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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

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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   (233,097 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.

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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

    • Geoff Weeks
      Best of Trump

      By Geoff Weeks · Posted

      Simply the census is NOT a count of citizens, it is a count of people, Citizens, and those that are not citizens, regardless of if they have a green card or not. That is what is spelled out in the constitution, a count of the number of people. If you want a count  of only citizens then the constitution authorizing the count has to be changed, or make another law for a separate count. 
    • GA_Dave
      Best of Trump

      By GA_Dave · Posted

      President Trump tried to get that done for the 2020 census.  He was unable to overcome the democrat resistance.  I hope it happens this time.  Not only should illegals be stopped from voting, they should not be counted for representation.  They DO NOT belong here!
    • GA_Dave
      Trucks in Our Neighborhood 1967

      By GA_Dave · Posted

      The Mack L Model pumper was nice and that Crown Firecoach in action was awesome!
    • kscarbel2
      Best of Trump

      By kscarbel2 · Posted

      The Republicans have had to file a lawsuit to prohibit the U.S. Census Bureau from counting people who are in the U.S. illegally during the 2030 census. Why should they even have to do that? Doesn't it go without saying? Immigrant rights groups say “That unlawful request would distort representation for millions of Americans and shake the foundations of our representative democracy. What? The Republicans are only talking about illegal immigrants (not Americans) who shouldn't be on U.S. soil to begin with. The census would apply to legal immigrants.
    • kscarbel2
      My presidential nominee - John Kennedy

      By kscarbel2 · Posted

    • 70mackMB
      Trucks in Our Neighborhood 1967

      By 70mackMB · Posted

    • Vladislav
      Fancy compressor

      By Vladislav · Posted

      I have a couple of questions about these compressors though since my one is in fact not completely assembled at the moment. 1st - what is the torque for the conn rod bolts? I measured it when loosened the rods in the new compressor but the bolts had something looking as a thread lock on the threads so unscrew could be harder than the specs. And should I use any Locktight or other thread lock compound there? I know that wouldn't hurt the deal but better to learn what is prescribed by the manufacturer. And the 2nd. I probably have count the matter but still have a little bit of doubts. I tied to figure out the way the connecting rods oriented. Sure marked all the parts and the old compressor had the rods with the markings (part#) to the drive end (up front). But that NOS one had one rod to the front and another to the rear. And I'm sure nobody opened it before me and the parts were std which meant factory assembly. Also pistons had no arrows pointing any direction for the fittment. So overall it looked like Bendix saw no matter on which way to install pistons and rods. I put them as they were in my original compressor - same way up front. But if anybody may confirm or argue my guess I would like to hear the suggestions. 
    • Vladislav
      Fancy compressor

      By Vladislav · Posted

      It turned out a bit more attractive about its look when it had before the rebuild. The mechanical part was not perfect too. Cylinders had rusty caves but what seemed more troubleful was one of the connecting rods having cap bolt holes modyfied (drilled through for a bolt with nut). I could live with a repaired rod but it also had a small crack near the repair. What I definitely didn't want was a broken rod in a compressor somewhere in a middle of a highway. Tried to locate an alu conn rod for Tu-Flo 700 but had almost no luck. Checked out other possibilities and found a NOS compressor locally. Actually that was 700 km from my place but at least in the same country. The compressor had different fittment being a Cummins or Detroit version so I couldn't use it complete nor all of its parts. Good thing the block was found the same so I took it together with pistons and rods avoiding the need of boring the cylinders. Crankshaft was shorter than needed at the drive end so I had to use the original one. Micro caliper shoved minimal to zero wear and that was good. But the size was the 1st repair already so I bought new bearing shells for it. That NOS one was std, of no use there. I also bought a PAI repair set but mostly for gaskets.

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    • TJ Lincoln

      TJ Lincoln  »  A Hobgood

      This is the current condition of my 47 EE project. The rebuilt EN271 is out and we are in the process of checking the fit of a big block Ford. It is the same truck that’s in my thumbnail photo taken a few years ago. I have managed to acquire all the new rubber cab seals and many are installed. I have a painless harness as well. 

      That engine and trans are on a pallet and probably weigh around 900. I believe the clutch is new and the trans was gone through. 
      Louisiana is a fair distance from the middle of Washington!
      That said, all the cab rubber body parts had to come from Massachusetts and it took over 3 grand for all the window, door, cowel, fender and more pieces to get everything. I found some parts back east but they are not cheap.  
       



      · 0 replies
    • mowerman

      mowerman  »  1Macktrk

      Hey, welcome my board and have a swinging time… bob
      · 0 replies
    • Lmackattack

      Lmackattack

      HO HO HO

      · 0 replies
    • the_IRFmack

      the_IRFmack

      - I double sticked and old Mack to feed a stone crusher in 12 and 14 hour shifts six days a week all summer to pay for my chemistry degree.
      - Because I wanted to sleep for 1 min and 26 seconds each trip out of the quarry at the crusher's vibratory dump box at the top the quarry during those 12 hour shifts, I bulled the old MACK up long 20 degree and sometimes steeper grades.
      - THAT meant that I split each gear 1, 2, 3 after coming out of boggy low.
      - All I did was rev to the right engine note, reach my left arm down through the steering wheel to hold the curve I was on or hold the truck's path steady; slip out of 1st, throw the 2nd stick high into low and slip into 2nd gear... rev to the right engine pitch, slip to high.
      - Then when it was time, reach through the wheel again, slip high to low and 2nd to 3rd {if I correctly remember 60 years ago}.
      - The Igneous rocks were too heavy and the grade too steep for me to ever get into 3rd high.
      - The crusher team were the mechanics for everything and had replaced the old Mack's tranny gears because they had been ground too much. - - They later told me they didn't believe me when I told them I slipped all my shifts because the gears showed no wear.
      - Except for start and stop; Not once did I use the clutch because that made my leg ache too much after an hour or so.
      - I slipped all my standard 4 speed shift vehicles all my life...just to be with the music of the engine and car or truck.
      · 0 replies
    • the_IRFmack

      the_IRFmack

      - I hardly ever change disc pads or brake shoes because I always slipped my gears downshifting...
      _ I learned that because the synchro rings got shot on my 1968 Volvo 122S 2-Door 4-Speed with an electric overdrive because I stupidly speed shifted and ruined them. https://bringatrailer.com/listing/1968-volvo-122s-17/
      - [Note: That Volvo's original owner was a Canadian Submarine Captain who rallied it and that is why it had Volvo's unique electric overdrive.]
       
      - {I clear coated over the bone white with Cadillac Firemist Green and painted the grills Black because they were dented...gosh it was stunning.}

      · 0 replies

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