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Hot Rods Caddy 472

Discussion in 'The Hokey Ass Message Board' started by pie pie, Nov 30, 2016.

  1. pie pie
    Joined: Jun 29, 2008
    Posts: 673

    pie pie
    Member
    from missouri

    Do many use the,472/500 cadillac engines? I'll be picking one up for new project to have something different.

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  2. wsdad
    Joined: Dec 31, 2005
    Posts: 1,254

    wsdad
    Member

  3. BJR
    Joined: Mar 11, 2005
    Posts: 6,507

    BJR
    Member

    My son has one in his 47 International pickup, and I am building a 49 Buick with a 472 also.
     
  4. pie pie
    Joined: Jun 29, 2008
    Posts: 673

    pie pie
    Member
    from missouri

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  5. mcsfabrication
    Joined: Nov 26, 2006
    Posts: 873

    mcsfabrication
    ALLIANCE MEMBER

  6. MO_JUNK
    Joined: Jan 22, 2006
    Posts: 1,048

    MO_JUNK
    Member
    from Rolla, Mo.

    I'm building one right now. I'm building it to 1970 specs. It will be basically stock except for a .030 overbore, Performer intake, a cam upgrade from Maximum Torgue Specialties and a HEI distributor. I planning to put it in the truck in my avatar.
     
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  7. pie pie
    Joined: Jun 29, 2008
    Posts: 673

    pie pie
    Member
    from missouri

    that is kinda what my thought is on it. makes enough power just needs some sound to it and dress it up. should be dead reliable as well. unusual to see one.
     
  8. godlemmy
    Joined: Apr 5, 2006
    Posts: 60

    godlemmy
    Member

    Google 500 cadillac motor. There are a few companies making parts. Cam intake headers and it will make over 300 hp. Lighter than a bbc

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  9. southerncad
    Joined: Feb 5, 2008
    Posts: 744

    southerncad
    Member

    Yup, will make you a good Fordillac!
     
  10. RaginPin3Appl3
    Joined: Mar 31, 2016
    Posts: 1,158

    RaginPin3Appl3
    Member

    Subscribed. Always wanted to do this


    What'cha got in there, kid?
     
  11. 40StudeDude
    Joined: Sep 19, 2002
    Posts: 9,429

    40StudeDude
    Member

    500" in my '55, T-400 behind it...gas mileage isn't great but it's got lots of power...

    R-

    DPP_0212.JPG
     
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  12. 73RR
    Joined: Jan 29, 2007
    Posts: 6,392

    73RR
    Member

    Gobs of low rpm torque. Mileage is always dependent on how hard you work the 'fun' pedal....;)
    Decent looking 55 to start with.


    .
     
  13. randydupree
    Joined: May 19, 2005
    Posts: 649

    randydupree
    Member
    from archer fl

    i have a couple of those engines,and a standard flywheel and a new set of roller rockers,and an alum intake.
    I really should sell all that stuff.
     
  14. pie pie
    Joined: Jun 29, 2008
    Posts: 673

    pie pie
    Member
    from missouri

    I will post more pictures after I get it pulled out of the weeds to see what all I have to work with.
     
  15. MO_JUNK
    Joined: Jan 22, 2006
    Posts: 1,048

    MO_JUNK
    Member
    from Rolla, Mo.

    Godlemmy, my stock 472 was rated at 365Hp and 525 ft. lbs. of torque. I bumped it up at little with 9.8-1 pistons and an RV type cam and springs. I wanted a stock converter and reliability for long trips. It should be fun. If I could have found a 500 crank I would have bought the 500 pistons. But, 500 cranks are not cheap now. I did find an Eldorado rear sump pan and pickup from a fellow Hamber. Caddy.JPG
     
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  16. Jibs
    Joined: May 19, 2006
    Posts: 1,524

    Jibs
    Member

    Yep, good engines. I have a 472 in my 47 Chevy sedan, 22 years, probably 120,000 miles, 20 miles to the gallon at 70 mph. Also have a 500 in my avatar, lots of torque. 47.jpg
     
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  17. BJR
    Joined: Mar 11, 2005
    Posts: 6,507

    BJR
    Member

    1970 Cad 472 is listed as 375 HP with around 500 lbs of torque BONE STOCK..
     
  18. 37slantback
    Joined: May 31, 2010
    Posts: 396

    37slantback
    ALLIANCE MEMBER

    This is weird. An old school buddy called me this morning and asked if I wanted a 472. I told him no but maybe I need to check into this some more. Good stuff here.
     
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  19. elmitcheristo
    Joined: Nov 10, 2007
    Posts: 351

    elmitcheristo
    Member

    I had a 69 Coupe DeVille that I sold earlier this year. The 472 is not an attractive engine, but man did that thing have grunt!
     
  20. pie pie
    Joined: Jun 29, 2008
    Posts: 673

    pie pie
    Member
    from missouri

  21. Rand Man
    Joined: Aug 23, 2004
    Posts: 3,557

    Rand Man
    Member

  22. They are great engines. You won't regret it. My avatar sedan has the 472. It has thousands of miles on it. It's been abused for 13 years and still runs mid 11's in the 1320. Just don't over-rev(past 4400 rpm). In stock form the valve train is the weak link. I have another 472 that's gonna get some speed goodies and then it'll go in the Sedan. Hoping to just break in to the 10's.
     
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  23. pie pie
    Joined: Jun 29, 2008
    Posts: 673

    pie pie
    Member
    from missouri

  24. advice from someone who's been there..
    Prolly a good idea to wrap the exhaust pipe where it gets anywhere near the starter, and then look up or google the GM starter remote solenoid conversion. It amounts to using a Ford style starter solenoid in a cooler location such as firewall or fender because the GM starter is getting cooked. It was a common prob on relatively stock v8 Chevies a long time ago.
    I recommend an oil temperature gauge in the oil pan. You need to monitor the oil temp to tell you when you have a heat problem. You can save a crankshaft that way. It took me two crankshafts to learn the hard way how to make the Studellac last on long trips while towing. Nothing was out of the ordinary until a few hours on the highway, then the heat-soak reached its limits and the temps started climbing to failure levels. Oil cooler time! Now I can tow cross country with no probs. If you tow or drive on long trips, there will be a tremendous amount of heat to get rid of, and most engine compartments have dead air places that will let the temperatures slowly climb to critical levels, but only during a long drive.
    Lots of engine compartment air flow, oil cooler, a carefully planned heat shield or two, and you can make it work in a smaller car that wasn't made for such a huge huge heat output :)
     

    Attached Files:

    Last edited: Dec 5, 2016
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  25. bobbytnm
    Joined: Dec 16, 2008
    Posts: 1,375

    bobbytnm
    Member

    Go for it! They are great engines. They make tons of torque, the blocks have a high nickel content so they are danged tough. Dimensionally they are not that big of an engine and only weigh 50 or so pounds more than a SBC. Here's mine in a 49 Ford truck.
    [​IMG]

    Bobby
     
  26. Yes. Floats valves after that. Trust me these Cadillacs pull hard in a light weight car up until that point when tuned correctly. Many including myself have been surprised by the performance these engines.

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  27. godlemmy
    Joined: Apr 5, 2006
    Posts: 60

    godlemmy
    Member

    The hp stats before 1972 were for gross hp. After 72 they were net hp. Look in a chilton. Same motor but rated under 300 hp. Definitely need to upgrade valve train for more than just a cruiser. Just dropped one in my OT monte carlo. Can't wait to start on my 39 dlx so I can put one in that too.

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  28. Jibs
    Joined: May 19, 2006
    Posts: 1,524

    Jibs
    Member

    Heres a example of what happens when you go over 5000 on a burn out. 8-piston 1.jpg
     
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  29. falconsprint63
    Joined: May 17, 2007
    Posts: 2,359

    falconsprint63
    Member
    from Mayberry

    not the prettiest engines but torque monsters. I'd go with a pre emissions 472 over the 500 given the choice based on all my reading on the subject.

    I usually use earlier ohv caddy power, though

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  30. bobbytnm
    Joined: Dec 16, 2008
    Posts: 1,375

    bobbytnm
    Member

    If you can find it, I'd highly recommend the book "Big Inch Cadillac" by Doc Frohmader.
    [​IMG]

    Its a fantastic book with tons of great info. The main article is pretty interesting about how he built one of these engines. But along with the main article is lots of good info on parts interchange, specs, and availability. If you can find a copy for a good price, snag it.

    Bobby
     
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