Wait this is the straight axle guy, right?? Man I didn't realize. That tire resonance info was interesting. I was always told that was the tires hooking up and bogging the motor.
I love these style of videos. I love when someone can show the data of an experiment and then actually show footage of the experiment and give an in depth technical explanation of why it did or didn’t work
You have to know that putting a microphone in front of either Kenny Wallace or Ken Schrader (or even worse, the two together!) is going to be entertaining! Man, those two are funny. They've been best buddies forever and it takes nearly nothing to set them off! 😂🤣 Great Video! You have a new subscriber. Thanks...
Back in the mid to late 80s we ran on pavement at Jeffco Ga with DLMs twice a year... that race was a huge hit with fans. Right when the "small bodies" were mandated. Most all chassis back then were leaf spring and 5th coill or spring rod lift bars... except some of the Custom cars with the wishbone trailing arms... or the PRC cantilever cars. In 85 we had a Rayburn with mono leafs and 5th coil suspension... Mike Head drove our car... ran 3rd first race and he won the second. The suspension geometry of those chassis didn't really throw those cars around like today so being smooth on the brakes and limiting pitch on entry was pretty easy for the drivers and it was key to carrying the center and having good drive off the corner. We also didn't have crap for downforce with the short little noses and 5" tall rear spoilers but it didn't really matter because Jeffco was pretty big track with decent banking. If i recall right we were over a second faster than the pavement LMs back then as well... would have been amazing to have that show the year before when we still had wedge bodies.
In Australia, they ran a late model equivalent "grandnationals" once or twice on the calder park thunderdome. Think a 1 mile Charlotte clone. They got told to never come back as they were significantly faster than the nascars
@the_ultra_robot6884 just had a quick look basically but with less banking on the straights 6deg on the back and 4deg in tri oval then Rockingham, and even corner banking of 24deg. It was allways described here as a Charlotte clone prob because Charlotte is more well know
Sprintcar background here and anytime our program was getting stagnant we could always strike up a conversation with some older gentleman that were willing to opening our eyes to thing a little out of the box. They truly taught us a lot about how and why things worked
I'd love to see more about data acquisition and telemetry off the car. How you get it, what you're looking for, how data influences decisions. Really cool to see modern R&D stuff in this application.
We did this from 2005-2013 with Northeast 358 Modifieds at Airborne Park Speedway. It was fun for the first couple of years, and then people decided they wanted to specialize components. I wish we would've stayed on the dirt tracks, but it was fun while we did it.
Been done many times before. Lake Eries Speedway [PA] (not be confused with the dirt track ERIEZ Speedway just a few miles away) used to hold events with dirt modified’s and Dirt Latemodels at their speedway during the early / mid 2000’s. If I’m not mistaken they even ran some of these events with a mixed field of pavement cars and dirt cars. Also, if I remember correctly, they had invited a few of our local dirt track “hero’s” and multi DLM WOO winners up to the track on a few occasions in attempts at cross platform marketing.
Knew a guy back in the late '90s who took an IMCA/UMP Mod run on dirt to 5 Flags in Pennsicola one time, and just had some very old McCreary IMCA tires (back when the local tracks in south Louisiana and Mississippi switched away from IMCA so the regular tire was the Hoosiers) and didn't bother changing the suspension setup at all (old GRT or i forget the brand, Texas made iirc. Used a Gremlin style roof, very dirt oriented chassis, 5 link, pull bar) and did surprisingly well even hiking the inside front well off the ground. My buddy with his '91 Dirtworks (Chevelle frame, 3 link/lift bar) had an easier swap, but was not going to buy the IMCA rims to be legal ("She's saving me money by forcing me to pay twice as much for rims as I normally do, then the sticker comes off the first time my kid pressure washes the car.")
We ran on asphalt at Ace speedway back in 1994 for a 3 race deal. We were on leaf springs then but it was exciting. KO the front clip on race #2 so we laid out of the 3rd race.
In the early 2000's, my local asphalt track, Cordele Motor Speedway, they ran dirt late models on a regular basis. The series was the national late model dirt series. They put on some awesome races. Back then, I know they would drop the top bars to take alot of the drive out of them, and some ran a 4 bar set up on the floating bird cage on the left rear and would run a z-link or wats link on the right rear.
Many years ago my local asphalt track had a special event competing superlate model dirt cars running on slicks against their asphalt superlate regulars. Unfortunately few dirt drivers took the challenge, and those that did finished poorly.
Very good job of explaining it. Sure had it aired out on the dirt. And seeing Matt Kenseth stuff Joey Lagoono brings a smile to my face Everytime i see it. Matt got a million new fans that day.
I was at that race. We had fan scan radios on. It was hilarious to listen them as Matt was driving slow waiting for Joey he was being yelled at not to do it. The whole place went crazy when he hit him.
back in the mid to late 90s i raced dirt super stocks i never thought about running asphalt now i took a asphalt stock car and ran it in parogan speedway in indiana and won my feature
I have always wondered about that throttle modulation sound in the corners. I never thought about the tires resonating. More specifically at 3hz. That's wild!
we would get several dirt cars at the open comp weekends at the local 3/8 asphalt track. They were fast running alone but either broke or were taken out by the locals in the main.
They used to do speed runs in late 80's early 90's at Bristol everything from dirt sprints, motorcycles and Super modified. I do believe the dirt sprintcars were the fastest on pavement. So to answer your question, there's almost always a way to figure out the geometry as long as you have a decent tire.
Super fun video! I think the reason why you are getting higher sustained g's on dirt is because the car is effectively wider while due to being at such a high yaw angle.
We do it yearly up here in Alaska at Alaska Raceway Park... i run the Asphalt late model tires but some most other guys run our standard dirt hoosiers. we just crank up the RR spring preload and run 25# in RH tires and 20 in LH tires.
I personally raced my dirt late on asphalt at colorado National speedway, insane traction especially at night,we were way faster than asphalt late models,keep this in mind youre power steering fluid will overheat on asphalt ask what fluid you should be using ,
I remember Fastrak was going to put crate late models on the quarter mile at Atlanta. Not sure if that happened. We didn't run it because of the changes needed.
Jennerstown ran dirt late models on pavement for a couple years. Fast fast fast. The STARS late model series raced them at Clearfield and Midvale. Very fast.
I'm a bit perplexed about the "tire frequency" bit. Humans can't hear much below 20 Hz, some as low as 12 Hz but 2-3? I think the sound we're hearing is an artifact of the engine RPM against available traction.
Since this was an outlaw kinda deal, and it went well, maybe you should bring back your straight bar set-up. That would be certain to kick asphalt (intentional pun).
Bloomquist come too Caraway Speedway my family's home track and they barely let off and went wide open all the way around our Asphault 1/2 or 5/10s mile
go watch some rock bouncers in solomo... that wa wa wa is the tire loading obviously but it makes that sound because as the tire bounces and loads it changes the tone...imagine the sound wave looking and working like a shovel
U have Dracing Drifting and Circle track had a baby !! Local 3/8 blacktop Track did this a yr with dirt sportmods and it was def a bit 🌽 corny hence it only lasting a yr..
Power to weight ratio on display there. The dirt SLM’s weigh nothing compared to an asphalt SLM or Late Model Stock. The dirt cars also make more power than asphalt SLM’s and Late Model Stock Cars. Lighter + more power = faster.
They run non winged sprints on some bigger tracks. As well as silver crown cars. A winged sprint car looses its advantage on big tracks because the wing is so much drag. And, with big tracks they tend to break wheels and hubs because the forces are so high. They ran winged sprint cars around the Nashville Fairgrounds a few years ago and multiple cars wrecked because the wheels and/or hubs broke. And that’s not even a very big track.
I.e. the stagger creates slip between the two staggered tires, what’s the value of the front wheel sensor vs the rear tires discrepancy with each other under caution speed.
@@AKracecars Lol, This was before RUclips was even popular and back when cell phones recorded about as good as an Atari’s graphics were. I guess that came off kinda bad, But definitely wasn’t meant like that man! We were really surprised at how well the cars drove too. But we realized really quickly that without taming the car down some it was wayyyy too radical. Once we figured that out it was actually quite impressive how well it went. Appreciate the videos man!!! Thanks
How do they compare to an Asphalt Modified or a Super Modified With comparable H/P There are plenty of Asphalt cars that would obliterate a Late Model in Roundy Round Asphalt Racing.
@@AKracecars I would have to see that to believe it. Take one to Oswego and see how you do. against a Super. I find it hard to believe But if there is proof I can admit I was wrong.
@@AKracecars LOL Yeah I was gonna say offset engine wider tires off set chassis wheels adjustable wing. Now I would like to see a super on dirt and a winged sprint on asphalt.
Dirt late models are the most obese oversize things. Here in Oz on our smaller tracks they do not fit. Rear steer and falling over on the r/f makes them unwieldy at best. Even our Supersedans emulate this and look crap doing it.
@@SLMdirtfan coulda went another 50. I was taking it very easy hoping there would be a lot of tire deg, everyone else was WTFO and it took 48 laps for me to start running better laps
Can we just say if he wanted to could literally have the best dirt track Channel in the game.. his videos are not daily but when they drop 🔥
Absence makes the heart grow fonder ❤️
@AKracecars as Jim Cornette says, how can we miss you if you never go away
Wait this is the straight axle guy, right?? Man I didn't realize.
That tire resonance info was interesting. I was always told that was the tires hooking up and bogging the motor.
I agree. Hunt the front kinda rules the market,but their videos are all the same
Number of tires grooved: 0
Peak yaw rate: -28.1 deg/sec
Pounds of mud scraped: 0
Classified suspension learnings: priceless
I love these style of videos. I love when someone can show the data of an experiment and then actually show footage of the experiment and give an in depth technical explanation of why it did or didn’t work
That Kenny Wallace clip almost made me choke on my dinner 💀
Had to normalize the fact that I was making Racecar noises into my microphone by myself 🤣
You should hear his Jake brake 😂
You have to know that putting a microphone in front of either Kenny Wallace or Ken Schrader (or even worse, the two together!) is going to be entertaining! Man, those two are funny. They've been best buddies forever and it takes nearly nothing to set them off! 😂🤣
Great Video! You have a new subscriber. Thanks...
I was at this race it was awesome seeing how fast these supers were flying,I absolutely loved it.the sounds of the engines was absolutely astounding
I never skip an AK video
Great video Austin. Really like and appreciate your content. As a dirt racer and tech guy, your content is right up my alley!
Back in the mid to late 80s we ran on pavement at Jeffco Ga with DLMs twice a year... that race was a huge hit with fans. Right when the "small bodies" were mandated. Most all chassis back then were leaf spring and 5th coill or spring rod lift bars... except some of the Custom cars with the wishbone trailing arms... or the PRC cantilever cars. In 85 we had a Rayburn with mono leafs and 5th coil suspension... Mike Head drove our car... ran 3rd first race and he won the second. The suspension geometry of those chassis didn't really throw those cars around like today so being smooth on the brakes and limiting pitch on entry was pretty easy for the drivers and it was key to carrying the center and having good drive off the corner. We also didn't have crap for downforce with the short little noses and 5" tall rear spoilers but it didn't really matter because Jeffco was pretty big track with decent banking. If i recall right we were over a second faster than the pavement LMs back then as well... would have been amazing to have that show the year before when we still had wedge bodies.
In Australia, they ran a late model equivalent "grandnationals" once or twice on the calder park thunderdome.
Think a 1 mile Charlotte clone.
They got told to never come back as they were significantly faster than the nascars
I have herd the same story but haven't herd it first hand
@shaneandrew6058 There are photos of it, I think I saw them on one of the Facebook nascar or speed historic groups, happened around 1988
"A one mile charlotte clone"
So Rockingham?
@the_ultra_robot6884 just had a quick look basically but with less banking on the straights 6deg on the back and 4deg in tri oval then Rockingham, and even corner banking of 24deg.
It was allways described here as a Charlotte clone prob because Charlotte is more well know
Subscribed! I like all the nerdiness in this video. AK Racecars. Reminds me of another AK as in Alan Kulwicki.
Sprintcar background here and anytime our program was getting stagnant we could always strike up a conversation with some older gentleman that were willing to opening our eyes to thing a little out of the box. They truly taught us a lot about how and why things worked
I'd love to see more about data acquisition and telemetry off the car. How you get it, what you're looking for, how data influences decisions. Really cool to see modern R&D stuff in this application.
@@dieselhead7961 viewer retention in that one would be 📉. Lol
We did this from 2005-2013 with Northeast 358 Modifieds at Airborne Park Speedway. It was fun for the first couple of years, and then people decided they wanted to specialize components. I wish we would've stayed on the dirt tracks, but it was fun while we did it.
This guy is always pushing forward and thinking out of the box...he is smart.
CJ Rayburn always said he developed his dirt tech on asphalt first before running it on dirt.
when did he say that
@@jimmieroan9881he didn't say it but a few of his cars were developed on Asphalt and switched over to dirt.
Been done many times before. Lake Eries Speedway [PA] (not be confused with the dirt track ERIEZ Speedway just a few miles away) used to hold events with dirt modified’s and Dirt Latemodels at their speedway during the early / mid 2000’s. If I’m not mistaken they even ran some of these events with a mixed field of pavement cars and dirt cars. Also, if I remember correctly, they had invited a few of our local dirt track “hero’s” and multi DLM WOO winners up to the track on a few occasions in attempts at cross platform marketing.
Knew a guy back in the late '90s who took an IMCA/UMP Mod run on dirt to 5 Flags in Pennsicola one time, and just had some very old McCreary IMCA tires (back when the local tracks in south Louisiana and Mississippi switched away from IMCA so the regular tire was the Hoosiers) and didn't bother changing the suspension setup at all (old GRT or i forget the brand, Texas made iirc. Used a Gremlin style roof, very dirt oriented chassis, 5 link, pull bar) and did surprisingly well even hiking the inside front well off the ground. My buddy with his '91 Dirtworks (Chevelle frame, 3 link/lift bar) had an easier swap, but was not going to buy the IMCA rims to be legal ("She's saving me money by forcing me to pay twice as much for rims as I normally do, then the sticker comes off the first time my kid pressure washes the car.")
Thank you Austin! I really enjoyed this! Looking at possibly running my dirt UMP mod on pavement next year if the series forms!
We ran on asphalt at Ace speedway back in 1994 for a 3 race deal. We were on leaf springs then but it was exciting. KO the front clip on race #2 so we laid out of the 3rd race.
In the early 2000's, my local asphalt track, Cordele Motor Speedway, they ran dirt late models on a regular basis. The series was the national late model dirt series. They put on some awesome races. Back then, I know they would drop the top bars to take alot of the drive out of them, and some ran a 4 bar set up on the floating bird cage on the left rear and would run a z-link or wats link on the right rear.
Many years ago my local asphalt track had a special event competing superlate model dirt cars running on slicks against their asphalt superlate regulars. Unfortunately few dirt drivers took the challenge, and those that did finished poorly.
Very good job of explaining it. Sure had it aired out on the dirt. And seeing Matt Kenseth stuff Joey Lagoono brings a smile to my face Everytime i see it. Matt got a million new fans that day.
I was at that race. We had fan scan radios on. It was hilarious to listen them as Matt was driving slow waiting for Joey he was being yelled at not to do it. The whole place went crazy when he hit him.
back in the mid to late 90s i raced dirt super stocks i never thought about running asphalt now i took a asphalt stock car and ran it in parogan speedway in indiana and won my feature
Great insight. I've been wondering what caused that sound. Makes sense that everything in the car exploits that frequency!
I have always wondered about that throttle modulation sound in the corners. I never thought about the tires resonating. More specifically at 3hz. That's wild!
That's awesome love to see it.
It was good to see ya Friday. Good run Saturday bud. This is cool info
Cool video! Very interesting.Thanks.🏁
we would get several dirt cars at the open comp weekends at the local 3/8 asphalt track. They were fast running alone but either broke or were taken out by the locals in the main.
Keep them coming. Thoroughly enjoyed!
Damn really cool, especially the telemetry stuff. I had no idea the acceleration that dirt pulls.
Do you think the dirt LM would be different on a high banked short track like Winchester or 5 Flags?
They ran outlaw late models at Salem and Winchester in the 90's
They used to do speed runs in late 80's early 90's at Bristol everything from dirt sprints, motorcycles and Super modified. I do believe the dirt sprintcars were the fastest on pavement. So to answer your question, there's almost always a way to figure out the geometry as long as you have a decent tire.
Super fun video!
I think the reason why you are getting higher sustained g's on dirt is because the car is effectively wider while due to being at such a high yaw angle.
@@grantborman757 very interesting point!
I did not expect to see my local dirt track in this video, the mention of ultimate motorsports park freaked me out
Love the comparisons and sound effects 👌 😅
Hawkeye Downs speedway in Cedar Rapids has been running IMCA Sport Mods as a class. they also run dirt tires iir tbh.
We do it yearly up here in Alaska at Alaska Raceway Park... i run the Asphalt late model tires but some most other guys run our standard dirt hoosiers. we just crank up the RR spring preload and run 25# in RH tires and 20 in LH tires.
I personally raced my dirt late on asphalt at colorado National speedway, insane traction especially at night,we were way faster than asphalt late models,keep this in mind youre power steering fluid will overheat on asphalt ask what fluid you should be using ,
I love the Kenny Wallace clip lmao
very cool info would love to see the shock data. i suspect the data would change quiet a bit if you had more time to nail the set up
Cool stuff with the data. I was out of sprint car racing right before anyone started using it setup dirt cars.
Between this and the straight axle video i guess i gotta subscribe now. I love weird stuff that goes against convention
Bout time!
Wonder how the straight axle would have done.
I was there in the 56 mmsa car
Love the vids!
I remember Fastrak was going to put crate late models on the quarter mile at Atlanta. Not sure if that happened. We didn't run it because of the changes needed.
Your videos are excellent!
Jennerstown ran dirt late models on pavement for a couple years. Fast fast fast. The STARS late model series raced them at Clearfield and Midvale. Very fast.
I'm a bit perplexed about the "tire frequency" bit. Humans can't hear much below 20 Hz, some as low as 12 Hz but 2-3? I think the sound we're hearing is an artifact of the engine RPM against available traction.
Very Cool. Thanks Austin
Very interesting stuff, thanks for posting.
best videos on youtube
Yeah,increase in compression and rebound. How much ? Classified !
I used to watch Randy Sweet kick everyone's ass at Salem Speedway in the early 1990's in an Outlaw late model which is a wedge body late model...btw
Since this was an outlaw kinda deal, and it went well, maybe you should bring back your straight bar set-up. That would be certain to kick asphalt (intentional pun).
Bloomquist come too Caraway Speedway my family's home track and they barely let off and went wide open all the way around our Asphault 1/2 or 5/10s mile
go watch some rock bouncers in solomo... that wa wa wa is the tire loading obviously but it makes that sound because as the tire bounces and loads it changes the tone...imagine the sound wave looking and working like a shovel
* reads title * I don't know but you're going to see some serious shit.
Great video! Subscribed!
@@zebelian thanks pal!
Kenny Wallace is a national treasure...lol
Wow super cool information!
And the end where the car is side ways explains why it's faster on dirt
Sliding can actually make you faster under the correct conditions
yesssss more content!
Awesome video. Thank you.
U have Dracing Drifting and Circle track had a baby !!
Local 3/8 blacktop Track did this a yr with dirt sportmods and it was def a bit 🌽 corny hence it only lasting a yr..
You crack me up but still credit where it's due
This is crazy interesting!
A full second faster than the asphalt late models? WTF?!
Power to weight ratio on display there. The dirt SLM’s weigh nothing compared to an asphalt SLM or Late Model Stock. The dirt cars also make more power than asphalt SLM’s and Late Model Stock Cars. Lighter + more power = faster.
@shawncarson8131 don't forget the shit ton of aero these cars have
@@the_ultra_robot6884 900 horsepower is just more fun to watch. 🏁
1 second is nothing when you think of the advantages of SLM. And anderson is only limited latemodels weekly
@@brandoncreswell Im just imagining how cool asphalt super late models would be with 900 horsepower 😁
This guy is super smart
I'd like to see sprint cars on a super speedway.
They run non winged sprints on some bigger tracks. As well as silver crown cars.
A winged sprint car looses its advantage on big tracks because the wing is so much drag. And, with big tracks they tend to break wheels and hubs because the forces are so high.
They ran winged sprint cars around the Nashville Fairgrounds a few years ago and multiple cars wrecked because the wheels and/or hubs broke. And that’s not even a very big track.
Great video man!
Do you have a twin? I swear at 6:36 I see 2 of you.
Could you compare brisca f1 to sprint car
Dirt track cars > asphalt cars
We used to race IMCA late models at cedar rapids Hawkeye down on the asphalt once a year 20 years ago
I mean they do have asphalt super late model classes where the cars built for asphalt
Since when does a dirt late model have a handbrake
Great video
In reference to wheel spin and speed… How much stagger did it have?
I.e. the stagger creates slip between the two staggered tires, what’s the value of the front wheel sensor vs the rear tires discrepancy with each other under caution speed.
I'm curious how you collect data and use that for set ups. Is this something a normal dirt guy can buy and use for testing?
Yeah if they got the money to buy it
Love Dirt!
I think a dirt late model using Drift tires could allow a race similar to racing on dirt
@@tatesmith9085 if you were actually racing drift cars, it would be way faster for them to not drift.. lol
We’ve done this before about 15 years ago
@@tripleeathletics where’s the RUclips video?
@@AKracecars Lol, This was before RUclips was even popular and back when cell phones recorded about as good as an Atari’s graphics were. I guess that came off kinda bad, But definitely wasn’t meant like that man! We were really surprised at how well the cars drove too. But we realized really quickly that without taming the car down some it was wayyyy too radical. Once we figured that out it was actually quite impressive how well it went. Appreciate the videos man!!! Thanks
this is exactly the nerd shit I was looking for. appreciate your effort.
@@AgentUmpqua 👊🏻
more info on the voice overs
I know 😂 dirt's for racing and asphalt is for getting there 😮
Long live freindship speedway.... ultimate motorsports park.
Pavement vs Dirt , does one surface require more driving skill than the other? Dirt seems more forgiving .
How do they compare to an Asphalt Modified or a Super Modified With comparable H/P There are plenty of Asphalt cars that would obliterate a Late Model in Roundy Round Asphalt Racing.
Dirt late models are 2 tenths faster than asphalt super modifieds on the same track
@@AKracecars I would have to see that to believe it. Take one to Oswego and see how you do. against a Super. I find it hard to believe But if there is proof I can admit I was wrong.
@@jimmyjackass1805 I just made that up, I’m sure a super modified would be another second faster than us
@@AKracecars LOL Yeah I was gonna say offset engine wider tires off set chassis wheels adjustable wing. Now I would like to see a super on dirt and a winged sprint on asphalt.
Well its not a racecar for a person with OCD. I like the hostory and engineering tho
This video is way more interesting that any actual race on asphalt.
Call me crazy, but I'd love to see a symmetrical late model car for road courses.
@@skaldlouiscyphre2453 not crazy. I want to build a track day car out of late model parts. It would be wicked fast
ok so how about asphalt late models on dirt
Haha Kenny Wallace!
We did that thirty years ago , your radio is way off
@@JodyHall-g3f I’m sure your mom is proud
Dirt late models are the most obese oversize things. Here in Oz on our smaller tracks they do not fit.
Rear steer and falling over on the r/f makes them unwieldy at best. Even our Supersedans emulate this and look crap doing it.
You stated the tires held up way better than you thought they would. Would you say they could be raced again after the 50 lap race or were they toast?
@@SLMdirtfan coulda went another 50. I was taking it very easy hoping there would be a lot of tire deg, everyone else was WTFO and it took 48 laps for me to start running better laps
Dirt for farming pavement for racing
You mean running into people
Like Nascar ABB EV 1300hp
Nascar rulebooks will never allow
If there was a way to make DLMs gay you found it.
You had to turn left on abrasive asphalt no way 😂 .. Asphalt is where it’s at . It’s just cleaner more precise racing ..