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Everything posted by mattb73lt
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B-73 Restoration
mattb73lt replied to mattb73lt's topic in Antique and Classic Mack Trucks General Discussion
Not really. I’m thinking late summer for having it drivable and into the fall to set the body in it and get that working and a new wood deck on it. -
B-73 Restoration
mattb73lt replied to mattb73lt's topic in Antique and Classic Mack Trucks General Discussion
It runs good, very clean idle, even when cold. I’ll see how it is once I get it on the road. -
B-73 Restoration
mattb73lt replied to mattb73lt's topic in Antique and Classic Mack Trucks General Discussion
OH, YEAH!!! another step closer to the road!!! IMG_3769.m4v -
B-73 Restoration
mattb73lt replied to mattb73lt's topic in Antique and Classic Mack Trucks General Discussion
Thanks. I wanted to isolate the stack to prevent any resonance to the cab. I’ve seen some attempts to do the same, but didn’t like how they came out. I think this came out pretty good. The stack has an insert muffler in it, so it should quiet things a little more, but should still have that great Cummins sound. -
B-73 Restoration
mattb73lt replied to mattb73lt's topic in Antique and Classic Mack Trucks General Discussion
I put the exhaust in the completed column today. It's finished from manifold to the top of the stack. Lots of little sub projects to get it finished and back ordered parts. Modified the stack support to how I wanted it and machined up some brackets to accept the stack clamps, then painted all of it. Removed and reinstalled the battery boxes after adding the hooks that dog the deck down when it's up. The whole area behind the cab is now complete, so steady progress in-between work days. -
Coca Cola LJ Mack colors
mattb73lt replied to 1961H67's topic in Antique and Classic Mack Trucks General Discussion
WOW, looks absolutely fantastic!! Great job. Gotta be a lot of smiles in that shop today! -
Coca Cola LJ Mack colors
mattb73lt replied to 1961H67's topic in Antique and Classic Mack Trucks General Discussion
An extra set of hands is always helpful. I have the same issues trying to find stuff that I took off and stored 25 years ago or that was missing when I bought it. -
237 in b model
mattb73lt replied to 1988 R model's topic in Antique and Classic Mack Trucks General Discussion
It's been done many times. Search this site and I'm sure you'll find someone who's documented it. I have a 237 in front of a Triplex in a '63 B42 converted from a EN402. Original swap was a END-673. If it's a B61, it's pretty straight forward. If not, like a gas powered one, it still isn't too hard. You just need more parts, like the front cross member, transmission mounts and a bunch of small parts gassers don't come with. The frames are drilled for both gas and diesel mounts. Waterpumps, flywheels/bellhousings may need to be swapped. Depends on your skill set and shop equipment, too. The stock radiator will handle the 237. -
B-73 Restoration
mattb73lt replied to mattb73lt's topic in Antique and Classic Mack Trucks General Discussion
No, it was dry externally and at all the ports. Just pitted on the top and face. Solid otherwise. -
B-73 Restoration
mattb73lt replied to mattb73lt's topic in Antique and Classic Mack Trucks General Discussion
Just in case anyone thought I quit or hauled the truck off to the scrap yard, I didn’t. Work really picked up this month and slowed my progress. But, still plugged away on what I think is the second to last batch of paint. Really just the hood is left. This is small brackets, the stack support and the hydraulic tank, that I decided to re-use. It was pitted, but a few quick coats of high build primer fixed it. I still have the driveshaft and brakes to finish, but I want to get the hood done next. -
Coca Cola LJ Mack colors
mattb73lt replied to 1961H67's topic in Antique and Classic Mack Trucks General Discussion
One of my favorite things about these trucks. They look great!! -
Coca Cola LJ Mack colors
mattb73lt replied to 1961H67's topic in Antique and Classic Mack Trucks General Discussion
A buffing wheel and jeweler’s rouge can usually bring it back. There’s a whole series of wheels and compounds that work with stainless. Look at the Eastwood site and you’ll find what you need. Stainless is a tough and forgiving metal. I’ve blended out some pretty deep scratches on some pieces I’ve fixed. On my exposed hardware I replace a lot with bolts from Totally Stainless. I’ll file off the head markings then buff them out on a wheel. They’ll look like chrome and never tarnish. -
Coca Cola LJ Mack colors
mattb73lt replied to 1961H67's topic in Antique and Classic Mack Trucks General Discussion
Nice touch with the strip. Mine was aluminum, but heavily corroded. Replaced it with a steel one I got off the roof donor. -
Coca Cola LJ Mack colors
mattb73lt replied to 1961H67's topic in Antique and Classic Mack Trucks General Discussion
Well, sorry about the Superliner. But, WOW!!! Really looking nice in those colors. Great job!! -
Coca Cola LJ Mack colors
mattb73lt replied to 1961H67's topic in Antique and Classic Mack Trucks General Discussion
That looks great!!! It’s going to be very cool in it’s original colors. Really nice work!! -
B-42
mattb73lt replied to james j neiweem's topic in Antique and Classic Mack Trucks General Discussion
I'm probably off. From what I saw in a quick search I did, the 421 was a "cheap" version of the 42. No oil cooler and several other things deleted. I think I was mixing it up with the 422, which did have an overhead valve engine. There was a site from where the B model registry came from that had a lot of engine and transmission reference material from Mack posted on it. I can't seem to find it, so it may be gone. -
B-42
mattb73lt replied to james j neiweem's topic in Antique and Classic Mack Trucks General Discussion
Also, Magnadyne was the flathead and the Thermodyne was the overhead valve. Run some google searches, tons come up from this site, ATHS and others. There's an answer in there somewhere, I just haven't looked at that stuff in years since switching to diesels. -
B-42
mattb73lt replied to james j neiweem's topic in Antique and Classic Mack Trucks General Discussion
B42 had a EN 401/402 @ 150 HP. Minor differences and I believe an extra head stud. The B421 I thought was an overhead valve EN438. There’s also the B422. There’s a factory chart around the lines up the difference models and engines, just can’t put my hands on it. -
Coca Cola LJ Mack colors
mattb73lt replied to 1961H67's topic in Antique and Classic Mack Trucks General Discussion
Great pics!! You’re getting it done now, though!!! -
Another "new" truck
mattb73lt replied to mackaholic's topic in Antique and Classic Mack Trucks General Discussion
Really cool early find!! Are you doing a full restoration or just a preservation? -
Coca Cola LJ Mack colors
mattb73lt replied to 1961H67's topic in Antique and Classic Mack Trucks General Discussion
Excellent!! Glad your helper is available full time. Should be a great learning experience for him. -
Very sad news. My condolences to his family. Bought some stuff from him a while back and always appreciated his comments on my progress on my truck. He will be missed.
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B-73 Restoration
mattb73lt replied to mattb73lt's topic in Antique and Classic Mack Trucks General Discussion
I'm trying, so much to do!! Huge progress from this time last year, but it'll get done when it does. As much as I'm dying to drive it, you can't rush a good thing. So hard to not just start slapping things together, though!! -
B-73 Restoration
mattb73lt replied to mattb73lt's topic in Antique and Classic Mack Trucks General Discussion
It is ALIVE!!! Started it up on diesel today, after fabricating the fuel lines between the pump and tank. Blew a little smoke, then cleaned right up and had a nice clean idle. Revved it up a few times and sounded really good with just a straight pipe. Another milestone in the books. I had a nice one minute video, but it was too large to post. IMG_3691.m4v IMG_3693.m4v
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