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    1. Introduction Forum

      Welcome to the New BigMackTrucks.com Forums! Take a minute to create a new post here and introduce yourself. Tell us a little about yourself and your passion for old iron!

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    2. Truck Stories

      This is a forum for you to tell us about your truck's history! Every old truck has some type of story behind it and we would love to hear about it! Be sure to include photos if possible...

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  2. General Discussions

    1. Antique and Classic Mack Trucks General Discussion

      This is where you can talk about anything related to antique or classic trucks! If your topic is something specific, try to use the correct forum below.

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    2. Modern Mack Truck General Discussion

      This forum is for general discussions about modern Mack Trucks! Granite, Vision, Rawhide, Pinnacle...etc. Specific topics can be posted in the forums below.

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    3. Mack Dealer & Corporate Forum

      This forum is for Mack Dealers and Mack Corporate personnel only. If you are a Mack Dealer, or Mack Employee, PM the forum moderator below with your name and dealer code and you will be moved to the Dealer Group and be able to participate in this forum.

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    4. Mack Truck Q & A

      This forum is for pressing questions concerning Mack Trucks...emergency maintenance questions, pre-purchase questions, etc...answers can be rated by users and the higest rated answers will show first!

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    5. Mack on the Silver Screen

      This forum is for discussing various TV shows, commercials, music videos, songs and movies that had Mack Trucks in them!

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    6. Mack Scale Model and Diecast Corner

      All discussions about Mack scale model building and diecast models go here!

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  3. Specific Topic Forums for Antique & Modern Trucks

    1. Engine and Transmission

      This forum is for engine and transmission related topics

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    2. Driveline and Suspension

      This forum is for driveline, carrier, front and rear axle, steering and suspension topics

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    3. Air Systems and Brakes

      This forum is for Air System and Brake related topics

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    4. Electrical, Electronics and Lighting

      This forum is for electrical, lighting and mobile electronics topics

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    5. Exterior, Cab, Accessories and Detailing

      This forum is for topics about exterior, cab, paint, trim, bumpers, emblems, visors and also topics about keeping that truck looking its best!

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    6. Fire Apparatus

      Forum for discussions about Fire trucks and specialized fire fighting equipment.

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  4. Odds and Ends

    1. Odds and Ends

      This forum is for non-truck related topics. Talk about interesting web sites, current events, tell jokes, post funny photos...etc.

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    2. Trucking News

      News and information from the entire trucking industry

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    3. Other Truck Makes

      This is the place to show off all your other trucks that are not Macks. They can be antique or modern trucks.

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    4. Tractors and Equipment

      This forum is for you to talk about Farm Tractors and other misc. equipment such as trailers, dozers etc.

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  5. Market Place

    1. For Sale

      For Sale Classifieds

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    3. Feedback Forum

      Please leave feedback for other members you have done business with here. This will help members trust (or not trust) other members. Please be professional with your remarks...good or bad.

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    4. Transportation Board

      This forum is for posting and finding transportation opportunities for your antique hobby trucks and parts around the country. Please keep rates reasonable when posting a route...

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    5. Watt's Truck Center   (223,445 visits to this link)

      Click here to visit the Watt's Truck Center Home Page featuring The B-Model Store and tons of other parts for Antique and Classic Mack Trucks including R-Models, Super-Liners, DM's and all current models!

    6. Product Announcements & Group Buys

      This is the forum where we will post new product announcements and Group Buy Information from the B-Model Store! You can discuss them and/or ask any questions you may have here.

      692
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  6. Shows and Events

    1. Truck Shows and Events

      This forum is for topics about truck shows and other events of interest.

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  7. Site Related

    1. Site Related Topics

      This forum is for BMT related comments, suggestions or problems.

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    2. BMT Wiki Support Topics

      This forum will hold the support topics created from the Wiki System.

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    3. Test Forum

      This is the place to practice posting photos or testing code. Topics may be removed at any time...

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  8. Club Forums

    1. Mack Trucks Memorabilia Collectors Club Topics

      This club page is for all Mack Memorabilia discussions

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  • Latest Posts

    • kt_Engineer
      Mack 80,000 Pound Rears

      By kt_Engineer · Posted

      It is proprietary Mack axle based on CRD95/96 carrier series. It is identical to S652 axle but with upgraded GAWR capacity to 85,000 lbs (tandem; 42,500 lbs/axle). The new Link/Raydan 85,000 lbs suspension is matched with this axle.
    • Geoff Weeks
      New Mack Anthem

      By Geoff Weeks · Posted

      What hasn't changed a bit from the early days, is the number of axles to haul the weight and therefore the number of brakes to slow the load. 140K, 170K at 70MPH with the same brakes that were used when the speed was 1/2 that is not an improvement.  More power will help get the load up the grade, but takes a good hand to get it back down the other side. I once pulled Butte, MT westbound and was one gear up from bottom, I could have used more power! only had a 315 HP at 1800 RPM gov limit, if that.  Now we have big power, but still the same 7-8 axles and brakes under the same load.  More power and the temptation to grab more gears and speed when pulling a grade instead of selecting a gear and riding it to the top, Much easier to do damage shifting under that kind of load on a grade, then taking more time and pulling to the top a bit slower.
    • Bullheaded
      New Mack Anthem

      By Bullheaded · Posted

      Thanks for the info. I just don't like the new "shared with Volvo stuff" As you say, a lot of it has to do with fuel mileage and emissions regulations, but they just don't even look nice. No shape or styling, all flat body panels. And they don't look or feel like trucks any more. Too automotive, way too much electronics and gadgets. But I guess that's what the new generation wants. Just glad I don't have to buy or drive them any more for a living. And they talk about distracted driving, yet all these new auto's and trucks have to have 12 inch tv screens in the middle of the dash that you can scroll through pages of info.....instead of nice simple gauges. The Rawhide was the last nice Mack cab and interior for me.
    • Bullheaded
      New Mack Anthem

      By Bullheaded · Posted

      Yep, I pulled 140,000 pounds daily with this old 88 R Model, 350 four valve, 15 speed. But I was down to 3rd gear on all our 7, 10 to 12% hills in the winter pushing wind and slush. Nowadays everyone has to go 70 MPH, which I believe is part of the problem with all the accidents now. Put a seat cover in a rig with 500 plus h.p. pulling a freight van, with an automatic and a super strong engine brake and they really don't have to know how to drive. And now we see the results.
    • mattb73lt
      B-73 Restoration

      By mattb73lt · Posted

      I remember those conversations and thinking I really had no idea when or if I'd ever make it. Honestly, it was an epic trip for me and the truck. At times I never thought it would be there or I'd have something that would make it that far and be worthy of being seen there. Pulling into the park felt like I was high fiving myself. Pulling back into my driveway at the end of the trip was the validation of having completed a thorough restoration of a junkyard find, dead truck. Sharing the restoration here on this blog was so beneficial and to keeping everything on track. Having progress to report was really motivating, even though at times there were breaks and gaps due to other things going on. A cool side benefit was meeting and conversing with people like yourself and everyone else who added comments or pictures. It's been almost ten years since my first post and it has been one remarkable journey, all just to restore an old truck, and the journey continues on with new adventures. I can't thank everyone enough for their contributions and help along the way!!
    • 67RModel
      Macungie 2025

      By 67RModel · Posted

      I couldn't swing it this year. Not to mention the poor weather forecast didn't make me feel real bad about not going.
    • mattb73lt
      B-73 Restoration

      By mattb73lt · Posted

      I believe it was. It was the choice of the two I was traveling with, so I was just following along. No trucks were allowed, we parked along the street. There was another truck stop we went to just up the street where they fueled up before we continued. They made this run many times and knew where to stop.
    • 70mackMB
      B-73 Restoration

      By 70mackMB · Posted

      Matt, Where was this picture taken? At the Clinton Station diner on NJ 78, home to the worlds largest hamburger?   https://www.jerseysbest.com/just-in-jersey/wheres-the-beef-we-found-it-at-clinton-station-diner-in-a-monstrous-15-pound-burger/             .....Hippy

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    • Joey Mack

      Joey Mack

      https://www.ebay.com/itm/335977440629?_skw=mack+e-tech+engine+book&itmmeta=01JWA20VWGWWKW84MXA7SPSVRS&hash=item4e39d0e575:g:fUEAAOSw~n9ncrwC&itmprp=enc%3AAQAKAAAA8FkggFvd1GGDu0w3yXCmi1dw4WewTekYgqfyNRuEV27xatvWtbt3pHWRVGQe1%2FuiJa1RXu7clyGRSUOQsiJw2vkNZsCj2oCM0P%2FFfzicknbJ1jIfvRTaeEwAuEcAvnENHMOemQfy4z6CxAOg99H0CnBQ9VW5EziMtlSRPRkvE81SM8Z%2FUbIxgXyjlUqWNlPuqLRMliIAbmsBP3PTti0ZA8IFxHf9n2peaIf5BC4NH3pXsXiboMiV%2FMHZZWAulEsSdv3ivPWd6jwPksv6HdtaD5SBBgzXSe4hxqy9vF2g39rCKjthzr7%2FBmBw7UN0Qu2Jbw%3D%3D|tkp%3ABk9SR7C-g8LiZQ
      Stoneandsteel... You need this book!
      · 0 replies
    • down4glamis

      down4glamis  »  Mike6024

      Hey Mike! Sorry to bug ya on here, I just bought a pallet of wine in Napa and think you may have done the same. I bought the blue label and it said you won the yellow label. I was wondering if you would be up for trading a few cases so we arent stuck with so many of just 1 type of wine?
      · 0 replies
    • StoneandSteel

      StoneandSteel  »  Joey Mack

      Quick question on the advice you gave me about my ai400 cam/lifter replacement kit. 
      would you have a rough estimate on the time it would take to do the actual replacement with kit? I have everything removed I’m just ready to open up the front of the engine and get to the cam. Thanks 
      · 15 replies
    • TurdFerguson

      TurdFerguson

      Looking for jake adjustment screws for E6 300 2 valve Jacobs number is 2034 Mack number is 4559-2034. I would really like 12 but would take six.
      · 0 replies
    • jefferydixonsr

      jefferydixonsr  »  h67st

      Hi I have a 1969 685t r model mack  I'm looking for the front axle spin on hub oil caps if someone has some that they want to sale or know where I can get some I know the old b model had the same thing that thread overfront hub or spock if you can help me out thanks 
      · 2 replies

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