1985 International 9670 Rebuild?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Atgoettsch, Jul 3, 2018.

  1. Atgoettsch

    Atgoettsch Bobtail Member

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    Jul 3, 2018
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    I am looking at buying a 1985 International 9670 it has a 350hp cummins with a 9spd but if i buy it id look at putting a new motor in to push at least 400hp or more as well as a 13 or 18 spd tranny im just a truck driver so i dont know all the specifics can it be done on a truck that old let alone a cabover i like the bones this truck has it just needs a boob job anyone have a rough idea of a price line for a rebuilt motor and tranny i could thow in this thing
     
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  3. Oldironfan

    Oldironfan Road Train Member

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    Last time I called a Cummins shop I asked about the same 350 Cummins engine I was told $25,000. I about #### myself when a series 60 is $12,000 inframed.
     
  4. BoxCarKidd

    BoxCarKidd Road Train Member

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    It is not hard to get an extra 50 HP out of a 350 Cummins. Question is the condition of it with the age and mileage. A good old school shop should be able to inframe it and jack it up for $8 or 12K. If it does not have lower press fit liners make it so. You never know what you have tell it's taken apart. Could be scrap. Just my opinion.
     
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  5. Oldironfan

    Oldironfan Road Train Member

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    1985 was first year for LPF liner kits. I think.
     
  6. Dino soar

    Dino soar Road Train Member

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    Search the Cummins big cam threads.

    I can't remember who said it but one of the guys on this site said there's a place I think in Raleigh North Carolina they will give you a brand new rebuilt or remanufactured big cam for I think he said $11,000.

    Someone else will have to help you with the transmission, but you're going to pay more if you don't have the identical transmission to trade for a core. So if you traded a 9-speed for an 18-speed they would probably sock you more for not having the right core. Some 9-speed can be converted to a 13 but I don't know about that era of Transmissions.

    Just some friendly advice. If you're going to buy this truck to run everyday make sure you have plenty of money and time to work it over and make it dependable. Try to buy for as little as possible because believe me, you'll find things wrong with it you never dreamt of and you'll be spending plenty of money.

    I don't mean that to deter you at all because you could buy a late model truck and the same thing could be. But if you really want it to be Dependable, it's really easy to buy a $5,000 truck and in the end you put $20,000+ into it no problem.

    But if you bought an older truck and you put the time and the money into it you would have a piece of gold that's way better than that new junk, especially with a big cam Cummins- The absolute greatest of all time.
     
    Cottonmouth85 and Oldironfan Thank this.
  7. SmokinCAT

    SmokinCAT Road Train Member

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    In frame kit is less than $4K, new cam if a rare one is $1700, heads are $700 exchange a piece, a set of recon injectors are a hair under $800.

    That is around $8900 worht of parts, so that means they wanted to charge over $15K in labor.

    That is plain and simple them giving you a ridiculous price because they didn't want to work on it.
     
    Oldironfan Thanks this.
  8. slickWillie1980

    slickWillie1980 Medium Load Member

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    That was me. Carolina Gear in Raleigh. With the price of 25k it's doubtful they wanted the job or more than likely had no one in the shop who could work on a Big Cam
     
    Tug Toy and Dino soar Thank this.
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