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Old Sep 11, 2020 | 10:19 AM
  #1  
72455's Avatar
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1972 U code Supreme
 
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From: Chesapeake, VA
In search of...

Looking for an OEM or NOS radiator cap for a '72 U code Supreme...heavy duty cooling with A/C if that makes a difference.

Thanks,
Dave
Old Sep 13, 2020 | 08:09 PM
  #2  
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72-442 parts

Have been discovering quite a few 72 442 parts in collection... Heads..#2 & #3 water pumps..dashes..just got 72 442 grills & there available...
what is there about this certain cap that l could employ to locate 1 for you..could you post an image ?
​​​​

72 W-30 watetr pump...#3 pumps also available with a selection of date codes for each

72 442 rh grill...$325/pr Many other items available as well Omishjon4@gmail.com

72 442 rh grill

Last edited by rocketscientis; Sep 13, 2020 at 08:49 PM. Reason: To edit
Old Sep 14, 2020 | 02:24 AM
  #3  
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1972 U code Supreme
 
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It looks like this, but with arrows that line up with the "ears".

Old Sep 14, 2020 | 06:58 AM
  #4  
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Arrow orientation

[QUOTE=72455;1278907]It looks like this, but with arrows that line up with the "ears".
so arrows are 90° from how they apear on this one ?
Old Sep 14, 2020 | 07:05 AM
  #5  
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1972 U code Supreme
 
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Not really...they're two straight arrows that point out from the center of the cap towards the "ears".
Old Sep 14, 2020 | 07:31 AM
  #6  
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Have seen those...good

Would like to see image of oil fill cap also & # on tube..digits at least if no image available
& need to tell how w-30 head is readily identifiable from the toronado BV heads
Old Sep 14, 2020 | 07:56 AM
  #7  
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1972 U code Supreme
 
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Originally Posted by rocketscientis
Have seen those...good

Would like to see image of oil fill cap also & # on tube..digits at least if no image available
& need to tell how w-30 head is readily identifiable from the toronado BV heads
Huh???...I think you got the wrong guy...lol
Old Sep 14, 2020 | 02:34 PM
  #8  
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Who's on first?
Old Sep 14, 2020 | 09:43 PM
  #9  
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Obviously

Originally Posted by Vintage Chief
Who's on first?
the initial participant in a gang bang.

Old Sep 15, 2020 | 11:04 AM
  #10  
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From: Edmonton, AB. And "I am Can 'eh' jun - eh"
Dave, is this the kind of radiator cap you're looking for?

Old Sep 15, 2020 | 11:46 AM
  #11  
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1972 U code Supreme
 
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Originally Posted by Allan R
Dave, is this the kind of radiator cap you're looking for?
Not quite Allan..check the pic I posted in #3...it looks just like that but has two straight arrows pointing out from the center to the "ears".
Old Sep 15, 2020 | 04:23 PM
  #12  
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Dave, I looked on line and found some examples of the OEM NOS 15lb cap from GM. This one is not for Y72 Cooling but it doesn't have the arrows you're talking about. It is however the correct service replacement part for 1971/72 Olds Cutlass models without AC or HDC. Also note there is no arrow showing direction to open.
Old Sep 15, 2020 | 05:15 PM
  #13  
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1972 U code Supreme
 
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Allan, would it matter if I have the Y72 option with HDC?
Old Sep 15, 2020 | 05:44 PM
  #14  
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1972 U code Supreme
 
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So upon further research it seems that since I have the recovery tank, my cap has the arrows like the one pictured below, but it has the ears and the circular arrows like the one in my post (#3) above...

Old Sep 15, 2020 | 06:03 PM
  #15  
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The PIM manual shows a different cap from the standard 15# cap. I think those arrows are just to show the position of the final ear position on the bottom. Your car has AC so it will have the Y72 cooling package automatically added at the factory. The PIM says 15# cap for both systems but I run 16# and I also have an OEM factory overflow reservoir. It works. I'm just not too worried about it not being factory correct, and I'm not willing to fork out over $200 for just a rad cap. Maaaybe if I had a concours correct car but I don't. You need to weigh that in your decision. After all how many people are going to look at that?
Old Sep 15, 2020 | 06:17 PM
  #16  
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This is the reproduction cap for overflow bottle that I know of ,
https://www.ebay.com/itm/1968-1974-B....c100667.m2042
Old Sep 15, 2020 | 06:32 PM
  #17  
72455's Avatar
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1972 U code Supreme
 
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Originally Posted by Allan R
The PIM manual shows a different cap from the standard 15# cap. I think those arrows are just to show the position of the final ear position on the bottom. Your car has AC so it will have the Y72 cooling package automatically added at the factory. The PIM says 15# cap for both systems but I run 16# and I also have an OEM factory overflow reservoir. It works. I'm just not too worried about it not being factory correct, and I'm not willing to fork out over $200 for just a rad cap. Maaaybe if I had a concours correct car but I don't. You need to weigh that in your decision. After all how many people are going to look at that?
Im with you on the $200 Allan...not for me..lol. If you could post a pic of the overflow tank, I'd appreciate it..just want to make sure mine is right. In the meantime, Fusick has what the original should look like (first pic below), but is that right, or is it the second pic?


Old Sep 16, 2020 | 10:17 AM
  #18  
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This is my OEM overflow container. Not a repop; it's survived incredibly well over the years.


As far as the reproduction cap? Judging from the NOS ones on the market it has the right markings but is the wrong color stripe and Align Stripe with Overflow Tube. Again, it's going to come down to how much you want to spend. Personally I like the all silver cap better. Here's an NOS one to show you what it should look like:



Old Sep 16, 2020 | 10:29 AM
  #19  
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1972 U code Supreme
 
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From: Chesapeake, VA
Originally Posted by Allan R
This is my OEM overflow container. Not a repop; it's survived incredibly well over the years.


As far as the reproduction cap? Judging from the NOS ones on the market it has the right markings but is the wrong color stripe and Align Stripe with Overflow Tube. Again, it's going to come down to how much you want to spend. Personally I like the all silver cap better. Here's an NOS one to show you what it should look like:
Thanks Allan....RC27, RC29, RC15 and mine is RC36....why so many numbers?

Last edited by 72455; Sep 16, 2020 at 01:57 PM.
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