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6.5 Turbo on an '82 6.2?

Discussion in '1982-Present GM Diesel' started by surg82k5, Jul 10, 2001.

  1. surg82k5

    surg82k5 1/2 ton status

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    6.5 Turbo on an \'82 6.2?

    I may be able to get my hands on a 6.5 turbo system. How difficult is it to put it on my 6.2. is it worth it and do I really need to change injectors or could I possibly run complete custome exhaust to cure the problem. I am not a member of the 62-65 dieselpage but I know that some of you guys might be. Could you please give me a good idea about what i might be getting my self into. thanks
    sergio

    Check out my new website. <A target="_blank" HREF=http://www.surg82k5.rockcrawler.com>http://www.surg82k5.rockcrawler.com</A>
     
  2. Cbody

    Cbody Registered Member

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    Re: 6.5 Turbo on an \'82 6.2?

    You don't need to change injectors to make it work, but you will want to crank up the injector pump a bit to take advantage of the turbo, otherwise it's not worth the effort. When you say "system", I assume you mean the manifolds and crossover as well? If that's the case then there's very little that needs to be fabricated, although depending on your truck having a/c or not, you may have to cut the heater box for clearance as the turbo can interfere since it hangs over the side quite a ways. Any competent exhaust shop can make the exhaust pipe from the turbo back. You will need to plumb in the oil feed and return line into the 6.2 as well, but that's no big trick either since the feed line tapped hole is already in place, all that needs to be done is to create a new return fitting somewhere on the engine, fuel pump plate, oil pan, etc. The intake "hat" will fit on your current intake manifold as well. The whole setup is nearly a bolt on affair so if the turbo is priced right I'd go for it.
    Jay

    http://kenalbin.com/jay.html
     
  3. DieselDan

    DieselDan 1/2 ton status

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    Re: 6.5 Turbo on an \'82 6.2?

    I not sure but a thought there was an interferance problem runnin the 6.5 turbo system on a 6.2. The injector location is different and interfers with the exhaust manifold. The solutions (I've heard) are to use 6.5 heads and injector lines (or tweak the old ones), fabricate spacers for the exhaust manifolds, or run the Van (short) style injectors with appropiate lines. This IS all hearsay as I haven't done it, myself.

    Real trucks don't have spark plugs!
     
  4. Cbody

    Cbody Registered Member

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    Re: 6.5 Turbo on an \'82 6.2?

    That might be an issue, the 2 I've swapped were later 6.2's ('89 up) so I can't say for certain. I'll see if I can get a sec tomorrow and check out a few older engines to see if I can confirm that visually.
    Jay

    Edit, forgot to mention, I was thinking of flow rates instead of physial size in the first post.

    http://kenalbin.com/jay.html <P ID="edit"><FONT SIZE=-1>Edited by Cbody on 07/10/01 07:53 PM (server time).</FONT></P>
     
  5. surg82k5

    surg82k5 1/2 ton status

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    Re: 6.5 Turbo on an \'82 6.2?

    hey thanks a lot i will be anxiously wating to hear from you,
    sergio

    Check out my new website. <A target="_blank" HREF=http://www.surg82k5.rockcrawler.com>http://www.surg82k5.rockcrawler.com</A>
     

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