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Unlimited 91 Suburban build up!!!

Discussion in 'The Garage' started by DaPlumber, Oct 22, 2005.

  1. DaPlumber

    DaPlumber 1/2 ton status

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    Well, I have been working on the my Unlimited 91 Suburban build up!!! So far I have Dana 60 with 5.13's, Yukon 35 spine inner and outer axles new kingpens, OX U-Joints, ARB and ORD cross over steering, spindle seal kit wheel bearings and single wheel bearing hub's and rotors, all new parts and the same for the 14FF ARB and 5.13 with TSM rear calipers with parking brake's S/S brake lines.
    BDS 8" springs and a 3" body lift with poly bushings. ORD steering brace and greasable suspension bushins all the way around 1" zero rate add a leaves. Heavy duty front shackles and a lot of other parts..
    NOW, the motor Is a GM marine HP3 with over 600hp and 600ft-lbs of torque, GM has been working with me hand and hand on this motor. PCM (computer) with harness, custom programming, TAC module and electronic pedal are from Speartech out of Anderson, Indiana.
    Ok, I am still try to make up my mind on the Trans. I am running an ORD gen2 doubler. Would like to run an Allison but do not have any experience with one. Is the output shaft 32 spline and the proper diameter? If so can you just re-drill the face of the NP-203 and bolt the case directly to the tranny and plug the existing holes to prevent oil leaks. Or do you need an adapter to mount the np203.
    Thank you for you time, Matt!!!
     
    Last edited: May 10, 2006
  2. BigCountryx

    BigCountryx 1/2 ton status

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    I've got no input, but :eek1: That thing sounds Badass!!
     
  3. cbbr

    cbbr 1 ton status GMOTM Winner

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    That is exactly what I was thinking. Wow. :bow:
     
  4. DaPlumber

    DaPlumber 1/2 ton status

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    Well, Its getting there!!!

    2006-05-05 07-29-16_0013.jpg
     
  5. txfiremank5

    txfiremank5 1/2 ton status

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    You forgot to mention what size meats your runnin'.

    Also, why is there a handicapped plate on there? Anyone who can get in and out of that thing certainly isn't in need of a plate.

    Great looking sub :waytogo:
     
  6. muddybuddy

    muddybuddy 3/4 ton status

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    must be 40's sine they are mtr's.

    very badass!!
     
  7. nad

    nad 1/2 ton status

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    That's a big bitc*!! Damn, sweet rig dude.
     
  8. 1-ton

    1-ton 1/2 ton status Premium Member

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    I cannot help you either with the Allison question, but do you You have more pictures of this build up available? I have a 1985 1-ton single cab dually, and I was think of getting a 3/4-ton Suburban and transfering all the running gear from my 85 Dually to a Suburban (daul wheels and all). Then I would have a 1-ton dually suburban. I think that would look bad ass.
     
  9. cbbr

    cbbr 1 ton status GMOTM Winner

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    Looks great. Any problems with the H2 wheels - I am going to swap in a 14bff and 60 soon and have H2's.
     
  10. DaPlumber

    DaPlumber 1/2 ton status

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    Why is there a handicapped plate on there? I must be handicapped:haha: :haha: And yes they are 40/13.5/17 MTR's

    2006-05-05 07-28-52_0012.JPG
     
  11. stoney126

    stoney126 1/2 ton status

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    very very cool. what mirriors are those, any issues with the body lift. Again very nice truck :bow:
     
  12. hack500

    hack500 1/2 ton status

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    power mirors, eh? nice burb.
     
  13. surpip

    surpip 1 ton status

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    not all handicapped plates mean wheelchairs


    and ORD made a doubler for the Allison in the extreme 4x4 suburban gorilla show
     
  14. ProJunkRacing

    ProJunkRacing 1/2 ton status

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    yeah but it is a badass burb and i am gonna see if i can find out how many splines the allison is
     
  15. DaPlumber

    DaPlumber 1/2 ton status

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    The power mirors are oem.
     
  16. JoeAngelicchio

    JoeAngelicchio 1/2 ton status

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    Awesome 'burb!!!!
     
  17. BranndonC

    BranndonC 3/4 ton status

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    Lets get this thread back on track guys. No need to beat the issue about the handicapped plate.
     
  18. sledheadak

    sledheadak 1/2 ton status GMOTM Winner

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    specs on the engine??
     
  19. DaPlumber

    DaPlumber 1/2 ton status

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    GM Marine Engine HP3

    GM has combined the previous standard GEN VI short block, with the latest LS1 Cylinder Head and Fuel Injection Technology. HP3 engines have High Flow RECTANGLE (LS1 Cathedral shaped) SPREAD PORT 14 Degree Heads and a New Raised D-Shaped Exhaust ports, with 2.19 int. 1.72 exh. valves. These heads flow 340 on the int. and 250 exhaust. The block is a standard Gen. VI 4.25 bore, 4 bolt mains, Tall deck (10.2) Heavy Duty casting truck block. To increase strength they added (4) EXTRA Cylinder head bolts, making (5) per cylinder. These heads can only be used on these blocks. The fuel injection system is Identicle to the LS1. It has the same (SFI) Sequential Fuel Injection, with a low profile Aluminum intake manifold. It looks exactly like a giant LS1 intake. This engine has the same super efficent COIL ON PLUG IGNITION SYSTEM (distributorless), and a Large 75MM Throttle Body (LS1). This engine has a special Hydraulic Roller Cam (242 252 @ .050 114LS) with a smoother revised firing order 1-8-7-2-6-5-4-3. Like the LS1, this engine has Hyperutectic pistons( 9.5 to 1 ), Forged cracked cap rods (6.535), nodular Iron internally balanced (4.37) stroke Crankshaft, aluminum oil pan w/ windage tray, aluminum timing cover
     
  20. MTChevy

    MTChevy 3/4 ton status Premium Member

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