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mattb73lt
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Posts posted by mattb73lt
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I would believe it. I’ve seen quite a few shade variations on original trucks over the years. I think the bottom line is if it’s what you like and is within your budget, then go for it. It’s your truck and efforts, make it how you want it and enjoy it.
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WOW, looks absolutely fantastic!! Great job. Gotta be a lot of smiles in that shop today!
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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.
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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.
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1 hour ago, mrsmackpaul said:
Did you coat the inside of the tank to stop any oil seeping thru, I find these tanks are always wet and dusty unless this done
I have never done it myself, tanks I have that are coated are always nice and clean and those that arent are always dirty
Paul
No, it was dry externally and at all the ports. Just pitted on the top and face. Solid otherwise.
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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.
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One of my favorite things about these trucks. They look great!!
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10 minutes ago, mowerman said:
Well if any of you fellas have a fancy idea to clean up stainless steel let me know I bought some nice straight grille moldings a few years back for my DM and one of them is tarnished and I really don’t know what to do with it bob
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.
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Nice touch with the strip. Mine was aluminum, but heavily corroded. Replaced it with a steel one I got off the roof donor.
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Well, sorry about the Superliner. But, WOW!!! Really looking nice in those colors. Great job!!
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That looks great!!! It’s going to be very cool in it’s original colors. Really nice work!!
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1 minute ago, terry said:
I had paper work on that B421 from new and it had the flathead. terry
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.
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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.
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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.
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Great pics!! You’re getting it done now, though!!!
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Really cool early find!! Are you doing a full restoration or just a preservation?
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Excellent!! Glad your helper is available full time. Should be a great learning experience for him.
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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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10 hours ago, yarnall said:It’s about time. Only two weeks till Macungie. It looks like you will have it done. See you there. Mike
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!!
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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.
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Looks great!! Minor concession and I agree with the others that it looks better.
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Nothing beats laying down color to finish off your work! Looks great!
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The digital format is amazing. Yeah, you can post it immediately, which in itself over the top. But being able to manipulate it, zoom in, adjust and the photos are so clear. It's just so easy document your work and disassembly sequences. When I bought this, I was still using a 35MM instamatic camera, which sucked. Not good resolution and a lot of detail was lost. Then all the developing and enlarging, if needed, only to find out it was blurry or a useless shot. I probably a have few thousand pictures I've taken that are digital. I had a 35MM small album of pictures I literally wore out referencing it for my work. Now, I have albums broken down by work area on all my devices, kind of my digital note book I use while I'm working, which is invaluable.
Yesterday's and today's efforts, getting the right fender extension on so I can assemble the air filter and induction system. It's slow going getting all the hardware ready and trying not to scratch the paint.
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It is about 4”s it seems. I never really thought there was such a difference between the two models.
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BMT Forum Logo
B-73 Restoration
in Antique and Classic Mack Trucks General Discussion
Posted
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.