Engine swapping.

Discussion in ''Da Nailhead' started by Kurt Larsen, Nov 3, 2018.

  1. Kurt Larsen

    Kurt Larsen Member

    Hi,i have a 1966 Electra 225 engine 401 nailhead,engine is no god can i usa a 350,or 430 etc....? or what can i use ? Bolt on? Kind Regards Kurt
     
  2. flynbuick

    flynbuick Super Moderator Staff Member

    1964, 1965 or 1966 401 cid or 425 cid Buick are the closest to bolt on.

    A 350 Buick is too weak for the mass of the car. 350, 430 and 455 Buicks are a different engines series, and will require more work.
     
  3. telriv

    telriv Well-Known Member

    Kurt,

    The ONLY true bolt-in would be a '64-'65-'66 from a Full Size car or a Riv. Whatever you do locate the engine code in front of the valley pan on the right side. This will tell yr. & CID. In your case the engine code would be MT if it's the original engine from your car. Going further the engine VIN on the left side will identify what it came out of. If you find a '65 or '66 GS engine out of a Skylark GS you will have to swap oil pans & oil pump pick-ups. EASY JOB.
    You can use a '63 or earlier by using an adapter in the rear of the crank to convert from a DynaFlow crank to a TH400 crank which is what you have in your Electra.
    BEFORE PURCHASING ANY ENGINE it MUST be still installed in the vehicle so you can hear it run & access it's condition.
    MAYBE you would be further ahead to just have yours rebuilt by someone who knows "NailHeads".


    Tom T.
     
  4. Kurt Larsen

    Kurt Larsen Member

    Hello and thanks . I have change the hest box to a TH 400 Chevrolet , no SP400 any more.
     
  5. Kurt Larsen

    Kurt Larsen Member

    The engine miss when i got the car. I live in Norway so it’s not easy too find parts like in the US. I have seen some Electra here in Norway with 350 chevy in. Small block. I have tried to put a 400 Pontiac 69mod but the engine is too high. And oil pan does not fits do to steering axel etc.,,
     
  6. Houmark

    Houmark Well-Known Member

    What is wrong with the current engine? If it isn't something critical, your best option is perhabs to fix it..

    In Danish:

    Hvad fejler motoren? Hvis det ikke er noget voldsomt, så er det lettest at reparere den..
     
  7. Kurt Larsen

    Kurt Larsen Member

    Engine is missed
     
  8. Houmark

    Houmark Well-Known Member

    If I find one in Denmark, would you be able to pick it up? Where in Norway do you live?
     
  9. flynbuick

    flynbuick Super Moderator Staff Member

    If Houmark does not find one in Denmark, try Erik in the Netherlands. He has a lot of connections in Europe.
     
  10. Kurt Larsen

    Kurt Larsen Member

    ITS a lot of engines her in Norway, but i don’t want to have nailhead in it. I live in Stavanger
     
  11. Kurt Larsen

    Kurt Larsen Member

    I had a 67Electra year s ago it had 430 engine can’t remember if frame and front are same on 66 and 67. Anyone ho knows?
     
  12. flynbuick

    flynbuick Super Moderator Staff Member

    67 68 Electra frames are the same part numbers. A 66 is not the same as 67-68. A 65 is not the same as a 66.
     
  13. Houmark

    Houmark Well-Known Member

    So your question is, what engine you can drop in other than the nailhead? I have a 65' Electra with the 401, and I wouldn't have it any other way..

    If your fabricating skills is up to the task, you can drop every other engine in..

    I worked rotation in Stavanger..
     
  14. Kurt Larsen

    Kurt Larsen Member

    Ok so the engine in 65 is not like the one in 66? I think if I go a engine with center sump oil pan it maybe will fit?
     
  15. Kurt Larsen

    Kurt Larsen Member

    Ok så da er du i Stavanger fra tid til anden. Jobber du i olje industrien? Jeg jobber i Schlumberger offshore
     
  16. Houmark

    Houmark Well-Known Member

    64 - 65 - 66 is the same, so you could drop a 65 nailhead rigth in..

    I worked man-hire company, and was hired out to Cre8, Hitec and Oceaneering..
     
  17. Kurt Larsen

    Kurt Larsen Member

    Ok, vet du om noen nailheader til overkommelig pris da? Har ikke gearkasse som passer nailhead heller lengre. Det satt en SP400 i min bil originalt.
     
  18. Houmark

    Houmark Well-Known Member

    Jeg kan høre omkring.. Th400 er vist magen til en sp400, bare uden sp converteren..

    I will hear some people here in Denmark..

    FlynBuick, will the Th400 work on a nailhead? Sp400 and Th400 is almost the same, just without the switch pitch converter?
     
  19. Bigpig455

    Bigpig455 Fastest of the slow....

    TH400 wont work without an adapter plate - very different BOP bellhousing pattern. You probably could build a ST400 Nailhead case with TH400 internals, and delete the SP feature but why bother? It's be easier to find the correct parts and enjoy the converter! If anyone has parts for these guys, I know a guy in CT that sends containers over to Sweden 2-3 times a year.
     
  20. flynbuick

    flynbuick Super Moderator Staff Member

    No I think a 64, 65 or a 66 401 or 425 Buick would work except for a GS (A body) donor. See Tom's post above. The architecture of the big block Buick engines were changed beginning with the 67 model year.
     

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