FREE 4 Link Calculator (DRAG RACING)
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- Опубліковано 20 жов 2024
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That's a very good explanation how how to set up your 4 link. When I was learning this stuff you had to seek out old timers who weren't competitively racing anymore and get them to share their pearls, and separate the chaff from the wheat. There are a few other considerations though. The position of the bars matter significantly for reasons other than just the antisquat geometry(side view instant centre vs anti squat line). The bottom bar should be as straight as you can practically get it as this is the link that actually drives the car forward. The straighter that bar, the smoother the launch will be and you'll have more power pushing the car forward. The top bar should be mounted as low as possible for similar reasons. The higher it is the more leverage it has on the axle and the more you'll experience negative effects from that.
Film your launches from the side and analyze the video to see what is happening. There is an ideal amount of antisquat and more than that can cause wheelspin after the initial launch as you mentioned but it also wastes horsepower. In theory you should aim for 100% antisquat and then add as necessary to prevent spin on initial launch.
You should also make sure everything else is working the way it should be, that your launches are even and straight, your shocks are dialed in both front and rear, front is very important as well. Spring rate is a big deal as well as your rear rate will be affecting the weight transfer by resisting it. You need very little spring for drag racing as your 4 link is doing so much of the work. I'm not sure what your spring rate is but I would expect it's at least 200lbs and you probably only need half that much in a car as light as a RX7.
Keep up the good work and thanks for the vid!
Always refreshing to see someone with experience in the comments. Your words painted a picture for me and that's a fantastic way to communicate your point. Thanks for the insight! 🇺🇸🏁
Question about the bottom bar. Do you want the bar as level as possible with the ground? Or do you want the bar level with the chassis? For example, if your chassis has a 2 degree downward rake, do you want the bottom bar to also be at a 2 degree downward rake? Or do you want the bottom bar to be as flat as possible with the ground? Please let me know. Thanks.
Always with the ground with racing fuel and driver and tyre pressures just like it was sat on the start line
No "Sup Fukers" in the intro 🙁
Do you really think Wyatt can do math?
Taluvian The dude is low key smart. Most of us figured that out already lol
@@StrikerFin I was being facetious...
I’m always happy when I see facetious in the comment section
Taluvian There are better use for that word bud and If you’re joking just say so. Like to feel smart huh? Anyways, I wasn’t taking you seriously, I was being facetious!
Always happy to see that upload notification 👌🏼
Words to Live By " Just remember keep playing with it if you dont like where it's at" 🍻🐈🔥🔥
Knows all this info but didn't know how to change a tire haha. Good stuff man
How can someone thumbs down this free knowledge. Good stuff sir real car enthusiast respect the time you took.
Just wanted to make sure whoever followed this has this correction (great video!). Your Upper Link should also plumb from the centerline of the axis which would in-fact be a positive X value (not 0) to correct length of upper bar. This will become a dramatic figure once calculating a lot of droop or total suspension travel. Great video, awesome FB!
I like to setup mine on cad software where I can setup a visual with the tires and the bar intersect point, I also plot the center of gravity along with the anti squat line. It really helps to visualize how the bars are pushing on the car and how the push point lifts or pushes down on the nose.
Love the way you explained the set up and very precise and attentions to detail. Thank you for providing the links and demonstrating how to use them. We have an 71 Chevelle A body and our upper adjustable arms don't run parallel with the car. They have an angle that runs toured the out board or out side of the car. Will this formula still work for us. We run 10.50 @125.5 mph with a 1.47 average 60 foot with good track prep leaving at 5000 on trans brake. When the weather gets hot and track prep sucks our 60 go to Shxxt. 1.56 for example. Our upper and lower bars are in stock location with 4 degrees of pinion angle. Any help getting us to improve and be more consistent with greasy track much appreciated.
Thank you for this info. I did it, I figured it out, you made it simple to understand. Of all the videos this is the most concise. Happy @ 97%
Shit one of my old pipefitter journeyman was a chassis expert and use to show me all kinds of shit he knew that blew me away back when I use to street race in my early 20's.Them old school chassis guys are like rocket scientist with their knowledge
What i learned from this video - diddly squat! Sorry couldn't resist, excellent information and explanation :)
Very informative . And easy to follow. I have leaf spring vehicles but I saved this to future! Thanks man!
I would’ve done a lot better in math class if it was race math and every problem solved made your car race better. “I’m not skipping class, I have Metigulous math next period.”
EXACTLY
Buddy combed his hair with a porkchop.
Thanks for the tutorial. I’m always thirsty for knowledge and that was very simple and easy.
I did something weird with my car. I set the frame rails down on 2 jack stands to see where the car would balance evenly with all 4 wheels off the ground. The point at which the jack stands are to do this balance calculated to 51.5% weight on the nose. The 1/4 panels got a little buckled even with an 8 point roll bar when doing the balance but it went back to perfectly straight when she was back on all 4 wheels. Thank goodness. Now that I have that measurement I guess it will help with figuring out the anti squat line ?
Should use millimeters for ease and accuracy other than that, great information.
Easy - word of the day.
Math is an exact science this is going to help tremendously. thanks
There's no way Hayden could pull off this video if Wyatt was around lol, thanks for teaching me something I didn't know about.
Where my dawg at?
The only time I actually watched and listen to someone do math. Lol
notification 👌🏼 where the hell is the intro i need a good "sup fuckers" in the morning! btw thanks for the video I learn something new today.
Great job bubba. Professor Tig science time.
Bro this will help so many people, including myself. ❤️
Why isnt there any more videos of other people building this type of deal I got a z31 a very unpopular car as it not to mention some weak ass axle stubs so that's enough incentive to do an SRA swap lol thanks for the video very helpful
Hells yeah bruh, using that dad brain!
Your good at this wish I can learn some of those stuff
Nice Explanation! 4 Links Rock!
What is the anti squat percent on a Factory fox body Mustang. What percent is used on a radial vs. The World Car
why am i watching this, i own a subaru. you have 69,000 subscribers by the way
I have a torque arm suspension. Calculating IC and AS is a bit tricky 😭
So what happened to the shop
I can't seem to find the link to the calculator. could you please re post it? Thanks
How much did it cost for the cage and 4 link
Thankyou for explaining
Good info, I also made 1.24 on motor
one of you best videos
I'd really like to see a video with you building a roll cage for your car! lol
Easier to do it in millimeters
Bud what’s your Instagram I have some questions my car is hopping all over the place
Great video learn something new everyday nice
And this is how you did a 9sec pass first pass
5372john one thing I like about Hayden is that he doesn't half ass a single thing.
@@v0idlike Hayden half asses some things, but he always shows us what he half assed months later.
@@jordancochran7979 lol. Right. He's not afraid to admit his mistakes. That's the definition of a man.
Do this work the same with a stock 4 link like what’s in a g body or fox body
Yes just plot the points. Those ones are a triangulated 4 link but it will still work
Good video man!
awsome!!!! all i wanted to know
Great information, but I failed math so I use ladder bars!
And a distributor with points and a carburetor LOL
Holy shit he has a friendly side... kill it dude!!!!
THIS IS WHERE THAT T SHIRT COMES UP IN PLAYS THE SAY......STF N LETS RACE 😂😂😂😂😂
Still no cage.
Tell your friend to get a move on with that duramax build
Very informative
Per Sketchy Da "Sup Fuckers!".
dude, you look way too clean for a car guy.
Just to tell you that graphing calculator will allow fractions.
Yes but for people who dont like numbers or math it is easier to make them into decimals
were you drinking chocolate milk before this video lol
SCREAMING YELLOW GIRAFFE FETUS!
That was really easy
Love the technical stuff. 'Sup fuckers.
Why are you using imperial😅
Yo Haden paint that garage! It's the house it's not going anywhere. And would be the videos that much better. I know its random as hell. Lol
Hayden
At 10:46 shit got real. Algebra lol.
2+2 is 4, minus 1 is 3. Quick maths!
i am confused . where is the "whats up fuckers " boy ?
Please change the front wheels 😁
Instructions unclear. Heim joint is stuck in my ass 😡
Fkn a brother!👍🤙
A^2+B^2=C^2
We already know what your name is.
Stoned?
Camshaft, crankshaft, camshaft, front crank bolt, WTF?
So if anyone doesnt understand or fallow all of this, there are free online calculators. Here is a link to one. Its a site for Foxbodys, but you can just plug in your cars values and presto bango!
www.baselinesuspensions.com/instant-center.php
18:02 bruh what happened
anti squat line....... uhhhh you mean instantaneous center?
roll cage
Bro I love you and everything but I have one question. What is going on with that stash? Are you going for an anti Hitler? Or does your hair just not grow directly below your nose? 🤣🤣🤣
4th
Way too much math my man
First?