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Thread: 83 suburban 6.2 auto-93 6.5+5 speed swap

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  1. #1
    Join Date
    Apr 2010
    Location
    Western WI
    Posts
    19

    Default 83 suburban 6.2 auto-93 6.5+5 speed swap

    Well sometime soon Im going to begin my swap. I have an 83 suburban I cut up and turned into an avalance . Now the 6.2 is tierd out (along with the tranny) and misplaced all the antifreeze into the pan so I found a 93 chevy 2500 with a 6.5 and a 5 speed and paid a grand for it and drove it home.

    What I would like to know is if anyone else has done a similar or the same swap and from my knowledge its a mechanical pump and should be a fairly straight forward swap with the hydrolic clutch. I would also like to take the guages and fit them in the dash of the burban and try n get away with having the speedo tach and rest of the guadges work.

    Thanks
    Joe

    Donor truck



    Suburbalanche
    83 Suburban/Avalanche project
    97 Sonoma 5" susp. lift 1" body lift 33" tires
    04 Buel Firebolt 1200
    08 Phazer RTX/MTX

  2. #2
    Join Date
    Sep 2006
    Posts
    363

    Default

    The NV4500 is a few inches shorter so it looks like some modifications to the drivelines will be needed.

    As far as gauges, some of the newer square bodied styled Trucks/Suburbans that had TBI engines used an electrical speedometer. You might be better off to find one of these. On my Suburban, I moved the fuel gauge down to the blank on the lower left and installed an aftermarket RPM gauge in its place. It looks stock.
    1990 ¾ ton 4x4 Chevy Suburban
    -Cummins Diesel - 12 valve - factory rebuilt
    -6 speed bullet proof manual transmission - NV5600
    -Gear Vendors Overdrive
    -Upgraded Holset HX-35 turbo
    -NP205 iron transfer case
    -3.73 gears

    1982 ½ ton Chevy Suburban
    -6.2L diesel - high nickle crack free 1982 block
    -Stans headers
    -Ported heads
    -Timing gear
    -4 speed automatic
    -3.08 gears
    -30 mpg on freeway

  3. #3
    Join Date
    Sep 2006
    Posts
    363

    Default

    Here's a picture of my dash to show you what I mean.

    1990 ¾ ton 4x4 Chevy Suburban
    -Cummins Diesel - 12 valve - factory rebuilt
    -6 speed bullet proof manual transmission - NV5600
    -Gear Vendors Overdrive
    -Upgraded Holset HX-35 turbo
    -NP205 iron transfer case
    -3.73 gears

    1982 ½ ton Chevy Suburban
    -6.2L diesel - high nickle crack free 1982 block
    -Stans headers
    -Ported heads
    -Timing gear
    -4 speed automatic
    -3.08 gears
    -30 mpg on freeway

  4. #4
    Join Date
    Apr 2010
    Location
    Western WI
    Posts
    19

    Default

    thanks for the pic! I dont know what Ill do but itll be down the road when I decide, but the dash will probly end up being custom since I want to put lots of guadges in it


    thanks
    Joe
    83 Suburban/Avalanche project
    97 Sonoma 5" susp. lift 1" body lift 33" tires
    04 Buel Firebolt 1200
    08 Phazer RTX/MTX

  5. #5
    Join Date
    Apr 2010
    Location
    Western WI
    Posts
    19

    Default

    Well 2 cousins and me got really bored today and actually pulled the 6.5 outa the donor truck! Not sure what tranny I got (5 speed manual) but I hope it has potential to hold a lil more than stock power, heres some pics. The block has a # casted in the back its 10149599 dono what castings are better than the rest but I got a deal on a complete running truck so this is what ill take.

    Thanks
    Joe






    83 Suburban/Avalanche project
    97 Sonoma 5" susp. lift 1" body lift 33" tires
    04 Buel Firebolt 1200
    08 Phazer RTX/MTX

  6. #6
    Join Date
    Mar 2000
    Location
    South Central Pennsylvania, USA
    Posts
    2,697

    Default

    The trans is a NV4500 - pretty stout.
    '94 GMC 6.5TD K1500 4L80E 2-Door Yukon SLE 221K
    '93 Chevrolet 6.5TD K2500HD NV4500 Std. Cab Longbed 187K
    '85 Toyota 22R RN60 4x4 Std. Cab Shortbed 178K (Currently retired for rebuild)
    Diesel Page Member #2423

  7. #7
    Join Date
    Sep 2006
    Posts
    363

    Default

    Quote Originally Posted by ThatOneGuy View Post
    Well 2 cousins and me got really bored today and actually pulled the 6.5 outa the donor truck! Not sure what tranny I got (5 speed manual) but I hope it has potential to hold a lil more than stock power, heres some pics. The block has a # casted in the back its 10149599 dono what castings are better than the rest but I got a deal on a complete running truck so this is what ill take.

    Thanks
    Joe
    [/IMG]
    Yeah, the N4500 was also offered with the Dodge Cummins which put out considerably more power than the 6.5L. The biggest issue with them was the 5th gear nut backing out. You might want to take a look at that and do some mods so it can't back out. Also, I've heard that it's not a good idea to run too much power through it in 5th gear but I doubt the 6.5L would put down enough power for that to be a concern.
    Last edited by Edahall; 08-09-2010 at 08:45.

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