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Rebuilt 258

Discussion in 'Intermediate CJ-5/6/7/8' started by High5, Aug 31, 2006.

  1. Aug 31, 2006
    High5

    High5 Member

    Urbandale, IA
    Joined:
    Jan 13, 2005
    Messages:
    802
    Hey guys,

    I have a line on a rebuilt 258 around here that seems to be a good deal, but I wanted some input here. New main bearings, the crank has been ground, new cam bearings, cam, lifters, timing chain, the head has been boiled, 3 way valve job, and it has all been painted. It's sitting in a garage and hasn't been installed or ran since rebuild.
    It was not bored, did not need it.

    Is 400 bucks a good price?????

    High5:beer:
     
    High5, Aug 31, 2006
    #1
  2. Aug 31, 2006
    barry

    barry Inquisitive Member

    Earp, CA
    Joined:
    Sep 23, 2002
    Messages:
    195
    I paid $700 for a used one in a junkyard.
     
    barry, Aug 31, 2006
    #2
  3. Aug 31, 2006
    High5

    High5 Member

    Urbandale, IA
    Joined:
    Jan 13, 2005
    Messages:
    802
    Barry,

    I see you have an '83 258. Anything to look out for in those engines???

    Thanks for your comment

    High5
     
    High5, Aug 31, 2006
    #3
  4. Aug 31, 2006
    lynn

    lynn Time machine / Early CJ5 HR Rep Staff Member

    Huntingdon PA
    Joined:
    Sep 20, 2002
    Messages:
    3,437
    If you rebuilt your own 258 to those specs, with your own labor, you'd have more than than that in it.

    Is this verbal, or have you seen the receipts?
    Was it ever started on a stand to assure it runs?

    Sounds good if all is as you described.
    Good luck, let us know!
     
    lynn, Aug 31, 2006
    #4
  5. Aug 31, 2006
    High5

    High5 Member

    Urbandale, IA
    Joined:
    Jan 13, 2005
    Messages:
    802
    No it was never started. There are no accessories on it or bracketry. Just the long block. He has turned it over by hand and assures me that it was put together with lube and that there is oil in the pan. I have seen pictures and it looks really really clean.

    High5
     
    High5, Aug 31, 2006
    #5
  6. Aug 31, 2006
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
    Joined:
    Aug 10, 2003
    Messages:
    23,596
    Sounds like a good price considering all the new parts included. Were new rings installed? Engines are overbored when the bore taper is so large that the rings would wear out quickly. No overbore doesn't necessarily rule out new rings.

    If they didn't overbore, then callng it "rebuilt" is generous. I would say overhauled, not rebuilt. The overbore is the expensive part becasue you have to replace the pistons.

    There are 2 main versions of 258 - heavy and light. The heavy version was from 1971-1980 and has a heavier block, 12 crank counterweights, and cast iron manifolds. The light version is from 1981 on and has a lighter (thinner) block, 8 counterweights, and lighter manifolds (aluminum 2V intake). There's supposed to be about 80 lbs difference between them. Functionally they are the same, and one can sub for the other, but the heavier engine is probably better for a Jeep (heavier crank, smoother at low speed).

    Used 258s aren't very expensive, at least around here. If you are looking for a used engine, I'd check your local Jeep/4WD forums. I wouldn't expect to pay more than say $200 for a used 258 in running condition. Junkyards, of course, will be much higher than private party sales.
     
    timgr, Aug 31, 2006
    #6
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