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I couldn't even begin to imagine an aftercooler in my truck. I've already used every available cubic inch up front. But... I'm not trying to set any records with my truck. It runs great and has decent power... I'm happy. Let's definitely get together next time you're in CO. Colorado Springs is only 45 mins drive from my place. I'd enjoy meeting you and giving you a good look at my truck. Email me at hans.custom.shop@gmail.com or phone 303-884-9079.

Great question. I spent a lot of time figuring this out. I ended up with a Be Cool 60037 radiator, which is designed for 37-39 Ford cars. It's nice and narrow, but I still had to work out a bunch of clearance issues. I had to get creative for the plumbing connections, especially the lower outlet. I'm using electric fans. So far it's all been working great, but I haven't pulled a load up a mountain grade on a hot summer day yet.

And yes, I'm in Parker, Colorado

I bet that Chris Craft sounded great! 👍

I do a lot of welding, but I knew the axle was out of my league. I had a professional welder Z cut the beam, pre-heat, and weld the beam back together. I don't know exactly how he kept it straight, but he did a fantastic job and I have 100% confidence in the axle.

Thanks for watching, and for your comment. I'll try to help with your braking system question. I installed an air over hydraulic system in this truck. There are discs with hydraulic calipers on all 4 wheel ends. The hydraulic brakes are functioned with a conventional hydraulic master cylinder. However, the master cylinder is pushed with an air chamber, similar to what you would find pushing the air brake shoes on a large truck. On my truck there is just the one air chamber, mounted to the hydraulic master cylinder. The truck does make a characteristic air brake sound though. I have a quick release air valve mounted near the air chamber. When the brakes are applied, and then released, there is the quick sound of air pressure release that you probably associate with air brake systems from Class 8 big rigs. For future trailer setups, I'll be able to adapt to use either air trailer brakes or electric trailer brakes. Happy to try to answer any other questions, or let me know if this explanation didn't answer your current question. 👍

Thank you very much for taking the time and giving me exactly the right answer. That is the important thing for me to know how it works and even more important how it sounds, because as mentioned it is about the most realistic sounding sound module for them RC trucks to use. In your case with the hydraulic over air, as you write it, the compressed air brake would be the most realistic. Thank you for your offer to answer further questions. Good luck with your truck project, I will be happy to follow your progress on Joutube. If you have any questions about German trucks and technology, I will be happy to answer them. Kind regards@@hanscustomshop

FYI, I replied to your email. Let me know if it doesn't come through.

Thanks! 👍

The gauges are from Speed Hut. It took some time, but I was able to get the font and layout to look very similar to the original Diamond T gauges. Then I drafted the Diamond T logo and was able to upload it for the gauge backs. 👍

I figure with the larger injectors and the upgraded turbo this engine is likely around 225 HP and 450 ft-lbs

Absolutely. Have that on my list of video ideas. Will try to put that together later this summer. 👍

I hear you. There's no doubt that these projects eat time and money!

Thanks! And I do plan to post a lot more footage of the truck in action. I do hope to build a mini lowboy trailer for hauling cars someday. 👍

Good question. I wish I would have. Part of the reason I didn't is that I wanted to keep the truck old looking. I kept the patina on the cab, so why not the frame. The frame is in fantastic condition... not one bit of rust and there is even a lot of the original paint on it. But in hindsight, it would have been better to coat it black like all the parts I fabricated for the truck.

@@hanscustomshop The new black will wear in with time. Looks amazing

That's a great question. I went through a lot of air spring data and found that the Goodyear 1B6-538 was a good fit for my application.

@@hanscustomshop Thanks for the info. I’m working on a 53 Ford F600 using stock front axle with Chevy 1 ton rotors and calipers. Works good but the ride is terrible.

@@magnusbjornby9015 So far, I'd say my front axle setup is relatively stiff as well. I just don't have much room between the frame and the top leaf spring, so I wasn't able to get a typical suspension air bag in there. It works fine, and keeps the ride height the same regardless of load, but I wish it had a little bit softer ride.

Love those B-model Mack's! I've looked at a couple of them in the past. 👍

Definitely one of the best comments I've had on one of my videos. And I do have an actual engineering degree. 🤣 Thanks for watching!

Thanks for your comment. Would love to see your hot rod truck build!

Thank you for the kind words!

I'd like to know how much HP as well. I don't plan to do any dyno work, but I've been impressed with the power so far. With the 7A77 injectors and the upgraded turbo, I'd guess this engine has somewhere around 225 HP. I've had a lot of people ask about RPM vs. speed. Sounds like I need to do another video! Honestly, I've been thinking about how to do a good video that is focused on how to drive this transmission, and how the math works out for final ratios. The transmission has a 0.8 overdrive for 10th gear, and the rear end has 3.55 gearing. It'll cruise at 75 mph at about 2000 rpm. I'll have to report MPG later, as I haven't gotten to drive it enough to calculate it.

@@hanscustomshop Thank you very much for the feed back. Surprised at the 3:55's but a guy can easily drop down a gear or two if needed. Bet you are hovering at around 15mpg. empty and 65mph. Can't wait to find out.

Thanks! I plan to drive it every chance I get. Grocery store, etc. In the next few months I will be mounting an old big rig 5th wheel hitch. Eventually I'd like to build a mini low-boy trailer to haul cars. 👍

@@hanscustomshop looking forward to following your future progress/updates

Thanks for your comment. I put a lot of thought into keeping the Diamond T frame or not, and I do think keeping it was the right decision. It's plenty strong. You've got a few more inches of room under the hood with your 404. What are you planning to use for the drivetrain?

@@hanscustomshop I actually have 1 1/2 1947 Diamond T 404s. I want to keep it as original as possible with the original drivetrain even though that means that top speed will be about 40 MPH. I plan to use the second cab, fenders, hood, etc. on a RAM 3500 dually with the Cummins engine. Yes, I know that it is common to use the Cummins but I don't want to over complicate it. With the RAM chassis and drivetrain I will be able to enjoy it at today's highway speeds. Sorry for such a long answer to a simple question.

Thank you for the kind comment, and for your support!

Thanks for your kind comment! Sure is exciting to imagine your 306 arriving after such a long journey. Good luck with your modifications and I sure would like to hear more about it. I visited New Zealand in 2013 and had a lot of fun. 👍

Thank you for the reply Hans. I would like to send you a pic of the truck if possible. I am pleased you enjoyed your trip to NZ and had a great time. Regards Darren Buckley

@@darrenbuckley-j4o Darren, feel free to email at hans.custom.shop@gmail.com

Agreed! I hope to build a small low boy trailer to haul my street rod. 👍

You're right... all 2 cycle Detroit Diesel engines use a "blower" to blow fresh air into the cylinders and scavenge exhaust gas out. The blower doesn't increase the pressure of the air, so the term supercharger really doesn't fit. Turbochargers were an option for many of the Detroit Diesel models. The turbocharger feeds high pressure air into the intake of the blower. 👍

453T in a Suburban! Love it!

I have a 1979 F350 with a 453t jakes and a 6610

You’ll really like the V6…..I’d put a “natural” 6V53 with a set of 60’s up against any turbo 453 build out there. A turbo’d 6V53 with a set of 60’s @1.460 should met you in the 275 range @2800 and if you’re willing to spin it to 3,200 could have you at 300hp. From a 318 cubic inch diesel that’s pretty damn impressive. Of course if you can piece together enough 53a Jake masters, drones, bolts and bridges to add those to it you’ll have something even cooler. I had a chance to buy a C70 flat bed with a 6V53 that had a complete working set of Jakes on it for $3,500 a few years back…i passed because the truck was rough and I couldn’t see getting my money back for the motor, a clark 5 speed and an old Eaton 2 speed 21k rear end. Of course a few years later I saw a complete 6V-53A Jake “kit” that were functional but probably needed kits put in them and some wiring replaced end up selling for almost $5k on EBay…..FIVE GRAND. If you’d asked me a decade ago what 5 grand would buy, I’d have said you could get a really nice running silver 6V53TA for that kind of money….or even one of the aluminum 6V’s from the military boats if you could find one. It seems like prices on 2 stroke parts are really skyrocketing these last few years….which is great if you’re somebody that’s been hoarding them for decades, but not so great of you’re one of the dummies who sold most of your hoard before the market went nuts.