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Technical I found a 64 Riviera - engine question

Discussion in 'The Hokey Ass Message Board' started by Capochi, Aug 25, 2016.

  1. Capochi
    Joined: Feb 28, 2008
    Posts: 143

    Capochi
    Member

    Hi guys !!, I'm interested in 64 Riviera here in Italy, is in a good condition, some rust in the right corner under the rear window, I think is a classic point of rust in the Rivieras, and another point of rust in the roof rail the interior is in good condition the problem is the engine, it is not the original 401 the car mounts to 322 Nailhead; the question is, is a small engine for the 'car, it is a reliable engine ??

    Here the pics:

    [​IMG]

    [​IMG]

    Thanks!

    Sent from my ALE-L21 using The H.A.M.B. mobile app
     
  2. 1934coupe
    Joined: Feb 22, 2007
    Posts: 4,651

    1934coupe
    Member

    Are saying that it has a 322 cu. in. engine? That's a 53 to 56 vintage engine, 160 factory hp. Are you sure it's a 322? If it's moving the car along now it should be fine. 53 to 56 Buicks were as heavy as that Riviera which by the way looks pretty nice.

    Pat
     
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  3. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 8,924

    mgtstumpy
    Member

    Should be a 425 with 340hp @ 4400 rpm and 465 ft/lbs torque @ 2800 rpm

    322 (53-56) is 164hp-255hp

    401 (59-66) is 265hp-325hp

    Try here
     
  4. Capochi
    Joined: Feb 28, 2008
    Posts: 143

    Capochi
    Member

    Yes, is a 322 cu. Thanks Pat

    Thanks for the info!

    Yes Guys, the car was imported from USA in the 90's someone swaped the engine and put the 322 Nailhead, a 5.3L , I search on internet but not found nothing about this kind of swap, I think it is not very common.

    I don't know if the 322 nailhead is small or is ok for a 64 Riviera...

    Grazie!
     

  5. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 8,924

    mgtstumpy
    Member

    Super V8: 286ft lbs torque @ 2200 RPM Not as much torque to move it off the line by comparison to the OEM engine, 465 ft/lbs torque @ 2800 rpm
     
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  6. 322 is a good engine, but it wont move that Rivi near as well as the 425 or 401 would. At least it has a Nailhead in it. Curious how well it all fits in there. Different motor mounts starters and such. The bell housing is the same as the 364 to 425 series I believe. I have played with a bunch of 364 to 425 motors and they are outstanding motors. The car looks great. Make sure all the electrics are good in it as well. Most of those that I have seen have power windows and such and get very expensive to repair and sometimes tough to track down parts for.
     
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  7. The '53/'54 322s are not really desirable for a hot rod, in stock form they are fine. I don't remember all that is undesirable about them but a quick search should show you a thread about them.

    It should pull you down the road fine but it won't be like driving a Riviera.
     
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  8. 31Apickup
    Joined: Nov 8, 2005
    Posts: 2,768

    31Apickup
    ALLIANCE MEMBER

    I really doubt they put a 322 in it, maybe a 364. A 322 has a different bellhousing pattern, so the Riv trans doesn't work. If the used the 322 trans it would be for a torque tube, etc. Not a direct bolt in swap.
     
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  9. Dave Downs
    Joined: Oct 25, 2005
    Posts: 902

    Dave Downs
    Member
    from S.E. Penna

    Looks like it is time to check some engine numbers to verify that it is a 322.
     
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  10. Capochi
    Joined: Feb 28, 2008
    Posts: 143

    Capochi
    Member

    The seller assured me that it is a 322, the next time I will see the car eand check the cast numbers and the electric issues. The car have a complete interior in godd conditions and has the power windows but I have to check if they work

    Yes, I will do, but how to recognize a 364 to a 322??


    Thanks Guys!
     
  11. patterg2003
    Joined: Sep 21, 2014
    Posts: 716

    patterg2003

    I go to the TeamBuick site for anything Buick. Good place to start for information.
    This is a list of the casting numbers for major parts used in the nailhead family. 364 and 401 are used in the same years of cars from about 1959 to early 60's when it was retired. A lot of parts are interchangeable between 364's and 401's.
    The link to the casting numbers.
    http://www.teambuick.com/reference/casting_numbers_nailhead.php
    The link to the Team Buick reference section and homepage.
    http://www.teambuick.com/reference/index.php
    http://www.teambuick.com/index.php
    The Buick 364 and 401 have different intakes and blocks so a good place to start checking numbers.
    Fingers crossed that it is at least a 364. A decent engine especially in the 300hp version. I was considering one for my 40 Ford so I was reading up on the Nailheads.
     
    Last edited: Aug 27, 2016
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  12. Mr48chev
    Joined: Dec 28, 2007
    Posts: 30,038

    Mr48chev
    ALLIANCE MEMBER

    Sounds like it may have had the engine blown up not long after being imported and the engine in the car now was the Buick Nailhead that was available at the time and rather than swap to a Chevy or Olds or Pontiac engine they put that one in. I'd expect that there is a one off adapter between the engine and trans.
    As far as normal on the road driving the 322 has enough power to keep up with traffic but may be a bit under powered on steep mountain grades and have to keep out of the way of the fast cars on the Autobahn. Cruising at 80 is easy, cruising at 110 is working it a bit.
     
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