Take out the PVC valve to put oil in with a funnel.

Congrats on your new car and welcome to the forum.
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Old 03-10-2011, 05:01 PM
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29desoto
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Originally Posted by 84vette96 View Post
Is there a breather on one of the covers? If so pull on it or try to unscrew it. My guess without looking at it. Most aftermarket covers seem to have one.
There is a PCV type thing on the passengers side. But nothing like the one shown in someone's pictures there. I suspected it might come down to pouring it one of those holes.

Pictures will be forth coming. It really is a nice car, considering the age and price.
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Old 03-10-2011, 05:20 PM
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Bound to be some kinda hole in each cover. Just pull out whatever is stuck in it and use it as a fill hole. My stock L98 cover had a PCV, a connection to the TB and an oil fill cap. When I changed my covers, I got a cap with a spud to connect the TB on one side and the other side went to PCV. Not sure how yours is but check both sides and see whats there.
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Old 03-10-2011, 07:48 PM
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Love MG's
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Old 03-10-2011, 09:34 PM
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29desoto
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Thanks for all your help. All of these forums seem to be very friendly and helpful. There is for sure NOT a filler cap. What kind of dim bulbs would make a valve cover with no filler hole?

Going to have to be down the PCV hole. My MG forum is great, the old Jaguar forum was super, and the Lotus group was one of the smartest I have seen.

I will put some pictures up tomorrow.
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Old 03-10-2011, 09:45 PM
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Sounds like some ebay covers many of them come without holes, you need to cut them yourself. Get rid of them unless you want to cut and put breathers in there.
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Old 03-11-2011, 01:53 AM
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as we used to say back in the day, "Chalk it up to British racing luck".
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Old 03-11-2011, 03:20 AM
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Joe C
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assuming you can find a place to pour oil into the those valve covers, i would recommend the first order of business is to find a pair of correct valve covers. any 84-86E (perimeter bolt) will work. welcome aboard, and post some pics of the 84.
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Old 03-11-2011, 10:50 AM
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Here is one of the more interesting 84s I have seen:

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