Stretching Mickey Thompson Slicks
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- Опубликовано: 10 сен 2020
- T-Shirts Link: www.TurboJohnRacing.com
UPDATE: After 24hours sitting the the trailer at normal racing PSI (10psi), the tire shrunk back down to 88.5".
Putting new shoes on the car for this weekend, and decided to check roll out/circumference of the tires to make sure they were the same diameter. Being that M/T tires are behind and limited on stock available, we got the last two tires in the warehouse. As luck would have it, the numbers were way off from each other so we had to try to stretch the small tire.
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Been running mt for 20 years and never knew that thanks
Great vid today! i wonder how many guys beat their heads against the wall screwing with their chassis setup rather than just measure the tires?
Interesting video. Knew about measuring rollout. But learned something about correcting rollout when mounting new tires. Thank you for this video
Intresting Tj, Can't wait for the next one!!!🤙
That's why I love your channel you teach so much stuff. I'm always learning something new from you and I just think that's so awesome. Be safe God bless.
Putting in work real early this morning!#turbolife # #TurboJohn
When you buy new tires make sure that the mold numbers are the same (match). If not, your rollout will vary for sure.
Never had issues once I started doing that. Also, I ran the same 28x10.5S at 10.5 psi warm. Great results and repeatability.
We did that racing dirt track. Makes a big difference.
Thanks John for educational video Randy sure did
This is such a important video for guys running slicks! Everyone running slicks should watch this video half of the guys running them don't know about this.
Good job
Cool tech Info 😎😎😎
outstanding.
Hey John when putting tubes in tires you may want to air up and let air out 1-3 times to adjust and make sure there are no knots. It's actually a pretty known problem that can cause alot more problems. Just a suggestion.also will throw off size. You have One if the most interesting, entertaining and informational channels around. Great job.
Yes, we did it twice!
@@TurboJohnRacing I kinda figured or was hoping you did but didn't hurt to leave the comment. Love what you do. GO FAST AND GET THEM WIN LIGHTS. 💪🤙🇺🇲🦅🇺🇲🦅
I use Mickey Thompson slicks for 16 years now and I've never measured it never had a problem with it pulling one way or the other it always went straight
Course I am running bigger tires than you I always fill them up to 25 lb and let them sit for 5 minutes and then I aired them down to 7 and 1/2 lb when I run them at
Good video, some things are not so obvious!
We would have this problem with new perelli tires on new dealership cars, you couldnt get the car to go straight, then you swap the tires and the pull changes sides.
We would have to put new tires to fix it
GET THOSE WIN LIGHTS THIS WEEKEND.
We gonna try
After a few passes . Check it again. I'd put the larger one on drivers side the way yer car pulls that way. seems like aways, just saying.
Well I'll be damn old dog still can learn new tricks. THANKS MAN
Y'all might wanna check the stagger across the front as well.
I get about 20 passes out of my 26x8.5x15 they still have decent tread but car won’t 60’ as well then I sell them to a couple of sportsman cars 12.0 index 1/4 and they get season out of what’s left
Curious to see what they are after burnouts and a few 150mph passes you make
Oddly enough they usually stay once and a wile you have to rotate if the car has alot of uneven bite . Just put the one thats a tick longer in the right rear has been my deal ... the first burnout on new slicks is the most important
That had to change after each pass. Have you thought about Measuring before and after pass?
Could be my issue with pulling left after 60ft with a set of hoosiers
Once this set is "done" for you, repeat the air up to a given pressure and measure again. You maybe surprised at the numbers.
👍
Medium prepped tracks on a 275 pro. Turbo fox 1500HP 1/8 mile deal. I run. 1.80 glide with a 3.27 gear. Any improvement to be made going to a 3.55 or 3.73 without it being a wheelie monster?
It depends on the converter. Mine has a 3.90 now and it seems better. But too much starting line ratio will become an issue at some point.
I remember waaaay back 70's. 80's all the Pro Stock guys did this . Bob Gillden said he put 80psi. in them! I'd recommend no one try that.
I bet your tire will change back to where they were before you stretched it. You really need to do a couple heat cycles on the tire to make sure it stay's. I leave tires for days over inflated then drop the tire pressure over the course of the day before a race. I raced Karts for 20 plus years and we stretch and shrink tires all the time to get the stagger set. Front and back tire stagger both will change scaling numbers quite a bit FYI. I'm sure any sprint car guys could really help with Hoosier tires. I dont think i would go 40 psi for days but if your going to run them at 11 psi then go like 20 psi for a day then bring them back to 11 and then check after some time like half a day to make sure there still there. Always wondered if drag racers use tire prep? Good luck!!!
I don't use any prep. Thanks for the info too, good stuff!
At what mph do you reccomend going to a stiff sidewall slick. I've been running the regular 28x10.5 without a tube (even though its reccomended). I switch back and forth between the et slicks and Hoosier qtp dot bias plys. I've noticed both move around a fair amount the last 330.
Everyone around here only runs the stiffs.
@@TurboJohnRacing gotcha, I appreciate the reply. I'm in Virginia but go to tracks in North Carolina sometimes as well. I've noticed that all the quick cars run the stiff sidewall just didn't know if there was point that it became necessary or not.
John, do the classes that are running on the radial prep tracks allow big block turbo combos? Just curious.
yes, no power limits at all. usually just tire and no "full chassis" cars
What would have been the roll out at 10 psi?
Not much difference at all, but I’ll check today
Are u doing brocks event on Saturday
No, I cannot get down the sticky tracks
Great info thanks now i have another thing to do to my car like theres not enough already so thanks john for giving me more shit to do
Really good vid
lol
Tämä on deely jos haluut olla lähellä shawn
Soooo should we air up our slicks by circumstance and not air psi?........😆
What's up with randy's car?
Waiting on the engine builder and rocker arm manufacturer still. Hopefully it will be ready in another week.
@@zachmoore4564 can't wait to see that thing go
@@Stevesbe believe me when I say we are too! It has been too long.
Audio levels are all over the place. Volume up, volume down, volume up, volume down
Sorry, I’m not a pro and I use my iPhone to edit. LOL.
@@TurboJohnRacing love the content 👍 during the low audio level portions you might be covering up the mic with your finger
Why Mickey Thompson bias ply over the Hoosier bias ply
Sidewall of the tire was not stiff enough for the Big power. John
was doing elimination Hits. Didn't like the result, I believe
See his prior videos. He could not get the Hoosiers to hook.
Could not get the Hoosiers to work great, but may try again
Dan Myers I was just curious in my Mickey Thompson’s over Hoosiers
Dan Myers. yes you are right he was on the Hoosier radios but they also make a bias ply. I was just curious and why the Thompson’s over the Hoosiers if it’s a compound or brand preference
Well when you are going that fast tires are everything I spent 2 years fighting Hoosiers I'm smarter now I use mt slicks and change them often
You wanna know why there was only 2 Mickey's in the warehouse? Mickey decided to close their production facility when the whole country started racing due to the election infection. That's a great buisness model. BTW I have had a set on order for 2 months they kept telling me two weeks.