4 Link Setup with Slicks | Drag Racing Suspension Tuning
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- Опубликовано: 10 сен 2024
- My 4 Link Setup with Slicks & Slicks without Squat for Drag Racing suspension tuning on the 48 Ford Coupe.
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Follow along as I show you the exact 4 link plot and shock and coil spring installed heights and more key drag suspension tuning tips to improve 60 foot times.
This video is the second of several showing you how we scale drag cars with custom blocks to allow us to raise the car to a known height to measure all 4 link bolts to the ground (4 link plotting), crank centerline, ride height, pinion angle, shock installed height, coil spring compression and so much more. All numbers revealed! Also, I cover my strategy for how I will launch the car for the first couple of times on the first outing. This is part 2 of the 48 Ford Suspension Tuning Series to show how we get the Blown 48 Ford Coupe to launch and safely get down the track!
Checkered Racing Rear Back half:
checkeredracin...
Rear Shocks and springs:
amzn.to/2HqQUfc
amzn.to/2G3IxFL
Front Shocks/Springs G-Body Type Coilover Spring:
amzn.to/30313oV
Anti Squat 4 Link Plot website:
www.baselinesu...
Get with us to let us help you scale your car and do a complete plot of your car as it is today and then we can discuss what changes, if any, we would recommend.
We also offer online remote services from our website here below:
Samson Performance of Sam's Alignment in North Charleston, SC.
samsonperforma... - This site has our email and suspension tuning PDF.
How to setup double adjustable shocks and springs for drag racing. How to tune rear shocks for drag racing also known as tuning coilovers for drag racing. Drag car alignment is critical as you know for your safety and the safety of the other driver.
Samson Performance of Sam's Alignment in North Charleston, SC.
samsonperforma... - This site has our email for remote suspension services
/ kevinwilsonsbc
/ kevinwilsonsbc
KevinWilsonSBC
kevinwilsonsbc.com
kevinwilsonsbc.com
/ kevinwilsonsbc
Amsoil Products for all your high performance needs:
www.amsoil.com...
#suspension #dragracing #Coilovers #chevy #horsepower #qa1 #kevinwilsonsbc #dragcar #shocks #660 #streetracer #streetrace #1320
See all the 4 Link measurements on the 48 Ford Coupe. Shock installed height, coil spring compression and how all this falls on the Anti Squat line. All measurements disclosed and how to use a great online 4 link calculator is displayed. I discuss the strategy on launching the 48 Ford on our first outing coming up soon!
These videos are great. I appreciate the time you take to explain completely with diagrams and photos. Thank You
I'm building my first race purposed car, and your information is incredibly invaluable. Some people like to hoard knowledge for profit. Thanks for helping out us amateur guys.
Some of us don't know what we don't know and don't ask the right questions. I cant get enough of your video classes.
Wayne Edmondson thanks so much for your comments and encouragement! I look forward to sharing more videos for sure. Go fast, go straight! Be Safe!!
Kevin, I think you are 100 percent correct. Esp being such a high Cam Height. I think its important to point out if someone had a super low cam height, things change a little. I say all the time to the small tire guys I work with/for, if you are running less than 100% A/S, then you are bandaiding another issue....be it chassis, suspension or wtv else. (Tire, power, etc.)
Cpo lt thanks so much for your comments and additional info! Thanks for taking the time to comment. Yeah, the CG of the 48 Ford is high for sure and a lower CG definitely changes things. Go fast, go straight! Be Safe!!
Love your show it sure will twist your brain, with your experience makes me more experienced thank you
Kevin Outstanding!!
This is my 1st time setting up a drag vehicle..
Knowing nothing I’m trying to absorb quickly!
I’m setting up an S10 rear end and just purchased the Calvert racing set up split mono leafs and lower link traction arms!
I’m checking out the videos and trying learn what I can.
Thank you so much for the help
Andy
Andy Jones thanks so much for your comments and support! Calvert racing is top notch and follow their lead on your baseline settings. Definitely, definitely, get the rear double adjustable shocks. The S10's with the Calvert setup and split mono leafs absolutely work! Please stay in touch and keep me posted on your progress. Go fast, go straight! Be Safe!!
Thanks for the new knowledge
Good timing Kevin. Trying to set up the 4-link on my 74 Vette, small tire slick, stick shift car. Ran 2 weeks ago at 145% AS and crushed the tires. Last week I lowered the bottom bar and it figured at 114%, ( just a coincidence we're starting at the same place). The car launched very well, no tire shake, no excessive spin, just about neutral, so I'll be leaving that alone for now. The next step is dialing in the DD401's. I'm along for the ride with you on this one. Unfortunately we only have 5 weeks left up here in New England due to old man winter, but maybe we can get it close by then. Can't wait to see videos of your car on the track. Standing by....
Robert Briggs thanks so much for your comments! Great info and I am glad you took the time to share your experience. Hope to get this one out very soon!! Go fast, go straight! Be Safe!!
You’re black bord is getting better 👍😂 love videos
Fix it Fix it thanks so much for your comments! Go fast, go straight! Be Safe!!
Nice job Kevin. First time with a new combo is both frustrating and exciting. Lots of decisions to make. Lots of gremlins to deal with. All part of why we do this. Gunna be a fun ride. Get it out on the track!!!
Scott Nettell Racing thanks so much for your comments! Go fast, go straight! Be Safe!!
Thanks just got a few runs in this year learning how things work. Thanks for the video
supercharged6771 thanks so much for your comments! Go fast, go straight! Be Safe!!
Thanx for all the info. I'm learning so much.
cooltruckin thanks so much for your comments and glad the videos are helping you! Go fast, go straight! Be Safe!!
First I say thank for all the info. I'm try to help a friend set up his big tire high hp tuck. My question is the wheele danger zone in squat under the cg line?
Would be nice to see a video on adjusting to balance front weights like a heavy left front and a light rt rear wt on scales.
Noted! Go fast, go straight! Be SAFE!
You should make a video on setting up fox chassis cars.
Lonestar Performance Films thanks so much for your comments! I will add that to the list for sure. Go fast, go straight! Be Safe!!
A question about building a chassis and installing the 4 link cross member in the chassis. At a level chassis desired race ready ride height would you have the front bracket bottom bolt hole height the same as the axle bracket bottom bolt hole ? That would have to the bottom bar at level with the ground and chassis when the bottom holes are used. Raising or lowering the coil overs would change the angle a bit.
General Sixty thanks so much for your comments! That is a great starting point. I rarely have the bottom bar going down as you go from rear to front. Go fast, go straight! Be Safe!!
I have a 24" subframe four link 15+ 14 bead locker wheels how far is a safe distance from the slick to the sub frame. .Goodyear drag slicks...I was thinking three inches but can I go closer ? Your help would be appreciated 👍 thanks
There is no hard and fast answer, but generally I try to keep 1" of clearance with the slick at rest. Under load the slick will narrow and grow taller. Go fast, go straight! Be SAFE!
@@KevinWilsonSBC thanks for your help.
I would leave the bottom bar and would move the upper bar up 2 in front and then check my pinion deg and hope I can ice skate all the way down. Also what tire u running ??? Thats a big deal if your on a Goodyear or running M&H or some other type.
paul kendall thanks so much for your comments! I am running a 32 x 14 x 15S MT slick. Go fast, go straight! Be Safe!!
I've ran 103 to 125% for quite awhile on big tire slick. 14.5w with a glide . Inital hook is good. but seems I wants to spin 4to 5ft out when track prep starts goings away.. Do you see the same thing with this? And once you go over 100% antisquat does the adjustment of coil over shocks reverse? IE... more traction on intial hit you adjust rebound to add hit?
Hermann Douglas thanks for commenting. Go to samsonperformance.com and shoot me an email and I will respond. Go fast, go straight!
Hi Kevin, how do I get your opinion on the way my top sportsman car is leaving. I have 4 link wizard and video of the car. It seems to be hopping out of the hole.
I also run a koni yellow electric shock box and may have forgotten which number is tighter on tbe rebound knobs.
Thanks, Chuck
Chuck Tersolo thanks so much for your question! I have not been successful keeping up with high volume of requests for remote help. You can email me as much info as possible from my website at samsonperformance.com and I will do what I can to help as time permits. Go fast, go straight! Be Safe!!
Will the coil overs in the front the rear end effect anything versus being behind the rear end on a 4 link?
bobcats2508 thanks so much for your comments! I believe we talked more over email. In general in front of or behind rear end, same principles apply, but I and most, prefer behind the rear end mount. Go fast, go straight! Be Safe!!
What would you think about hooking up in dirt? I have a tough truck that squats when I mat it. Maybe check out one of my videos?
When you took these measurements did you add drivers weight to the race ready set up
Steve Taylor thanks so much for your comments! Yes... all 270 lbs worth. Got to lose some serious weight!!! Go fast, go straight! Be Safe!!
What’s the compression and rebound you ended up with?
I actually ended up going with Penske 7500 custom valved dbl adjustable coilovers. Checkout ruclips.net/video/JMYHr7l-gsg/видео.html for the info and where the valving ended up. Go fast, go straight! Be SAFE!!
What is the downside of having over 100% AS on a big tire slick car? Wheelies?
I think maybe you can crush too much the sidewall of the slick and have a footprint like a tractor tire
RecklessRegal thanks so much for your question! Too much AS will definitely crush a slick whereas a Radial you are trying to crush. It is a balance for sure. Go fast, go straight! Be Safe!!
I'd take a guess and say potentially crushing the side walls to much, but look forward to Kevins' reply.
@@allanbigham1055 spot on
Dead hook, shake and breakage? In BIG power cars, there is talk of “wheel speed”, controlled spin.
None of this can apply to anyone because of so many different things so you can only use this for your set up and car and not for everyone to follow and or copy because every car is different .
paul kendall thanks so much for your comments! You are absolutely spot on!!! This is me vlogging my 48 Ford Coupe for sure so others can see my line of thought. Go fast, go straight! Be Safe!!