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250 or 292 in 1938 chevy truck

Discussion in 'The Hokey Ass Message Board' started by johnie22, Jul 8, 2011.

  1. johnie22
    Joined: May 25, 2008
    Posts: 50

    johnie22
    Member
    from so-cal

    would like to see some pics.if any one has put, one of these motors in a 1938 chevy 1/2 ton pickup.also any info on install of motors,like firewall or fan space.thanks.
     
  2. neatoldclassics
    Joined: Mar 1, 2008
    Posts: 187

    neatoldclassics
    Member
    from Montana

    Let's see some pictures of the truck????
     
  3. johnie22
    Joined: May 25, 2008
    Posts: 50

    johnie22
    Member
    from so-cal

    just got the truck and dont have pics yet,will post some tomorrow.thanks for the info.
     
  4. Little Terry
    Joined: Oct 17, 2007
    Posts: 808

    Little Terry
    Member

    I would be interested in the same thing too as I have a 292 to go in a '41. Apologies for hijacking your thread mate.
     
  5. Little Terry
    Joined: Oct 17, 2007
    Posts: 808

    Little Terry
    Member

    I think that these block are about 2" longer than the earlier sixes and would guess that the best solution is to just leave the firewall alone and modify the rad housing to suit. Would flipping the brackets that are soldered to the rad work? Looks like it would on mine if I could sweat them off without melting every other bit of solder in the vicinity. Only issue might be the grille profile if it is smaller on the '38?

    I was planning on making a motor plate to support the front of the block using the stock front crossmember and removing the side mounts from the motor. That would mean running a stock type of mount on each side of the bellhousing though. I ***ume you are hoping to run with three pedals?

    LT.
     
  6. inlinr6
    Joined: Oct 27, 2009
    Posts: 344

    inlinr6
    Member

    I know its not the vehicle your talking about, but I have a 250 chev in my 48 ford,recess is made out of a $.50 steel cake pan from a thrift store;pic is from mock up.also using a 68 mustang 3 core rad,just get a water neck pointing the other way and your set.250 is also shorter than the 62 and earlier engines.I also have a 37 PU and will be using the same things learned on the 48.Glad your stickin with a six,post some pics!
     

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    Last edited: Jul 8, 2011
  7. tb33anda3rd
    Joined: Oct 8, 2010
    Posts: 17,588

    tb33anda3rd
    Member

    i don't have pictures right know, but i have a '39 gmc with an '82 292 in it. the firewall did not have to be cut. radiator is from a late 60's dodge dart... i think, but i can get the part number. i used the original thermostat housing, it fit the and pointed the right way.
     
  8. OldBuzzard
    Joined: Mar 8, 2008
    Posts: 878

    OldBuzzard

    A '40 GMC pickup radiator might do it. Bolts right in except for a little t******* on the piece of sheet metal in the upper tank area. The '38 in the avatar has been that way since the '50's with a 270 GMC in it. Very close to the length of a 292.
     
  9. tb33anda3rd
    Joined: Oct 8, 2010
    Posts: 17,588

    tb33anda3rd
    Member

    let's see if these pictures load.
     

    Attached Files:

  10. 1950ChevySuburban
    Joined: Dec 20, 2006
    Posts: 6,185

    1950ChevySuburban
    Member Emeritus
    from Tucson AZ

    A 250 / 292 is 1.5" longer than yours. I moved my radiator forward a bit on the '50.
    You get extra credit points if you graft that GMC valve cover into your new one!
     
  11. 38Chevy454
    Joined: Oct 19, 2001
    Posts: 6,800

    38Chevy454
    ALLIANCE MEMBER

    The 292 is the same length, but a little taller than the 250. Taller deck height. If you are choosing one, I would go for the 292, more cubes. You have plenty of height room before worrying about hood clearance.
     
  12. tb33anda3rd
    Joined: Oct 8, 2010
    Posts: 17,588

    tb33anda3rd
    Member

    height isn't a problem. i originally had a 250 in mine before i built the 292 [10 over making it almost a 302] and if i remember right, it's been 20 years since i changed it, the p***enger side motor mount is different and the radiator had to be moved forward
     
  13. tb33anda3rd
    Joined: Oct 8, 2010
    Posts: 17,588

    tb33anda3rd
    Member

    i'll take the extra points...that is the 292
     
  14. tb33anda3rd
    Joined: Oct 8, 2010
    Posts: 17,588

    tb33anda3rd
    Member

    radiator part number;1230354 fit well in my '39 should work in the '38
     
  15. 55 dude
    Joined: Jun 19, 2006
    Posts: 9,357

    55 dude
    Member

    the p***enger side motor mount on the 292 is farther foward, the 194,239,250 mounts are directly across from each other side to side. go for the 292 tons of torque but both good engines.
     
  16. johnie22
    Joined: May 25, 2008
    Posts: 50

    johnie22
    Member
    from so-cal

    thanks for the info. nice gmc valve cover.
     
  17. tb33anda3rd
    Joined: Oct 8, 2010
    Posts: 17,588

    tb33anda3rd
    Member

    it was the original to the truck.
     

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