How rare was the 501?
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500, 472, 425, 368 Discussion, How rare was the 501? in Cadillac Engine Technical Discussion; i know a guy thats selling a 73 coupe deville with the gm 501 in it. are these engines rare ...
  1. #1
    4.9 liters of fury is offline Cadillac Owners Member
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    How rare was the 501?

    i know a guy thats selling a 73 coupe deville with the gm 501 in it.

    are these engines rare for this model car?

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  3. #2
    Night Wolf's Avatar
    Night Wolf is offline Cadillac Owners 10000+ Posts
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    Re: How rare was the 501?

    no such thing as the 501

    the '73 had the 500

    he must have miswrote/typed it, it is in fact a 500

    rare? ummm.... well, they were the mainstream enigne for Cadillac 1970-1976.... there are plenty of them around... just gotta know where to find 'em

  4. #3
    lux hauler is offline Cadillac Owners Connoisseur
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    Re: How rare was the 501?

    Quote Originally Posted by Night Wolf
    no such thing as the 501

    the '73 had the 500

    he must have miswrote/typed it, it is in fact a 500

    rare? ummm.... well, they were the mainstream enigne for Cadillac 1970-1976.... there are plenty of them around... just gotta know where to find 'em
    Actually, the '73 Deville came from the factory with a 472. Devilles didn't get the 500 until '75 (through '76). The Eldorado ('70-'76) had the 500.
    Many people look at the sticker under the hood and think the "501" is the engine size but it's not. If you look on that same sticker, you should see where it says "472cid"......or something to that extent. There was no Cadillac 501.

  5. #4
    kjc
    kjc is offline Cadillac Owners Member
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    Re: How rare was the 501?

    cadillac put out around 750,000 500s, and 1,500,00 472s

  6. #5
    jk1000 is offline Cadillac Owners Member
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    Re: How rare was the 501?

    I wonder how many 472's & 500's still exist and how many are still in use?

  7. #6
    lux hauler is offline Cadillac Owners Connoisseur
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    Re: How rare was the 501?

    Quote Originally Posted by jk1000
    I wonder how many 472's & 500's still exist and how many are still in use?
    A similar question was asked on another board.....they were wondering how many 472/500 Cads were being hot rodded. I once heard that Edelbrock sells, on average, 450 Performer intake manifolds a year. That intake came out in the mid to late 90's. By those numbers, I would say that there are more than most would think. You'd think you'd see more of them though (with that many intakes being sold).
    500's are getting harder and harder to find and 472's will be the same soon. If scrap prices stay up, more are going to get scraped. If you want one, you better get it soon or you'll be paying alot more for it. I've got the 500 that's going in my truck and one for another project. I'd also like to have a 472.

  8. #7
    mclife is offline Cadillac Owners Member
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    Re: How rare was the 501?

    Anyone know what is different about a car marked with the 501 on the sticker, or what is stands for?

  9. #8
    lux hauler is offline Cadillac Owners Connoisseur
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    Re: How rare was the 501?

    I've heard that the "501" is an emissions code.......not sure if that's true though.
    I wish I'd taken a picture of the one that was on the car I had.
    Can someone get a picture of that sticker and post it here?

  10. #9
    Imprl59 is offline Cadillac Owners Fanatic
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    Re: How rare was the 501?

    I can still see that sticker in my head. My '74 Deville (long gone) also had one. I sure hope someone post soon to tell us what the 501 stood for because I am driving myself nuts trying to remember.


    Steve B.

  11. #10
    Tickle Me Eldo is offline Cadillac Owners Member
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    Re: How rare was the 501?

    I thought the "500" was actually 502ci?

  12. #11
    lux hauler is offline Cadillac Owners Connoisseur
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    Re: How rare was the 501?

    Quote Originally Posted by Tickle Me Eldo
    I thought the "500" was actually 502ci?
    http://kb-silvolite.com/calc.php?action=disp
    4.3" bore x 4.3" stroke = 499.557 cubic inches.

  13. #12
    CoupeDevilleRob's Avatar
    CoupeDevilleRob is offline Cadillac Owners Enthusiast
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    Re: How rare was the 501?

    The 502 big block is made by GM Performance Parts. It has nothing to do with the Caddy 500.

  14. #13
    Keith is offline Cadillac Owners Member
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    Re: How rare is the 500/472 ?

    Judging from posts on various forums, supplies of the 472/500s are drying up faster in the east and south-eastern US than in the western US, I presume because of climate/humidity differences. I still see lots of early '70 era Caddys in the west. Still, we are now pushing 30 years since they were last manufactured, and so they are bound to become more scarce. After rebuilding my '75 500cid, I bought another good running example for back-up parts. Also, I've found it is cheaper to buy an entire complete car than to buy parts (or even complete engines) at junk yards.

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