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Sam's Garage Season 15 Episode 8
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Short filmTranscript
00:00No problems, no issues, a little bit of painting, peeling because someone didn't prep it when
00:05they powder coated it. And then we got a nice little chip right there. At the beginning
00:08of the week that chip was not there, then it appeared and now it's growing. And then
00:13we got a chip. Welcome to Sam's Garage presented by NH Oil Undercoding.
00:30This week on Sam's Garage, the great race rolls through the mountains of West Virginia
00:55as teams tackle winding roads, vintage engines, and small town hospitality.
01:00We'll meet the racers, the artists, and even a 15-year-old driver chasing his dream.
01:07Then we head to Southfield Classics to talk EV manufacturing and the future of high voltage
01:14builds. Finally, Sam breaks down the science of boost, turbochargers, wastegates, and blow-off
01:22wastegates, and blow-off valves made simple.
01:29We have 135-plus cars in the great race. Checkpoints along the way that they don't know in advance.
01:37And so the goal is you're going to stay on target. From start to finish, it's like family to me.
01:42Keeping it maintained, keeping it running hard. It's a complete family member. It's an experience.
01:47All the workers, all the towns that have been welcoming us. Winning an ace in the great race is just,
01:52it's one of the things that just lifts you up.
01:54Were we on time and everybody else was wrong? Were they on time and we were wrong?
01:58I guess we'll find out tonight.
02:03135 vintage cars, endless hills, and hometown pride, this leg of the great race runs through the
02:10scenic roads of West Virginia.
02:17We just left a very scenic area back in Charleston. We went through the New River Gorge Bridge,
02:23which is the tallest arch bridge in North America, built in 1977.
02:27Right now we're in Lewisburg, which is considered the coolest small town in USA.
02:31And from the looks of it, the Nissan made it. We just went through some treacherous back roads,
02:36but it was absolutely a blast. We've got a small little chip right here on the windshield
02:41that's growing a little bit, so we have to watch out for that.
02:46It's a 1938 Chevy. It's all original, other than the interior.
02:51My wife actually sewed the interior together for us.
02:55Mechanically, it's been gone through, but it's still all the original parts and pieces.
03:0180 horsepower, 216 cubic inch, inline six, second gear only up hills, and top speed of 35.
03:09This area is pretty challenging to get up and down through those hills.
03:12Oh, we've got Teron Navigator today, and then my buddy Finn. Finn's in the backseat just chilling, having a good day.
03:18St. Louis Community College team. We've got a 72 Mercury Cougar running this year, and a 1941 Ford Super Deluxe.
03:25And we are team two with this car. We are in the automotive program, which is just a two-year program,
03:31just to see if you want to learn the process of becoming a technician and working on cars.
03:36And a lot of us are working in shops back in St. Louis, so we love it.
03:40My dad, a couple of years ago, bought a VW Bug 68, and I've just been messing with that for a couple of years with him.
03:46So, family tradition. The great race experience is, it's great, just going around the country,
03:51seeing things I've never seen before in states I've never been to, and doing it with my buddies from school
03:56is probably the greatest experience I've had.
03:58People are discovering it, and are surprised, and they're moving here from other states because of the quality of life,
04:10and the cultural events, and they can buy twice the house that they had in these urban areas
04:17for the same amount of money, or even less. We have boutiques and shops.
04:21Also, we're about 10 minutes from the world-famous Greenbrier Resort Hotel.
04:25For the third year in a row, we were named the first 10 Best, USA Today's 10 Best Small Town Food Scene.
04:37And so, we own this visitor center here that's right in downtown Lewisburg,
04:41and we're just so happy to host this event. We're providing lunch for all the racers and volunteers,
04:48and it's just great to have this hubbub of all of the excitement, and these great cars,
04:54and all of these great people in our town. It's been a real pleasure.
04:57Our goal and mission is to market the area as a premier tourist destination,
05:03so people will come here and, you know, spend the night, go eat in our restaurants, shop in our shops,
05:09float down the beautiful Greenbrier River, and just enjoy our area.
05:13So, we're like the marketing agency and the cheerleader for the Greenbrier Valley.
05:18Oh, I'd be navigator, hands down.
05:20Navigator, driver, easy.
05:22Yeah.
05:23Yeah.
05:24My direction style is kind of like naming, say, like, the funky-looking tree,
05:29or, you know, you're gonna see a turn, but you gotta pass that one, head to the next one.
05:34All the landmark stuff.
05:35It's not great.
05:36I've learned you to roll with it.
05:38Yep.
05:39Farewell from Lewisburg.
05:45Sam's Garage is presented by NHOU.
05:49Brought to you by the following companies.
05:53Welcome back to Sam's Garage.
06:22Presented by NH Oil Undercoding.
06:33From Evel Knievel's artist to 15-year-old driver with his family team,
06:37The Great Race brings generations together.
06:39Proof that passion for cars has no age limit.
06:42The Great Race is brought to you by Rod & Supply.
06:47We don't just sell them, we race them.
06:50So, first of all, none of this would be possible without our sponsors.
06:54Rogo Fasteners, Hemsaw, ACC Performance, Rod & Supply.
06:58At 30 miles an hour in a stick shift, you can be in second or third gear.
07:01Both are hard.
07:02Neither gear works for you best.
07:04So, it was so hard keeping 30 miles an hour in that gear.
07:07Doug was laughing at me so hard.
07:09So, The Great Race is all about challenges, my friends.
07:11It is not easy.
07:12You are going slow, but there is nothing easy about it at all.
07:15Let me go ahead and see if I can't put this guy on nice and straight on this race car.
07:19We call it Datsun.
07:20It belongs to Doug Harris.
07:22Hopefully be friends till the end of our days.
07:30In fact, I have a couple friends who every year try to make it to either the start or the finish.
07:35To spend about three or four days with us.
07:37And along the way, we're fortunate this year to get to Daryl's hometown.
07:43A home area in West Virginia, so he could see some relatives and longtime friends.
07:49And today, of course, his siblings are here to greet him in Roanoke.
07:53And what a better way to finish than to see your family.
07:56My sister and niece and nephew live here in Roanoke.
08:00My brother is down from Wheeling, West Virginia.
08:02And my other sister is up from your neck of the woods, Atlanta, Georgia.
08:07We're having a family reunion at The Great Race.
08:11The Great Race is filled with special people like George Sadlake.
08:14This gentleman is the artist that did all the work on Evel Knievel's motorcycle and helmet.
08:18He's also the artist behind the artwork that's going to be auctioned off at the banquet the last day.
08:22And all the proceeds from the auction goes towards the X-Cup.
08:25Tell us about your painting, George.
08:27Basically, I took different vehicles that I knew were going to be in the race, except for this one.
08:33This one here won three years ago.
08:36And it's a Velie.
08:38And actually, it was made in my hometown in the 20s.
08:41And this car here won about three years ago.
08:45And a couple years ago, these young ladies were only 18 and 19 when they did it.
08:50And loving Corvettes, they put the Corvette in.
08:53It's in this race.
08:54And these guys with this 41 or 40 Ford.
08:57And then these are the young kids in the X-Cup that have got this 76 Toronado.
09:04I call it the Hooptie.
09:05They got it all fixed up, and they're driving and having a lot of fun.
09:08This Hooptie right here with the bullhorns on it, this is the one that Cotton and I fixed in the parking lot for the X-Cup.
09:13And the very next day, the kids got an A, so we did a good job fixing that.
09:17Cason's right next to me.
09:21I look at him like, man, how old are you?
09:23He's like, I'm 15 years old.
09:25I'm like, and you're driving the car?
09:26He goes, yes.
09:27I'm like, you're driving it with a permit, right?
09:29He said, yes.
09:30And he's got his family, his cousin, his grandpa, and the father with him.
09:33Now, for all you guys who are waiting until you're 18, 20, 21, 22 to get your licenses, I'm sorry.
09:38But shame on you.
09:39This guy has got a permit, and he's doing the great race.
09:41And in my opinion, the Navigator's got a hard job, but we have a very difficult job, don't we?
09:46So I've been racing since I was three.
09:48I started out in USAC Quarter Midgets, and I went desert racing after that.
09:55Did that for a couple years, and now I'm back doing circle track and IMCA Modifieds.
10:00Wow.
10:01So what's the future look like for him?
10:03To whatever we can get his feet in, right?
10:05Yes.
10:06One of the things I always wanted to do is just get him in whatever cars we can get him in to race and have a good time.
10:11And my dad has been a big help to me in accomplishing that, you know?
10:16Well, it's a 1963 Ford Galaxy 500.
10:20It's a convertible.
10:21I bought it in Massachusetts about four years ago.
10:24I asked the boys if they wanted to race.
10:26They were all over it.
10:27A little Ace over here was ready to do the video for us for a family event.
10:31I've been driving this Southfield Classics SC31T all weekend.
10:46This is the prototype they built.
10:48Complete Chevy 3100.
10:50The patina on it is absolutely real.
10:53This truck is, as you see it from the factory, all they did was use this as a mule to make it high voltage.
10:59And you guys, these high voltage vehicles don't have the issues that any of these EVs have.
11:03One, they're not ugly.
11:04For some reason, the companies think that you have to make the cars design a certain way so that you know that it's electric and most of them are just ugly.
11:11They're heavy.
11:12And because they're heavy, they may have a lot of road noise.
11:15And that road noise also is the reason why you're killing your tires because the tires have to put up with more weight.
11:21So these trucks that Southfield is building along with the GT doesn't have any of those issues.
11:26This truck weighs exactly the same as a regular 3100 Chevy truck would.
11:30The powertrain has been replaced with high voltage powertrain and the three batteries are the same weight as a complete outfitted 350 small block.
11:38So considering that this truck is a 1950-51 truck 5 window and driving it down the road has none of the noises that my Chevy Hemi truck has.
11:46This thing is completely quiet and solid.
11:48It's very cool.
11:51Welcome back to more Sam's Garage presented by NHOU.
11:56At Southfield Classics, Noah and Dan show what it takes to build electric EV hot rods.
12:15Where craftsmanship meets cutting edge technology and six month turnaround times.
12:20This week at Southfield Classics, we're going to be talking education.
12:26There's a lot of things that people don't know when it comes to high voltage vehicles.
12:30And Noah and Dan are going to answer a lot of those questions today.
12:33Where do you see the future of high voltage going?
12:36Well, a lot of it's going to obviously change in technology, right?
12:40So eventually your battery packs will be smaller.
12:43All this stuff will be more obtainable.
12:45And then you'll have more suppliers for these things to where it will almost not make sense to even go the other direction where typically most people go, which is a gasoline engine.
12:54And it's eventually will be enough to a point where I think everybody will be satisfied.
12:58When?
12:59How long?
13:00That is, I guess, the question that would be hard to answer.
13:03But it'll make it there, right?
13:04There's plenty of people working on it now.
13:06So you're saying that eventually the high voltage stuff is going to be maybe not so scary.
13:12You know, even on the green truck was actually even a lot faster than what I assumed it to be.
13:17But what becomes the harder part of it is probably the software to ensure that everything's working properly.
13:24And safely.
13:25And safely is very important, right?
13:27Very important.
13:28A lot of what we do here is to ensure that the cabling and even some of the wiring is done efficiently enough to where it's not coming back.
13:36And it's all just, it's all really just a plug issue.
13:39It's really just maybe one little connector.
13:41That's it in most cases.
13:43Yep.
13:44That's what it seems to be.
13:45And like you said, with the vehicles, you have a lot less maintenance.
13:47And that's because the only thing that you have as far as the cooling system is for the inverter.
13:52And then you've got the standard brake system.
13:54Yeah.
13:55You just have a rotating electric motor that just gets cooled and lubricated by a trans fluid.
13:59All right.
14:00So Dan, what does it take to actually be a manufacturer?
14:03So it's a real pain, let's put it that way.
14:07But in order to be a manufacturer, the jump from being a hot rod builder and going to manufacturing is just a long process.
14:14So part of the manufacturing process would be a licensed VIN manufacturer because we have to get all the certifications together in order to provide VIN numbers for the vehicles.
14:24So our trucks are considered 2025, 26 model year vehicles just like any other new car because they're all new parts.
14:30There's a couple of things that we had to follow.
14:33One of them is the replica car law.
14:35In order to get a VIN in the United States now, according to the EPA and NHTSA, is you won't be able to do it with an ICE engine.
14:42Ice being internal combustion engine.
14:44In order for us to get our licensing, it had to be an electric vehicle.
14:47You have to go through the government process, of course, which is, you know, always a fun ordeal.
14:52And none of this is inexpensive.
14:54None of it is cheap.
14:55Let's put it that way.
14:56For us to pass all, of course, we got to pass all the tests.
14:59We got to have all of those in place.
15:01But of course, like I said, we're going to do low volume here.
15:04We're only doing about 10 to 15 vehicles a year.
15:06That kind of keeps us under a little bit of a radar.
15:08So where the customer wins is you and I were just talking about this earlier of the waiting lists that are going on out there with people who want vehicles built.
15:16Absolutely.
15:17What we've seen with the business I was in before I came here, I would go all over Atlanta working at different shops.
15:23And what you see is they've got a backlog and they're putting people on waiting lists to build their cars.
15:28So a lot of people that are wanting to build a street rod or a restomod, they're three years out, three years out, five years out.
15:35Before they even get the shop.
15:36Before they even hit the shop.
15:37Right.
15:38The way that we've got it set up with the manufacturing side of it now is we can actually turn a car around one every six months.
15:44So from the time that you put your deposit down to the time you deliver the vehicle, it's going to be about a six-month turn.
15:50So next week we're going to come back down to Southfield Classics and we're going to start to assemble the vehicle to show you what the process it takes to make one of these in a six-month period so that you guys can have one for yourself.
16:05Sam's garage is presented by NH oil undercoating is brought to you by the following companies.
16:12Welcome back to Sam's garage presented by NHLU.
16:37Welcome back to Sam's garage presented by NHLU.
16:57Sam breaks down turbocharger basics, boost, blow off valves and wastegates explaining how to add power safely without blowing your engine.
17:05All right, so today we're going to be talking about boost.
17:09I was on the internet scrolling because that's what we all do, right?
17:12And I saw an explanation of what the job of the blow off valve is and it was just totally wrong.
17:19So I want to clarify some things.
17:22So we're going to talk about turbochargers in particular today and boost and how it all works.
17:26The turbocharger first off is a compressor that has a turbine housing on one side and a turbine that is connected to an impeller through a common shaft.
17:38In the middle is a cartridge that oil goes in and oil comes out and basically the theory behind it is right here you have an exhaust manifold and this is a super manifold.
17:48It takes the six cylinders and brings them collectively into one area which is the turbo flange and then you have the wastegate flange.
17:55The turbocharger is going to sit right here.
17:57The gases are going to go through, spin the turbine which in turn spins the impeller which compresses the air and creates heat.
18:06When you create the heat, it's going to go through the intercooler and this is basically a radiator core.
18:11It's air to air intercooler.
18:12It's going to cool that air charge down from whatever it is to roughly ambient temperature.
18:17That's where you want it.
18:18But the more space you have to fill, that's where lag comes into play.
18:23This is a Subaru turbo and the wastegate which we're going to talk about right now is internal and it controls it right here through the turbine housing.
18:31So the wastegate's job right here is a valve and it's going to open up determined by boost.
18:37There's a spring in here.
18:38Let's say you wanted eight pounds of boost.
18:40There'll be an eight pound spring in here.
18:42You're going to put boost pressure here to the side.
18:44That's going to lift the spring up at eight PSI.
18:46It's going to open the valve.
18:47It's going to bleed off gas energy, slowing down the turbine or keeping it regulated at a certain speed.
18:53The blow off valve's job.
18:54What happens is the intake manifold, which takes the air charge, has a throttle body and a throttle plate.
19:01When it's open, the boost goes right in.
19:04But as soon as you snap that throttle, you do this and the air stops and has nowhere to go.
19:09The job of the blow off valve is to release the air and put it out into atmosphere, saving the turbocharger.
19:15So when it comes to boost, especially turbochargers, it's going to be the most efficient way that you can add boost to your engine.
19:22A supercharger does the same thing, except the blower is run off of a belt, which takes parasitic loss from the crankshaft and therefore costs you horsepower.
19:31So especially you four-cylinder guys, you six-cylinder guys, you don't have a lot of torque to waste.
19:36But a four-cylinder especially requires a turbocharger because there is no torque there to spare to turn a blower.
19:42So you're not making any real power there.
19:44I think it's really important too.
19:45And you've always been known for building, you know, efficient and for longevity.
19:51And so many people, if you want to put a turbo in your car, don't just call one person.
19:56Don't just go to one source on the internet.
19:58You're going to need to ask around and make sure that you're not just trying to get the most you can possibly fit into because you're just going to blow it up.
20:06Not only that, you don't want to buy an inexpensive turbo either because if it falls apart, it goes through the engine.
20:11It can cause a lot of problems.
20:13Do your research on this one.
20:14Absolutely.
20:15So you guys go out there, have some fun, you kids.
20:18This is nothing more fun than taking one of these turbochargers right here.
20:21A little bitty, add some air, eight pounds of boost.
20:24If done right, any engine can handle eight pounds of boost all day long.
20:28So grab yourself a little car, four-cylinder.
20:31Go out there and do what we did with what we did at the beginning of Nopi and build a cool car.
20:35And if you have questions, if you're building a car, especially with a turbo and you're not positive,
20:42send Sam an email at info at samsgaragetv.com.
20:52Be sure to check.
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