305/35/20 mickey thompson TPMS problems
Thread Starter
8th Gear
Joined: Feb 2016
Posts: 8
Likes: 0
305/35/20 mickey thompson TPMS problems
Hi,
I'm new to this forum in my country i dont think ill find an answer for this��.
I bought 305/35/20 mt for the rears and after i get them on the car felt unstable after that i talked to my buddy from the us and he says with that tire i should fill 22 psi and that what i have done
The problem is that it makes the tpms messege "tire pressure too low"
I tried to change that with my autel ms908
And the lowest psi i can adjust the sensors is 25 psi
What do you think is the correct tire pressur for street?
Thank you and sorry for my english.
I'm new to this forum in my country i dont think ill find an answer for this��.
I bought 305/35/20 mt for the rears and after i get them on the car felt unstable after that i talked to my buddy from the us and he says with that tire i should fill 22 psi and that what i have done
The problem is that it makes the tpms messege "tire pressure too low"
I tried to change that with my autel ms908
And the lowest psi i can adjust the sensors is 25 psi
What do you think is the correct tire pressur for street?
Thank you and sorry for my english.
Last edited by vettes garage; Feb 9, 2016 at 09:38 AM.
Team Owner
Joined: Jan 2007
Posts: 29,063
Likes: 1,839
From: cookeville tennessee
ttt
With you running that low of pressure you will wear out the tires super fast. That tire has a softer side wall is the place that you are getting the feel you are talking about.
That feel is coming from the road that is unlevel and having dips and waves in it. You will have to life with it are chg out the rear tires.
But you need to put as much air in it to get the sensors to go off for you. Robert
That feel is coming from the road that is unlevel and having dips and waves in it. You will have to life with it are chg out the rear tires.
But you need to put as much air in it to get the sensors to go off for you. Robert
Team Owner
Joined: Jan 2007
Posts: 29,063
Likes: 1,839
From: cookeville tennessee
I even went in my z51 car from a 20 inch to a 19 inch rim to get a better rear tire on it.
I went with a R888 305 30 19 on the rear. At full aired up with my tires no crazy stuff on the street even at 140 plus mph.
Burning Brakes
Joined: Oct 2009
Posts: 1,004
Likes: 68
From: Cincinnati OH
What type of pressure are you running in those on the street and track?
Team Owner
Joined: Jan 2007
Posts: 29,063
Likes: 1,839
From: cookeville tennessee
Seen even 18 psi in mine on the track. But was running a 15 inch rim with a M&H DR in a c5 auto car still was DOT.Now if the OP wants to talk about the car going from side to side in the rear on the street it was really bad if you got over 90 mph on any type of bad road on the street.
Last edited by robert miller; Feb 9, 2016 at 03:44 PM.
Thread Starter
8th Gear
Joined: Feb 2016
Posts: 8
Likes: 0
thank you for all,
The car have procharge and methanol,
Running about 700rwhp.
unfortunately i think the problem is the wheel height, its taller about 4cm.
now i fill it with 30 psi
And the tpms is fine but i get messege says "service rear axle" "stabilitrak"
And abs,esp,brake indicators are on too.
When i plugged autel maxisys all faults says "electronic brake control modul invalid data"
And "rear drive clutch configuration not programmed" .
anybody know what is the problem?
it will be disapointing if that size cant be fitted on c7.
The car have procharge and methanol,
Running about 700rwhp.
unfortunately i think the problem is the wheel height, its taller about 4cm.
now i fill it with 30 psi
And the tpms is fine but i get messege says "service rear axle" "stabilitrak"
And abs,esp,brake indicators are on too.
When i plugged autel maxisys all faults says "electronic brake control modul invalid data"
And "rear drive clutch configuration not programmed" .
anybody know what is the problem?
it will be disapointing if that size cant be fitted on c7.
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Race Director
Joined: Jul 2007
Posts: 10,961
Likes: 2,643
From: Texas Hill Country
which is why i said to adjust the revs/mile in the tune with non-stock diameter tires so the TC system doesn't see it as a problem.
305/35/20 are 28.4 inch tires, very tall.....
710 rev/mile vs the stock tires at 754 rev/mile, that's 44 more revolutions per mile which is a pretty good amount....they are 1.4 inches taller than stock.
do you have a lot of HP? why do you need such a tall tire? if you are under maybe 650 rwhp they will probably do more to slow you down....
305/35/20 are 28.4 inch tires, very tall.....
710 rev/mile vs the stock tires at 754 rev/mile, that's 44 more revolutions per mile which is a pretty good amount....they are 1.4 inches taller than stock.
do you have a lot of HP? why do you need such a tall tire? if you are under maybe 650 rwhp they will probably do more to slow you down....
Last edited by Higgs Boson; Feb 10, 2016 at 10:16 AM.
Burning Brakes
Joined: Oct 2009
Posts: 1,004
Likes: 68
From: Cincinnati OH
Race Director
Joined: Jul 2007
Posts: 10,961
Likes: 2,643
From: Texas Hill Country
Personally, I would not go over 27" tall tire, especially if you have lowered the car at all as it could rub on the passenger side fender liner bulge that houses the evap canister (in front of the rear tire).
If you are stock height or raised up then I guess you could be ok, but you would have to shoot me before I ever raised a car, lol.
Drifting
Joined: Oct 2013
Posts: 1,746
Likes: 1,300
From: Fort McMurray Alberta
2018 C7 of Year Finalist
I am weird so I always update it but there is a small range where it isn't necessary...stay around 27" tall and you are good to go.... down to 26.5 I would update it or the computer might think it is wheelspin and over 27.3-27.5 I would update it or the computer will get confused like the OP's.
Personally, I would not go over 27" tall tire, especially if you have lowered the car at all as it could rub on the passenger side fender liner bulge that houses the evap canister (in front of the rear tire).
If you are stock height or raised up then I guess you could be ok, but you would have to shoot me before I ever raised a car, lol.
Personally, I would not go over 27" tall tire, especially if you have lowered the car at all as it could rub on the passenger side fender liner bulge that houses the evap canister (in front of the rear tire).
If you are stock height or raised up then I guess you could be ok, but you would have to shoot me before I ever raised a car, lol.
Can this be done easily at a dealer? My new tires will be 27.8" in diameter which sounds like you recommend updating the tune. My tuner however is in another city, is this something thats going to make the computer bring up errors if I don't get it fixed right away?
Thread Starter
8th Gear
Joined: Feb 2016
Posts: 8
Likes: 0
which is why i said to adjust the revs/mile in the tune with non-stock diameter tires so the TC system doesn't see it as a problem.
305/35/20 are 28.4 inch tires, very tall.....
710 rev/mile vs the stock tires at 754 rev/mile, that's 44 more revolutions per mile which is a pretty good amount....they are 1.4 inches taller than stock.
do you have a lot of HP? why do you need such a tall tire? if you are under maybe 650 rwhp they will probably do more to slow you down....
305/35/20 are 28.4 inch tires, very tall.....
710 rev/mile vs the stock tires at 754 rev/mile, that's 44 more revolutions per mile which is a pretty good amount....they are 1.4 inches taller than stock.
do you have a lot of HP? why do you need such a tall tire? if you are under maybe 650 rwhp they will probably do more to slow you down....
Look up i said the car have 700 whp.
Come on i never heard of someone who raised up his vette and if he is hes got to be retard or something like that.
Someone familiar with this problem?
I will go to the tuner just next week,
I cant do anything at standart shop to solve this?
again my shop have the maxisys but i dont know if it can do something with that.
Dealer isnt an option here ,
the car is import and here imported cars like vettes has got no dealers because the official dealer bring just the camaro and not the vette.
Last edited by vettes garage; Feb 10, 2016 at 11:19 AM.
Race Director
Joined: Jul 2007
Posts: 10,961
Likes: 2,643
From: Texas Hill Country
Ok,
Look up i said the car have 700 whp.
Come on i never heard of someone who raised up his vette and if he is hes got to be retard or something like that.
Someone familiar with this problem?
I will go to the tuner just next week,
I cant do anything at standart shop to solve this?
again my shop have the maxisys but i dont know if it can do something with that.
Dealer isnt an option here ,
the car is import and here imported cars like vettes has got no dealers because the official dealer bring just the camaro and not the vette.
Look up i said the car have 700 whp.
Come on i never heard of someone who raised up his vette and if he is hes got to be retard or something like that.
Someone familiar with this problem?
I will go to the tuner just next week,
I cant do anything at standart shop to solve this?
again my shop have the maxisys but i dont know if it can do something with that.
Dealer isnt an option here ,
the car is import and here imported cars like vettes has got no dealers because the official dealer bring just the camaro and not the vette.
I guess english isn't the primary language in your country so I am willing to disregard this post. I hope everything works out for you.
Thread Starter
8th Gear
Joined: Feb 2016
Posts: 8
Likes: 0
But it doesn't mean you need to disrigard my post i understand what you said but you giving me no answer just saying what i said earlier in different words.
I know the tire is taller 1.4 inch its like 4 cm.
Here in israel we have only one gm dealer which called "umi"
They dont import vettes at all that car is personal imported.
The dealer dosent want even look at the car, so im in a pita!!
I'm asking again can my shop do something with autel maxisys to reprogramming the revs/mile?
Thank you very much.
Race Director
Joined: Jul 2007
Posts: 10,961
Likes: 2,643
From: Texas Hill Country
You are right English isn't the primary language here i'm from israel.
But it doesn't mean you need to disrigard my post i understand what you said but you giving me no answer just saying what i said earlier in different words.
I know the tire is taller 1.4 inch its like 4 cm.
Here in israel we have only one gm dealer which called "umi"
They dont import vettes at all that car is personal imported.
The dealer dosent want even look at the car, so im in a pita!!
I'm asking again can my shop do something with autel maxisys to reprogramming the revs/mile?
Thank you very much.
But it doesn't mean you need to disrigard my post i understand what you said but you giving me no answer just saying what i said earlier in different words.
I know the tire is taller 1.4 inch its like 4 cm.
Here in israel we have only one gm dealer which called "umi"
They dont import vettes at all that car is personal imported.
The dealer dosent want even look at the car, so im in a pita!!
I'm asking again can my shop do something with autel maxisys to reprogramming the revs/mile?
Thank you very much.
If you are looking for a recommendation on how to adjust the calibration then I suggest you look into learning to tune your own car with HPTuners or EFILive or the like. If you don't want to get that extensive then I am sure you can find simpler devices that just recalibrate for gear and tire changes.
My apologies, I thought you were asking why you were experiencing something, I didn't know you wanted a lesson on how to fix it and for me to check Yelp Israel as well for you.
I hope you get it fixed!
Thread Starter
8th Gear
Joined: Feb 2016
Posts: 8
Likes: 0
I didn't disregard your post, I made a recommendation on how to fix it. I have no idea what Autel Maxisys is or what the capabilities of anyone or any business is in another city much less another country.
If you are looking for a recommendation on how to adjust the calibration then I suggest you look into learning to tune your own car with HPTuners or EFILive or the like. If you don't want to get that extensive then I am sure you can find simpler devices that just recalibrate for gear and tire changes.
My apologies, I thought you were asking why you were experiencing something, I didn't know you wanted a lesson on how to fix it and for me to check Yelp Israel as well for you.
I hope you get it fixed!
If you are looking for a recommendation on how to adjust the calibration then I suggest you look into learning to tune your own car with HPTuners or EFILive or the like. If you don't want to get that extensive then I am sure you can find simpler devices that just recalibrate for gear and tire changes.
My apologies, I thought you were asking why you were experiencing something, I didn't know you wanted a lesson on how to fix it and for me to check Yelp Israel as well for you.
I hope you get it fixed!
Thats make me crazy .
I guess ill have to buy the hp tuners.
But still i think its shouldnt be that complicated to change tire size.
No one here running 305/35/20 on rears?
Drifting
Joined: Oct 2013
Posts: 1,746
Likes: 1,300
From: Fort McMurray Alberta
2018 C7 of Year Finalist
35 thickness on a 20" tire makes the tire too tall so it's not a common or recommended set-up. 305/35/19 is the proper way to go.