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The Best Suspension setup for Drag Racing and Roll Racing
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- Опубликовано: 20 дек 2022
- My recommendations on how to set up your car for straight line racing
If you care more about handling, check this video out:
• How to setup your BMW ...
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Most American video ever.
🦅
Good stuff...glad i watched this vlog before i even try to change my 2019 440i stock suspension
Informative as always Kern. Not relavant to myself as I'm a twisty road guy, but, it's nice to understand the fundamentals of grip. I'm struggling a little due to how greasy the roads currently are, here in the UK. What should I expect, I'm trying to drop over 500NM through summer tyres in the winter😜🤣
Agreed - I like curves.
Kern I’m literally facing traction issue now. I’m going with a drag pack in the rear, vms 17’s on Mickey Thomson tires. I’m going to take a look at the suspension next to dial it in. Another helpful vid thank you!
I 60 ft 1:3 stock suspension
I had 0.8 on 245s ( re71r) went with 275s and had to camber to clearance on squad 1.45 ( ps4s).
I had more grip on the 245s
Bigger not always better
Next set up will be some 200tw again but with 265s so I can adjust camber to around 1.
Yep has to be a good balance but better tire compound (re71) will beat a wider street tire (ps4s) in most cases.
@@kern417 facts , only reason I didn't got them was due to be discontinued to the new re71rs and was barely any in stock , I manage to find a set but got a email from them saying the dot was 2017 and if I still want them .... I said no thank you. Once this ones go I will get the new ones. I really like them , super safe at high speeds, decent In wet with no issues plus their big advantage is they don't need much heat. I have done 1.59 60f with them on the street , 1.6s was easy now I struggle to her a 1.8 or less , car makes more power than before so that is not helping either.
Probable the compound of the tire, side wall height is important as well
Hey kern, i have a stage 3 lpfp, it came with a hobb switch but I also have reflex plus, is it better to connect it to the reflex or the hobb switch for control?
Reflex but you can go hobbs with no problems
Yep both work but i recommend reflex
I would never get harder subframe bushings without matching the diff bushings to the same hardness.
That's your choice. Doesn't make a difference.
Need a video for a track set up
0:17
No one runs 26s in the rear of the Supra. Everyone runs 28s and 28s fit with lowering springs also.
Ive seen too many people have rubbing issues to recommend that. Or the people that i know with springs had to make adjustments like camber, skinnier wheel, et
Hello!
Been watching your videos for a while now.. thanks for sharing all your knowledge!
Meanwhile..i have 1 question of course😂
I still dont believe those numbers people are pulling..
I have mild hybrid 540xi 2020
My car has 333 hp, i guess thats at the crank? I am aiming at 450.
Do you think i will get that with downpipe, OPF remove and stage 2 from Bootmod3?
Thanks…
Stage 2+ should get you there
@@kern417 i guess thats around 400hp at the wheels? And what do you think would be neccesary for 500hp at the Crank? Since i already have HPFP tu in b58C
@@testosteron4399 if you trust the stock bhp numbers then a tu pump and ethanol mix will get you around there
Your explanation of what causes we’ll hop in these well at least the supra is not correct exactly it has a lot to do with how you are driving it particularly when you know it’s loose And for a fact sport suspension setting in the stock suspension is not where you get 1.3 reliably without we’ll hop and crazy shit with that stiff ass setting
Wheel hop is caused by drivetrain. I'm not sure you understand what wheel hop is.
I have to comment again for the fun of it I go 1.3 to the 60 foot on a full weight car stock front tires and wheels with a drag pack you don’t need to worry about anything in your differential unless you start getting into the nines and then not a bad idea to run red line shockproof gear lube: any idiot can blow the tires off a car if they don’t know how to drive many of these ideas people are going for are for power levels beyond where they are ever going to be and faster guys keep saying hey man look what I’m doing and then we get into these long ass conversations about all this other dumb shit it’s not hard to run way down into the nines without doing anything to your suspension whatsoever other than setting the suspension on comfort along with the steering so your minor adjustments don’t get bigger and cause problems put the car in sport footbrake that converter up to 4000 while you’re in second gear and let it go
Zero tow is terrible for driving at the dragstrip just saying none of us are running that especially pulling weight off the front end End I’ve been running that alignment for well over 10,000 miles there is no tire where difference but the stock alignment was damn near zero maybe 1° toe out it was horrible And listen I’m just a pure 800 car running 9.5 quarter miles with 1.360 foots and about 150 passes with this power in this car what the hell do I know right
The stock alignment does not have toe out. Not sure where you're going or if you understand toe.
Would an LSD help with putting power down/grip?
10:49
You don’t want weight transfer.
Weight transfer = suspension is buckling and squatting uncontrollably. As the suspension gets compressed, camber and toe angles go out of whack in the wrong direction that you would want them to.
Ideally you want the rear of the car to come up when launching. That in turn, means the suspension is pushing down into the pavement and the rear of the car goes up.
There aren’t many drag racing oriented suspension options for bmws and supras. The stock suspension should work better than most coilovers and spring/shock or strut setups on the market as direct drop ins.
ruclips.net/video/2eZ_AEz4j0c/видео.html
QA1 showing you want the tire to hit the ground instead of weight transfer (compressing).
@@sunbish don't think you fully understand that. Raising the rear suspension is a cheat for higher hp cars. You don't need that on a 500hp b58 to get down the track. Weight transfer does not mean the car is bouncing. It means that you're loading the tires effectively, i.e. the same goal as what you're linking.
@@kern417 bouncing? Raising the rear end? I never mentioned any of that, and how is that a cheat? Who said anything about a 500hp bmw?
Lol, you’ve completely gone sideways on all those statements. I don’t think you understood any of what I was getting at or the QA1 video.
@@sunbish you said
"Weight transfer = suspension is buckling and squatting uncontrollably." Aka bouncing
You said "Ideally you want the rear of the car to come up when launching. That in turn, means the suspension is pushing down into the pavement and the rear of the car goes up." Aka raising the rear.
Like I said in the video, weight transfer optimizes traction to apply weight to the rear wheels.
You said reference this QA1 video demonstrating suspension for promods. My video is catered to my viewers with streetcars, aka 500hp BMWs.
Now "cheat" probably wasn't the best word. Replace it with "trick" i.e. unconventional.
Instead of what you referenced, check this video on the Dodge Demon suspension. Much better representation for what most people should target.
jalopnik.com/the-dodge-challenger-srt-demon-is-built-for-absolute-do-1792669367