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      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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      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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      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

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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   (219,324 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

    • Those are all "body bound bolts" They have a shank that is larger than the threads. When you install them you ream the hole to tightly fit the shank of the bolt. That way the bolt also acts like a dowl pin. They don't come out easy. You are not going to spin the bolts. You have to spin the nuts off and then drive them out. Most times they get damaged while being driven out. When you get new bolts the shank diameter and shank length are important. There are larger diameter shanks available because if you are swapping parts around you will need to ream the holes oversized and instal the larger OD bolts. Being you are using the same parts on the same frame rails, you won't have to ream the holes unless something gets damaged.  I swear I met you. Did you stop around Eugene Evans shop with Tom Zacny? Or maybe with Thackray or Joe Capecci?
    • It probably could be restored but it does have a good bit of rust on the fenders and around the nose, it’s a good parts truck, I’m going to gut the doors ( but leave them on the truck) I’m thinking of taking the air tank out of the sleeper and air starter off of it and put it on my H Model one day,, I grew up with that sound and I don’t have a truck with air start, and it’s all there,, but I’ve got more important things to worry about for a while. Gathering materials for a bridge to our shop is top priority. I just had an opportunity to get this parts truck before it got scrapped. 
    • Holy Hell...  Wish I was in the market for another cool truck..  This one is one to look into..  
    • Not wanting to bugger up the Green Hornet thread I thought I would start a fresh one with all the details   For sale. 1964 N257TL. 262 Cummins, 5 speed with Eaton 3 speed tandems. Runs and drives well. Currently registered and insured. It went to the Cortland show last year. Cool survivor truck, and is a good candidate to restore, or just get mechanically sound and leave the body as is. It has many new parts, and certainly depending on distance, you could drive this home. I intended to keep this one, but 4 trucks is more than enough for one guy and something has to go. Asking $9500.00. I will negotiate some. Any questions please ask. Located in Johnson City NY. No more info other than what you can find on Facelessbook  Sellers name is Brandon Flynn Good buying I reckon for a original looking truck Remember, it's easier to ask for forgiveness than permission  Happy shopping    Paul  
    • All wheel drive R models are designated RM600, all wheel drive DM models are designated DMM600 etc.  They're more common in Canada I believe.  Can't speak to who made the front axles.
    • Thanks for all the suggestions after looking at it closely. The paint shop installed the new latch with that plastic wedge under the hook part upside down. I flipped it over and that changed the angle so it doesn’t pop open. 
    • This is describing and solveing a problem. Truck started cutting on and off going down road after starting up and going about a 2 mile. Tried shutdown override and did not help. All gauges looked good and radiator full. Truck finally quit completely. Started testing with power probe cab relay and starter relay on firewall and would turnover. Disconnected positive battery cable and was getting 12 volts on cab relay with key off on negative side. My multimeter was shipped to fluke for repairs. I said it must be a capacitor somewhere that hasn’t completely discharged. Hooked farm service truck to truck and lowboy and ran air hose to services tanks on truck and pulled it home about 2 miles because getting dark. Next day remembered I put negative firewall relay on other truck but could not explain 12 volts. Took relay off 91 model and installed on 94 model. Went to hook up positive battery cable and found problem. Crossover positive cable   had rubbed on battery box and had gone to ground. The ground relay had done its job. That explained 12 volts on negative side of relay but probably few amps knowing all I had was power probe on battery.  Live and learn. Simple things first.
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    • tommysmb410

      Running video,prior to installing 2 batteries which helped significantly. Starter needs rebuilt but the truck runs much better now than in this video. New video coming. 
       
      https://youtu.be/We3YAILhFEw?si=Mtm9y3VdDDqWAFEH
      · 1 reply
    • tommysmb410

      Exterior photos
      · 5 replies
    • Great White  »  cruiseliner64

      Mack AC help needed: We have a chance to acquire a very well used Mack AC that served as a log truck. It is not stuck and is fairly complete save for the cab but possibly did not have one. The engine is not stuck and supposedly ran in the 1980's.  It has brass data plates on the seat riser that were not readable.  It has solid rubber tires. How can we tell what rating it is and how heavy it might be?  It looks fairly long. Any wisdom would be greatly appreciated!


      · 0 replies
    • Joey Mack

      Not sure how to post about this.....   So here go's....   If you come here for help, big help...  Please have the respect to come back and let us know how we did for you..  It helps others..  Many of us will write lengthy answers and post pictures and specs straight from a service manual...  Please show respect for the effort we put forth to help you...  Come back and re-cap the progress of your repair, and give proper thanks to those that helped you..  Jojo
      · 1 reply
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