1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

SM420 to 5.3 Vortec?

Discussion in '40- & 55-Series Tech' started by needamod, Mar 11, 2004.

  1. needamod

    needamod

    Messages:
    122
    Media:
    3
    Albums:
    1
    Likes Received:
    0
    Joined:
    Nov 20, 2003
    I found a decent price on a used 5.3 Vortec out of a '99 GMC half ton. like the SM420 and was wondering if they can be two peas in a pod?
     
  2. woody

    woody unhelpful spotter Staff Member Admin

    Messages:
    10,718
    Media:
    317
    Albums:
    8
    Likes Received:
    2,287
    Joined:
    Jan 15, 2002
    Location:
    Toquerville UT
    I don't believe they share the same bolt pattern at the block....
     
  3. Poser

    Poser Oh...Durka Durka Durka. s-Moderator Supporting Vendor

    Messages:
    20,262
    Media:
    17
    Albums:
    1
    Likes Received:
    547
    Joined:
    Oct 1, 2003
    Location:
    MN
data-matched-content-rows-num="2,1" data-matched-content-columns-num="1,4" data-matched-content-ui-type="image_stacked" data-ad-format="autorelaxed">