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Congratulations on finishing it up.  When can I drop mine off?

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Looks Fabulous!!!

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Great work. A job well done.

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Hey Matt, and on a very good note you WILL make the next Brooklyn show😄 

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On 4/29/2020 at 7:57 AM, h67st said:

I agree on the progress...sometimes I'll spend hours on something and when you sit back and look at it, it doesn't look as hard as it actually was!

There’s days I just sit back and look at it and don’t do anything too.  

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Posted (edited)

Lol excellent. Again send me some of that ambition I think I will finally be starting on mine in a couple of months let’s see what happens lots of work ahead ha ha great progress you got there bud keep it up good inspiration for the rest of us......bob

Edited by mowerman

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I’d love to have this done. But, I’ll keep picking away at it until it is.

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Yes sir I see that ....... bob

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                         Just do a little something each day, and before you know it you will be looking for another one to go to town on.

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Hi Matt

Great job, a bit of red adds to the complete package, but please make sure that you have squeezed the LS into all the nooks and crannies, especially all weld joins, anywhere the nasty rust loves to hibernate, once the LS dries it will seal the metal completely.

And you probably saw how easy to apply LS, it flows when you apply it, then a quick wash up with warm or cold water, no toxins and no harm to your skin or lungs.

I may be repeating my previous posts, remember if you plan to apply to the engine bay side of the fire wall and then apply finished red paint over the LS, you have to apply a mixture of hyfill and about 35% flex additive first over the LS, let dry and then rub back and most likely you will have to apply a 2nd coat of the hyfill and flex additive to get a smooth finish, so then you have a smooth finish to undercoat and thereafter the top coats. It will come up like the external panel finish, you will get the LS benefits and the fire wall behind the engine looking great.

I look forward to soon see your completed cabin painted - our departed and missed dear friend Mack devotee "Ian Lee" always said - " trucks are red and tractors are yellow, if it's not red leave it in the shed"!!! Here is Ian during the build of his custom Diamond T - Princess Diana and his Pal, his Pal got a complete application of LS and Ian's favourite and only colour.

 

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Posted (edited)

harrybarbon,

Yes, I spent a lot of time getting into all the nooks and crannies, making sure everything was well coated. I got a little overzealous in one area and started a sag by going too quickly. For the firewall, I’m going to do the inside and cover it with the firewall mat. My thought there was to use it to cover up all the unused holes and to better seal it. There’s a lot that gets mounted to the engine side an I wanted a cleaner look.

I’m also going to coat the underside of the cowl, back wall, roof and door inners. So far it seems like a good product. I’ll need more to finish, as I was surprised how much I used on the bottom of the cab.

Regardless, it’ll still have more soundproofing than the factory.

Now, do I straight pipe it or put a muffler on it to defeat all of what I’m trying to do?

Edited by mattb73lt

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Me personally, I like the look of factory muffler the best. I’ve seen some gut them to get the noise, but I prefer the sound of a muffler better too. I like that factory curve coming out the muffler. Seems they did some with curve and some straight out of muffler??

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Matt,

Very nice job on that cab...I binge read the entire thread last night.

Cheers,Pat

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Back on its feet. Rebuilt and shortened my dolly, it was starting to sag and I need it more stable for the work ahead. Man, this cab looks good now.

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Hi Matt

For your firewall please see our firewall, we have lots of fittings etc including our custom vintage air co fittings, but the smooth mirror finish is clearly seen behind all the fittings. The aim is to stop the sound and the heat getting into the firewall metal from the engine side, that is the best 1st action that is overlooked. Once the engine side of the metal is shielded, it is at least 75% of stopping heat and sound coming into the cab. The inside cab is about 25%. The same as the cab floor, you have applied LS to the underside, so the heat from the gearbox will not penetrate thru the floor. Same principal for the fire wall. 

For the firewall holes, may I suggest that you weld a thin plate on the cab side over the holes that you will not use. Then you can apply the LS to the engine side of the firewall and then the hyfil to build up to a mirror finish.

Re the use of the LS, yes you will use a bit more in the crevices etc, but on the generally flat areas you should not exceed more than thickness of a credit card. Double the thickness does not produce double the insulation, so you dont need to waste the LS by applying a thick coating.

And yes do all the inside of the doors especially the bottom sills, it will seal and prevent rust permanently and do all inside the doors. You will be most surprised by the dull sound when you open and close the doors, it will sound like a clunk, no tinny vibrating sound. And do the under sides of the fenders, deadens the road noise. And same under the hood - you wont use much LS under the hood, it works like sound deadner under cars hoods.

My experience in our B model, with E350 turbo motor and 10 spd overdrive, is it cuts out the noise and vibration coming from the engine bay, so then you can hear what you want to hear - the music coming out of the exhaust. You can go straight because with the LS all inside your cabin, and the upholstery it will cut down the exhaust sound, wind up the windows and it will be quieter. When I want to hear our exhaust humming, going up hill and winding up the turbo or going down hill and engine brake on, then I wind down the windows and I hear the music coming from the 2 exhausts. And in middle of the night the sound is fantastic, just the humming from the exhaust. Not dulled by noise coming from the engine bay thru the floor, firewall, engine hood and doors. Only noise that we could not cut out is the vibration that comes thru the gear lever - we have sound padding but it is ok, only under load it is a bit noisy.

Ian's LTL Pal had the LS applied same as our B model, it has straight exhausts and a 400 HP Cummins, he got same experience a I do in our B model.

That is the real benefit of the LS and it sound control product, it cuts out all the shit noises so then you can properly hear the exhaust sound. 

 

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Matt - what are you planning to do with the 2 vents on the rear of the cab? Ian welded a curved plate inside over both vents stops water and all else getting into cab and upholstery and all inside cab had LS applied

I dont have a picture of the plates he welded, but I will try ask his panel guy if he took some pictures.

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