1. CK5 is the classic 1969-91 Chevy K5 Blazer authority

    Since 1999 CK5 has grown to be a leader among full size Chevrolet K5 Blazer and GMC Jimmy web sites across the Internet. We have since expanded to include the C/K series GM Truck and Suburban as well as past and present GM models.

The classic 1969-91 Chevy K5 Blazer authority

Premium Builds

1989 Chevy K5 Silverado - Round 2

1974 C10 "Sancho"

'84 m1009 cucv build

SM465 Trans Swap 1978 K5 Blazer

76 K5: Megasquirt EFI, Electric Fan, and ICON Coilovers

86 K5 -"Jacob's monster truck" with a Cummins swap

M1009 Standard Shift Build(The Greatest Adventure)

2000 OBS SFA SWAP-CAMPER/TOW RIG: USING AND ABUSING

'86 K30 Crew Cab Build

My "Hardcore" 89 Build (Black and Blue).

Adventures with Big Blue - Springtime...

'87 Suburban "down the rabbit hole"

New tow rig build thread. It has been a while.

1975 k5 expedition build

'73 k5 Build - New Drivetrain - 350/3500/241/205

  1. General Discussion

    1. The Garage

      (All Access) This forum is for the general discussion of almost any truck-related topic.
      Threads:
      107,638
      Posts:
      1,228,145
      Latest: How do you run a PTO winch with hydraulics vs. a shaft? Fordum, Sep 26, 2017 at 10:25 AM

    2. The Driveway (build threads)

      (All Access) Document your build here.
      Threads:
      832
      Posts:
      207,890
      Latest: 2008 Suburban HD - 8.1L swap (frankenburban 2.0) Truckman4life, Sep 26, 2017 at 10:24 AM

    3. What is a CK5 Premium Membership?

      Score a FREE membership sticker when you sign up for a Premium Membership and choose the recurring plan.

    4. The Body Shop

      "Rust and Restoration" from soft tops & body work to complete frame off restoration.
      Threads:
      692
      Posts:
      5,512
      Latest: 78 squeek INSIDE roof ?? nvrenuf, Sep 23, 2017 at 6:59 PM

    5. Interior - Stock & Custom

      Door panels | Console | Seats | Floor | Dash
      Threads:
      2,824
      Posts:
      21,737

      1. Audio

      2. Communication (CB | GPS | HAM)

      Latest: Largest dash speaker in the 3.5" dash cutout? Blue85, Sep 26, 2017 at 10:27 AM

    6. Center Of Gravity

      (All Access*) Discuss 4x4 design and construction techniques including suspension theory, fabrication and extreme body modifications.
      Threads:
      222
      Posts:
      4,824
      Latest: Anyone use GM Van steering shaft? diesel4me, Jan 11, 2017

    7. Pre-runner | Desert Racing

      Pre-runner design and desert racing
      Threads:
      81
      Posts:
      2,421
      Latest: The Go Fast Smooth Ride Side Video Thread sreidmx, Sep 2, 2017

    8. 1969-1991 Brochures

      Factory sales brochures from Chevy & GMC
      Threads:
      23
      Posts:
      106
      Latest: 1969 CK5, Jan 6, 2016

  2. Technical Discussion

    1. 1973-1991 K5 Blazer | Truck | Suburban

      Modifications, Troubleshooting, Repairs or Maintenance for the '73-'91 models, most technical help is usually found here...
      Threads:
      48,414
      Posts:
      411,250
      Latest: Atlas 4 vs TWF Hero 3 speed skunked, Sep 25, 2017 at 8:27 PM

    2. 1969-1972 K5 Blazer | Truck | Suburban

      Technical information for "1st Gen-specific" models, anything that is unique to the '69-'72 models is covered here.
      Threads:
      5,598
      Posts:
      53,315
      Latest: Dare I say it...Another 72 K5 build! The Bubba build - getting back into it Z71paramedic, Sep 23, 2017 at 8:30 AM

    3. 1936-Present Suburban

      The longest production run in automotive history deserves it's own forum.
      Threads:
      1,099
      Posts:
      19,301
      Latest: Project MULE - Expedition build on a 1991 1500 4x4 Suburban Big Ray, Sep 22, 2017 at 2:23 PM

    4. 1992-Present Chevy & GMC models

      K5 Blazer | Tahoe | Yukon | Truck | Avalanche | Suburban
      Threads:
      1,337
      Posts:
      10,348
      Latest: Stranded in the mountains - 2003 Silverado, 8.1/Allison Big Ray, Sep 10, 2017

    5. 1983-2005 S-Series models

      S-10 Blazer | S-10 Truck | S-15 Jimmy | S-15 Truck
      Threads:
      428
      Posts:
      2,301
      Latest: 1987 - 1992 2.8 4x4 Oil Pan scrappyk5, Nov 3, 2014

    6. 1982-Present GM Diesel

      K5 Blazer | Jimmy | Truck | Suburban
      Threads:
      3,360
      Posts:
      29,091
      Latest: Got a line on a used Banks sidewinder kit. Upgate: bought it... CrpMag122, Sep 22, 2017 at 8:45 PM

    7. The Injection Section

      EFI | TBI | TPI
      Threads:
      943
      Posts:
      11,413
      Latest: Bad idle stumble heavy iron, Sep 16, 2017

    8. The Engine Bay

      Engine swaps of any kind.
      Threads:
      122
      Posts:
      2,614
      Latest: L18 8.1L swap resource thread bigblock72, Sep 21, 2017 at 1:46 AM

  4. Premium Member Area

    1. Parts & Cash Giveaway

      Check here for the FREE stuff.
      Threads:
      518
      Posts:
      27,366
      Latest: CK5 cash giveaway (October 2017) ends October 15 2017 Captainfab, Sep 25, 2017 at 1:20 PM

    2. The Lounge

      Chit-Chat with fellow Members about off topic subjects.
      Threads:
      71,892
      Posts:
      1,044,159
      Latest: PAD - Photo-A-Day ekajkrats, Sep 26, 2017 at 10:26 AM

    3. Regional Members

      If you're looking for others in your area check out our "Regional Members" forums for friends in your area.
      Threads:
      15,122
      Posts:
      152,475

      1. Pacific Region

      2. Rocky Mountain Region

      3. Plains Region

      4. Midwest Region

      5. Mid-Atlantic Region

      6. New England Region

      7. Southeast Region

      8. North Region

      Latest: CO: Sept 24th Trail run - change of plans Bent77, Sep 24, 2017 at 7:35 PM

    4. Articles (advanced previews)

      Advanced previews of product reviews and tech articles.
      Threads:
      –
      Posts:
      –
      (Private)

    5. GM Of The Month Voting

      Vote for your favorite CK5 Member rigs, winner gets their rig on the front page for a month!
      Threads:
      –
      Posts:
      –
      (Private)

    6. Gone But Never Forgotten

      Memorial forum for our departed loved ones, post up memories, pictures, pay your respects.
      Threads:
      21
      Posts:
      794
      Latest: baja_ blazer 08/28/2016 longbedder, Dec 13, 2016

    7. The Situation Room

      Anything that you would like to keep private or that could be taken as offensive should be posted in here.
      Threads:
      –
      Posts:
      –
      (Private)

  5. Miscellaneous Discussion

    1. Other Rides

      This is the place for questions and answers regarding your Hot Rod, Street Machine, Muscle Car, or even your daily driver.
      Threads:
      1,234
      Posts:
      12,814
      Latest: Not again. This one is Eileen's. ktmoutfront, Sep 25, 2017 at 1:32 PM

    2. Tow & Trailer

      Everything from tow rigs to trailers.
      Threads:
      736
      Posts:
      7,511
      Latest: The Camper Thread 78K30, Sep 24, 2017 at 8:28 PM

    3. The Tool Shed

      Hand | Power | Pneumatic | Hydraulic | Welding
      Threads:
      1,543
      Posts:
      21,674
      Latest: looking for a new welder . . . found a BIGGER one today . KirsL, Sep 25, 2017 at 8:28 PM

    4. The Great Outdoors

      Camping | Fishing | Hunting | Hiking | Biking
      Threads:
      331
      Posts:
      3,900
      Latest: Photos of game you've harvested AKbigsub, Sep 8, 2017

  6. Trails

    1. Land Use

      (All Access) Post all land use related issues here.
      Threads:
      407
      Posts:
      1,398
      Latest: Tellico closing SEND COMMENTS TODAY 10-17 FOR MUD, Aug 3, 2017

    2. Blazin Trails

      (All Access) Have a favorite trail or camping trip to talk about, then this is the place.
      Threads:
      785
      Posts:
      7,066
      Latest: Rubicon 2019 Blazooki, Sep 25, 2017 at 1:58 AM

    3. Blazer Bash

      (All Access) Look here for info on CK5's annual trail ride.
      Threads:
      919
      Posts:
      22,854

      1. Event Photo's

      Latest: Ideas for BB18 r3dd0g, Sep 26, 2017 at 8:09 AM

  7. Aftermarket Parts

    1. OffRoad Design

      (All Access) The official question and answer forum for OffRoad Design products and services.
      Threads:
      2,720
      Posts:
      16,056
      Latest: Hydro Assist Steering Question 1-ton, Sep 24, 2017 at 8:57 AM

    2. Vendor Forum

      (All Access*) Off-Road products and fabricated parts.
      Threads:
      1,555
      Posts:
      20,092
      Latest: RockAuto.com - Rebates Expiring Soon! RockAuto, Sep 26, 2017 at 9:00 AM

  8. Classified Section

    1. Parts & Trucks Wanted

      Looking for GM parts, let others know right here.
      Threads:
      13,430
      Posts:
      62,356
      Latest: 1967-1972 C-40 /C50/C-60 Front Clip Capt Ron, Sep 25, 2017 at 7:30 PM

    2. General Parts for Sale

      This is the place to advertise those extra parts for sale or trade that don't quite fit in the other sections.
      Threads:
      9,892
      Posts:
      65,923
      Latest: Stock and winch bumper for sale nvrenuf, Sep 26, 2017 at 9:35 AM

    3. Complete Vehicles

      Threads:
      3,247
      Posts:
      24,003
      Latest: Should I buy? 1990 GMC Dually Lnsean4, Sep 26, 2017 at 9:42 AM

    4. Tires | Wheels

      Threads:
      1,688
      Posts:
      9,265
      Latest: 38.5x14.5x16.5 TSL SX on 12 bolt H1's 70jimmy, Sep 12, 2017

    5. Engine | Tranny | T-case

      Threads:
      3,140
      Posts:
      16,035
      Latest: TH400/NP208 COMBO 86454K30, Sep 22, 2017 at 5:54 PM

    6. Suspension | Axle

      Threads:
      3,445
      Posts:
      20,185
      Latest: 3/4 ton and 1 ton axles 86454K30, Sep 22, 2017 at 5:54 PM

    7. Hauling

      Help other members haul their parts around the country.
      Threads:
      119
      Posts:
      578
      Latest: DFW, TX to Detroit and return campfire, Jul 19, 2017

    8. Ebay Auctions | Craigslist Postings

      Threads:
      1,492
      Posts:
      5,992
      Latest: Craigslist truck ads - Trucks added rdn2blazer, Sep 25, 2017 at 10:47 PM

    9. Free | Trade | Misc.

      Threads:
      1,209
      Posts:
      6,171
      Latest: Project in Pieces, Free Stuff Silverado_K5, Sep 24, 2017 at 4:31 PM

    10. General Non-Automotive Classifieds

      Non-Automotive related items For Sale / Trade / Wanted.
      Threads:
      602
      Posts:
      2,699
      Latest: Cleaning Out My Shop (Las Vegas, NV) bigjimmy82, Aug 19, 2017

  9. Website Discussion

    1. Feedback | Site Announcements

      (All Access) Please post any ideas or suggestions that you may have about CK5 here.
      Threads:
      1,570
      Posts:
      9,576
      Latest: how can I change my build thread pic? Russell, Sep 15, 2017

    2. The Test Lab

      (All Access) Use this forum for testing posts, signatures, pictures, etc..
      Threads:
      1,814
      Posts:
      14,176
      Latest: test GWeakland620, Sep 14, 2017