mattb73lt

Big Dog
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    156
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mattb73lt last won the day on August 1

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About mattb73lt

  • Rank
    BMT Veteran VIP

Profile Information

  • Gender
    Male
  • Location
    berlin, ct

Previous Fields

  • Make
    Mack
  • Model
    B-73LT
  • Year
    1960
  • Other Trucks
    1963 Mack B-42P (END-673&Tri-Plex)

Recent Profile Visitors

1,033 profile views
  1. All primered up. 3/4 of a gallon to cover it. Just closed up the shop and time for bed.
  2. I made some careful measurements yesterday and I'm going to forego the shims I was going to make. This is also a Ford donor and a very close slip fit, like about 1/16" difference.
  3. Well, my text disappeared when I posted those pics. But, it's been two months since I touched this, didn't think I would be that busy. Finally got on it this weekend, finished all the welding and primed the frame. Got the donor frame to the sandblaster and into the shop for primer. The big score was finding a "Back-Drop" exhaust for the Cummins. It's super nice and once its painted and installed I'll post some pictures.
  4. It's the original floor with 3/4" plywood layed over it as a work surface. I put it down when I did the other B. I'll probably replace it at some point.
  5. Stripped the new rear axle housing completely. I had robbed the gear set out of it for the original axle, after a friend gave it to me years ago. I was going to scrap it until I found some cracks welded up on the axle under the frame now. Lucked out there. It all came apart with some effort, but nothing broke. Some corrosion found on some of the aluminum castings. If they're too far gone, I can rob the other axle.
  6. Nothing super exciting to report. Donor frame is all stripped down, just need two cross members removed and then off to the sandblaster. But, the right frame member is done and primed. Tried to do both but there's only so much time, and I figured I concentrate on one and not rush. These posts help to give me something report to keep the momentum going. This is really hump work, but it's getting done.
  7. That is really nice, very well done.
  8. I've got a 4.62 rear and a double overdrive Triplex going in this one. Nearly the same as I set up in my other B, but with 24.5" rubber going on this one. Cruises nice at 65, with more top end. The Triplex gives good flexibility around town and highway.
  9. It was a Ford L series with a Cat in it that was dead.
  10. A couple of years ago I posted a question of the frame stretch, I think Freightrain responded with some pics of his stretch. That and a few other responses confirmed that it was pretty sound to go forward that way. Most of my measurements are close and just need to be tightened up a little. Right now I'm thinking that there's 1/4" difference from inner to outer spacing, that could be made up with two 1/8" shims down the overlap. I still need to finish cleaning both sets of rails and then finalize everything. My plan is to use the two Mack cross members where the original axle is, then staggered bolts in between. There'll be two more cross members where the donor axle is. The Mack axle will fit the springs that are in the donor frame. It has a Eaton twospeed under it now that'll be removed. The plus is the body is already mounted and will just need to be remounted. Looks like there'll be about 7' added to the wheelbase.
  11. My original plan was to fabricate everything and then mount the body. As I looked at the donor frame, I found that it would slide over the original making the stretch and mounting much easier and quicker.
  12. After positioning the donor frame in front of the barn, spent today assessing and stripping the frame back to where the overlap ends. I'll have just short of 8' of overlap on the frame. Found some scale and rot that'll have to be addressed. Good progress this weekend, next several weeks I'll have limited time so it'll be slow
  13. WOW, that's a barn!! Really nice and good for you!!!