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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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      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

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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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    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   (162,135 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

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  • Latest Posts

    • mechohaulic
      You Might Be...

      By mechohaulic · Posted

      memories of the fun days. we didn't pay to go to a gym. it was summer time in the hay fields.  this must be the younger generation picture== only one bale at a time AND wearing gloves. for us it was two bales ; one in each hand (100lb each bale ) NO gloves and race across the field to beat the others to the stack. LOL
    • doubleclutchinweasel
      Any intrest in Mack B61 Model Kits in 1/25 scale?

      By doubleclutchinweasel · Posted

      Got one too. Still some of those around. 
    • mechohaulic
      Any intrest in Mack B61 Model Kits in 1/25 scale?

      By mechohaulic · Posted

      with todays kit building , it's easier to buy a number of kits for parts needed for special builds. I still have the book from A I M (Jim Etter) of yrs back which allowed the builder to basically buy every part needed for special builds. cabs, rails, engines, trans ,wheels etc. all parts were either resin or pewter. todays kits aren't 10.00- $12.00 anymore . have bought a whole kit just for the fuel tanks or frames. I CAN - retired. I don't spend it the kids think it's theirs LOL.
    • PMC
      B20 Hydraulic Brake Parts

      By PMC · Posted

      I have been pecking away at getting a B20 stopping again. After going back and forth I have been able to source new hydraulic cylinders and thought it may save someone the effort.   I think that a B30 with hydraulic brakes are the same but not 100%   Front Wheel cylinders- Napa 8806 and 8807. Sorry can’t remember which is L vs R Rear wheel cylinders.  Napa 15308.  Master Cylinder -Napa M661 RH rear adjuster kit - Euclid E-4148-Tu.  Not sure on the LH side but the thread is backwards.   Not exact but very close.  The adjustment springs are different but I was able to fab up what I needed from some old anti rattle clips    i have shipped the Bendix hydro vac booster to Apple Hydraulics in NY and am waiting for its return.  I have used them in the past with good luck.     Front wheel seals - Napa 27269 Rear wheel seals - 34994 I am still trying to source new brake hoses.  It appears that all 3 are the same.   If anybody has a lead I would appreciate it.  I do have a parts book but the numbers go nowhere. 
    • mechohaulic
      Any intrest in Mack B61 Model Kits in 1/25 scale?

      By mechohaulic · Posted

      first gear did make a number of 1/25th scale trucks= Mack and others.  the Red mack tractor 1/25 scale is detailed . mine  had a couple of unfortunate "accidents" while being boxed  during trip to TN and back to over tax CT. it's in need of shop repair and new parts ( front wheel etc). 
    • mowerman
      Any intrest in Mack B61 Model Kits in 1/25 scale?

      By mowerman · Posted

      This is what I had.. bob
    • mowerman
      Terry T' s Birthday 🎂

      By mowerman · Posted

      I started a job on my birthday back in 95. Moved on to two other jobs, since this is my last one.11 more months before I wave a big goodbye to roadwork yaaaaaaaaaaaaa hooooooooo!!!!… bob
    • mowerman
      Terry T' s Birthday 🎂

      By mowerman · Posted

      Dentist and work ain’t that the way it usually happens???????? Bob

  • Latest Topics

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    • Dreamer

      Dreamer

      Well  the time has come , the pickup bed is being built as I write .  It will look similar to the ad in the Saturday Evening Post  March  6 / 1943 that  MACK  had . I  am using Wilson trailer deck planks for the floor , because in the ad the slogan was " my middle name is Work " . If all goes well it should be  PETTY  SPECIAL .  I  guess for now it is one step at a time .
      · 0 replies
    • Bs diesel

      Bs diesel

      E7 454 Random/ intermediate shutdown
      hey guys ive got a 1998 CHR Vmac 2 with a E7 454 engine, truck is a salt field truck that has come into the workshop for a suspected electrical fault, engine will start to stall and then grab revs last minute before shutting off, then idle fine with no faults, or will stall all together and then when u try to start it again it will crank with no start. when it first came in  battery's where dead, alternator belts where extremely loose and main battery earth cable was split. replaced battery's fixed earth cable, tightened up belt then checked DTC's only found three fault in system, ( fuel rack position sensor/ current below normal or open circuit, Fuel actuator/ current below normal or open circuit and Timing sensor/ data erratic, intermittent or incorrect). 
      with these faults i checked over the wiring to the inline pump and found the connector had bear wires showing, replaced and re-pined a new plug, and repaired a few other rubbed wire's in the engine harness by the alternator. once done cleared codes in the truck, truck started up fine and would run fine for a while drove around yard no problem for two days but then when i went to park up on the fence for customer truck faulted again tried checking for any DTC's nothing was logged both active or inactive. if anyone's come across a fault that sounds the same and has a idea what to check out that would be great as this is the first time in dealing with this old of a truck.  
      UPDATE...
      found out what was wrong. the customer has had this truck at another shop for the same faults and didnt say anything about it, but what they did was cut all the wires at the ECU and ran 7 core trailer wiring out the LHS of the Cab firewall all the way to the pump, Bypassing the cab loom and engine harness, but what they did was they wired it up wrong at the pump side and ECU plug, finally found a wiring diagram and yeah found what they had done, so re-wired it all and put a new RPM/TDC sensor on and now she runs like a dream. 
      · 3 replies
    • chillywilly

      chillywilly  »  B MACK

      Do you have a B-71?
      · 4 replies
    • Licensed to kill

      Licensed to kill  »  smithmotorsports

      You say you have some parts, I also have many (not the window felts you seek tough) am looking for the plastic tube that goes to the air cleaner, the one that come straight off the cleaner, not the one that come off at an angle if you have??. Also looking for a cap for the air cleaner, to match the one I have, if you have any extras to sell a pic would be awesome.  
      · 0 replies
    • RUSSELL STANLEY

      RUSSELL STANLEY  »  05 CV713

      I have a '59 B61 with quadruplex transmission.  There is WAY too much free travel in the clutch pedal, but, if you start it in gear, it creeps ahead.  I need to adjust the clutch and take some of the free travel out, which should also solve the creep problem.  I cannot find an adjuster bolt on the clutch.  Can this clutch be adjusted on the clutch itself or does it have to be done via the linkage?  The only thing that I can see through the inspection hole on the clutch face is a big hex head bolt that looks like it takes an inch and an eighth wrench.  This doesn't look like an adjuster.
      · 1 reply

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