TPMS ??

Discussion in 'SRT Hellcat Wheels and Tires' started by Jungle Jim, Jun 12, 2016.

  1. Jungle Jim

    Jungle Jim Gold Member Hellcat Car Club HCC Charter Member

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    Question for tire god or anyone else that has the answer.
    What is the hi/lo range of tpms? Reason for my question has to do with DR's. Is there any reason why I can't use the tpms with them? Will the tpms read low enough to show on the screen (ie 17-18 psi)?
     
  2. Tire God 2.0

    Tire God 2.0 Senior Hellcat Member

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    They will read from 0 psi to probably 60 or more. There is no issue running them with DR.
     
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  3. Jungle Jim

    Jungle Jim Gold Member Hellcat Car Club HCC Charter Member

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    Thank you for quick answer......
     
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  4. TNCHARGER

    TNCHARGER SRT Hellcat Supporter Gold Supporting Member

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    The only issue with a DR will be at the track. When you lower the PSI below the threshold (not sure maybe 30LBs?) you will get an alert tire pressure is low. Not sure how the HC does the alert but my 2013 SRT would ding and flash a warning in the EVIC. Very annoying when trying to concentrate on the tree. I had my tuner turn them off.
     
  5. Tire God 2.0

    Tire God 2.0 Senior Hellcat Member

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    Yes very annoying. Alot of people just don't run sensors in their race setups and have a tuner of some sort to temporarily disable the tpms warnings while racing.
     
  6. MABBRYFL30

    MABBRYFL30 NYS President Hellcat Car Club Gold Supporting Member

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    Amen tire God. Keep on keeping on

    We need good knowledge and advice.
     
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  7. Linda's Hell Cat

    Linda's Hell Cat
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    I think it will just read low. No dinging or bell going off.
    I actually don't use the dash and I think its not accurate anyway. We measure tire pressure before each 1/4 mile drag.

    Linda :)
     
  8. TNCHARGER

    TNCHARGER SRT Hellcat Supporter Gold Supporting Member

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    Linda AJ may have turned your sensors off? MY 2013 SRT gave me no choice about the warnings...it just kept flashing and dinging regardless of the settings until AJ switched them off in the tune...interested in this because I will be taking my cat to the track in a couple weeks with 18" DAs and no sensors..
     
  9. dragrcr

    dragrcr Gold Member

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    I ALWAYS run TPMS in my Drag radials. I use a Schrader 28291 and they work very well. They are even relatively accurate at low pressures such as 13-14 psi.

    The light in the dash is a zero issue for me. It also will sometimes say to service the TPMS system when you start then car but then it goes to the pressure display. Not really an issue unless for some reason you cannot stop dwelling on it. After all, YOU are the one who let the air out. Right?

    After racing I pump my tires back up to 32 PSI and the second I start the car the warning light is already off.

    So, lets review.....I can see if I get a flat on the way to or from the track, and if I should happen to look down and see 9 and 14 psi on the display for the back tires, then I would know I am getting a flat at the track. Why would you not want this?

    Also, the OEM ones do read up above 50 psi and that seems accurate as well in my experience. Many cars including mine are delivered with high shipping pressure still in the tires due to lack of PDI.
     
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  10. dragrcr

    dragrcr Gold Member

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    PS: The light will come on at 27-28 psi and it needs to exceed 30 to reset.

    .
     
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  11. Tire God 2.0

    Tire God 2.0 Senior Hellcat Member

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    Nothing wrong with running sensors. Just extra weight :p
     

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