Register now to get rid of these ads!

Chevy 348-409 outward difference

Discussion in 'The Hokey Ass Message Board' started by oldiron73, Aug 13, 2010.

  1. oldiron73
    Joined:
    May 26, 2009
    Posts:
    302
    Location:
    WISCONSIN

    oldiron73 Member

    Just wondering if looking at a 348 and 409 engine, is there any outward difference that is different between the two engines.
    I had not had a chance to get the casting numbers yet.
  2. REM/Mo
    Joined:
    Feb 24, 2008
    Posts:
    281
    Location:
    Missouri

    REM/Mo Member

    The dip stick is on the right on the 409 and left on 348 but the pans are interchangeable so it might not be an accurate indicator.
  3. pg409
    Joined:
    Sep 27, 2009
    Posts:
    104
    Location:
    Prince George BC Canada

    pg409 Member

    There is a large 348/409 clubsite that has tons of info on it.

    Go to : www.348-409.com
  4. Lots of info at the HAMB's 348-409 social group too. Click on the link below to go there.
    Register now to get rid of these ads!

  5. tommy v
    Joined:
    Mar 4, 2005
    Posts:
    1,972
    Location:
    manteca,cal

    tommy v Member

    yup
  6. 38FLATTIE
    Joined:
    Oct 26, 2008
    Posts:
    4,363
    Location:
    Colorado

    38FLATTIE Member

    If the engine is out of the car, look at the crank, where the flywheel bolts on. If it's round, it's a 348, if it's D shaped, a 409.
  7. tommy v
    Joined:
    Mar 4, 2005
    Posts:
    1,972
    Location:
    manteca,cal

    tommy v Member

    348 have orange valve covers and 409 's had sliver or chorme, if you don't have a list of #'s i look at the casting date on the heads if it's 58 -60 you know it's a 348 or 62 -65 it's 409 ,61 more than likly it's a 348 but check it out, i bought a 348 with 409 pan and chrome covers at a swap meet and everyboby that walked by and looked at it thought it was a 409 just because of the pan and covers
  8. chickenridgerods
    Joined:
    Jul 22, 2003
    Posts:
    1,100
    Location:
    Central Iowa

    chickenridgerods Member

    Can't determine based on dipstick location.

    The only accurate method of determination on an assembled engine is the casting number. While the crankshaft flange is a good indicator on what's likely to be a stock engine, it obviously won't work for those that have had the 409 crank installed in a 348, or a BBC crank installed in either.

Share This Page

Register now to get rid of these ads!

Archive

Copyright © 1995-2013 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Terms of Service. Privacy Policy.

Atomic Industry
Forum software by XenForo™ ©2010-2014 XenForo Ltd.