F4Gary

So I thought I might replace my ratty old valve covers on my 72 LT-1. It has the rubber push in style oil filler cap. The only thing I find on the internet are the screw on filler cap type.
What's the deal?

JoeMinnesota

Like this one?
https://www.ecklerscorvette.com/corv...1971-1974.html

Hold down on the link above, or search for oil filler cap on Ecklers and 1972 Corvette. They have them.

F4Gary

I have the oil cap, I'm trying to find a new finned aluminum valve cover that takes it.
They all seem to be like this:




The hole on the right is for the PVC valve and the hole on the left is for a twist on oil cap.

20mercury

Original rubber plug LT-1 covers hard to find and expensive. I suppose the demand is not enough to justify the repo vendors to make them? Another guy on here was looking for a set and I do not know if he ever found any. I told him if I came across a set, I would let him know.

Joe79Vette

mrvette

I have a pair of 4 on the flange, finned cast aluminum valve covers....for sale....PM me for pix and info they are painted burgundy and been on the shelf for a long time.....

Alan 71

Hi,
The 70 LT-! valve cover was configured to use a 'twist-in' metal oil cap.
The 71 and 72 LT-! valve covers used the 'push-in' rubber oil cap.
The valve covers for the 'push-in' cap were originally available in 'service' too, so there are some around... but I rarely see them offered.
The rubber push-in cap won't seal in the hole for the metal twist-in cap.
Regards,
Alan

MelWff

bead blast your ratty old valve covers and reuse them.

stingr69

Alan,
Aren't those all supposed to be polished by '71?

I was under the impression that only '69 covers (without the drippers) were issued in the "as cast" finish.

-Mark.

Alan 71

Hi 69,
I bought the set of LT-! valve covers over the counter in the fall of 1971.
The finish on them wasn't polished.
The finish had deteriorated over the next 20 years so when I decided to hang them up I just painted them so they'd look a bit nicer.
That's what's in the photo.
Regards,
Alan

Although this is the inside, the appearance is quite like what the outside finish was too.
I remember being pretty disappointed when I first saw them!



Here's another example of what they looked like.
Yes, a silver 72 LT-! a/c car!!!

F4Gary

Ah ha. This explains it. Problem with the rubber cap is it gets hard fro heat and then doesn't seal 100%. Already ordered a new one.

7T1vette

Depending on the size of hole needed for that rubber plug, one could easily reconfigure a '70-style cover by filling in those little 'slots' via heli-arc weld or drilling the hole to larger size (if needed). Once the rubber "OIL" plug is installed, who would know?

stingr69

OT - My '69 Camaro is supposed to have unpolished covers without the drippers but I bought a NOS set of polished covers with drippers and had them refinished in a tumbler to make them look like the earlier unpolished ones. The dippers were added by GM for extra lubrication and that is a good thing to have.