Tire Comparisons

Discussion in 'SRT Hellcat Wheels and Tires' started by rayzazoo, Feb 1, 2015.

  1. rayzazoo

    rayzazoo DRIVESRT.COM Gold Supporting Member

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    In addition to the below information, here is a link to a Google Sheets document that can be added, changed, sorted.

    Hellcat & SRT Tire Comparisons

    DOT Drag Radials 101 - What You Need to Know About Drag Radials


    Discussion on the kinds of tires out there.

    For the stock rim:

    3-Season
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 9.4 inch tread width; (Y)-186+mph max speed (Pirelli PZero) - 34lbs tire weight (~$497) (Optional OEM on Hellcat)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.3 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -29lbs tire weight (~$429)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.1 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -30lbs tire weight (~$346)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 9.7 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -31lbs tire weight (~$529)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.2 inch tread width; Y-186mph max speed (Pirelli PZero) - 35lbs tire weight (~$217)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 9.5 inch tread width; Y-186mph max speed (Michelin Latitude Diamaris) - 31.0lbs tire weight (~$391)
    275/40ZR20 with a UTQG rating of 240 AA A(temp) 9.4 inch tread width; Y-186mph max speed (Dunlop SP Sport Maxx TT) - 37.0lbs tire weight (~$198)
    275/40ZR20 with a UTQG rating of 240 AA A(temp) n/a inch tread width, Y-186mph max speed (Toyo Proxes T1 Sport) (~$197)
    275/40ZR20 with a UTQG rating of 280 AA A(temp) 9.4 inch tread width; Y-186mph max speed (Hankook Ventus V12 evo) (~$205)
    275/40ZR20 with a UTQG rating of 280 AA A(temp) n/a inch tread width; Y-186mph max speed (Vredestein SUV Sessanta) (~$206)
    275/40ZR20 with a UTQG rating of 300 AA A(temp) 9.7 inch tread width; Y-186mph max speed (Pirelli PZero Rosso) (~$350)
    275/40ZR20 with a UTQG rating of 300 AA A(temp) n/a inch tread width; Y-186mph max speed (Vredestein Vorti) (~$293)
    275/40ZR20 with a UTQG rating of 300 AA A(temp) 9.92 inch tread width; Y-186mph max speed (Cooper Zeon RS3-S)
    275/40ZR20 with a UTQG rating of 300 AA A(temp) 9.9 inch tread width; Y-186mph max speed (MT Street Comps)
    275/40ZR20 with a UTQG rating of 330 AA A(temp) 9.6 inch tread width; Y-186mph max speed (Continental ExtremeContact DW) - 30.0lbs tire weight
    275/40ZR20 with a UTQG rating of 140 AA A(temp) 10.79 inch tread width; W-168mph max speed (Nitto NT05)
    275/40ZR20 with a UTQG rating of 200 AA A(temp) n/a inch tread width; W-168mph max speed (BFGoodrich g-Force Rival)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.94 inch tread width; W-168mph max speed (Nitto Invo)
    275/40ZR20 with a UTQG rating of 330 AA A(temp) 10.1 inch tread width; W-168mph max speed (BFGoodrich g-Force Sport Comp-2) - 33.0lbs tire weight
    275/40ZR20 with a UTQG rating of 400 AA A(temp) 9.7 inch tread width; W-168mph max speed (Yokohama ADVAN S.4) - 33.0lbs tire weight
    275/40ZR20 with a UTQG rating of 320 A A(temp) n/a inch tread width; W-168mph max speed (Firehawk Wideoval Indy 500) - 33.0lbs tire weight

    All-Season
    275/40ZR20 with a UTQG rating of 400 AA A(temp) 9.0 inch tread width; (Y)-186+mph max speed (Pirelli PZero Nero) - 35lbs tire weight (Stock OEM on Hellcat)
    275/40ZR20 with a UTQG rating of 500 AA A(temp) 9.4 inch tread width; W-168mph max speed (Bridgestone Dueler H/P Sport AS) - 34lbs tire weight
    275/40ZR20 with a UTQG rating of 500 AA A(temp) 8.9 inch tread width; W-168mph max speed (Pirelli PZero All Season Plus) - 31lbs tire weight
    275/40ZR20 with a UTQG rating of 540 A A(temp) 10.83 inch tread width; Y-186mph max speed (Nitto Motivo All-Season) - 33.29lbs tire weight
    275/40ZR20 with a UTQG rating of 560 A A(temp) n/a inch tread width; Y-186mph max speed (Toyo Proxes 4 Plus) - 33.0lbs tire weight
    275/40ZR20 with a UTQG rating of 540 A A(temp) 9.0 inch tread width; W-168mph max speed (Continental ExtremeContact DWS) - 32.0lbs tire weight
    275/40ZR20 with a UTQG rating of 400 A A(temp) n/a inch tread width; W-168mph max speed (Firehawk Wideoval All Season) - 36.0lbs tire weight
    275/40ZR20 with a UTQG rating of 560 A A(temp) n/a inch tread width; W-168mph max speed (Goodeyear Eagle Sport All-Season) - 33.0lbs tire weight

    Winter Tires
    275/40R20 with a UTQG rating of none 9.6 inch tread width; T-118mph max speed (Yokohoma iceGuard iG51V) - 33.0lbs tire weight

    Drag Radials
    275/40ZR20 with a UTQG rating of 100 A A(temp) n/a inch tread width; V-149mph max speed (Nitto 555R)



    ALTERNATIVE SIZES:
    275/45ZR20 with a UTQG rating of 220 AA A(temp) n/a inch tread width; (Y)-186+mph max speed (Michelin Pilot Sport PS2)

    For rims between 10-12 inch; recommended 11 inch.

    3-season
    305/35ZR20 with a UTQG rating of 220 AA A(temp) n/a inch tread width; (Y)-186+mph max speed (Michelin Pilot Sport PS2)
    305/35ZR20 with a UTQG rating of 300 AA A(temp) 10.94 inch tread width; Y-186mph max speed (Cooper Zeon RS3-S)
    305/35ZR20 with a UTQG rating of 300 AA A(temp) 10.6 inch tread width; Y-186mph max speed (MT Street Comps)

    Drag Radials
    305/35ZR20 with a UTQG rating of 100 A A(temp) 12.17 inch tread width; V-149mph max speed (Nitto 555R) - 5/32 tread depth
    305/35ZR20 R2 compound; 10.40 inch tread width (MT ET Street Radial)
     
    Last edited: May 12, 2016
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  2. Puffy

    Puffy Gold Member

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    Switching to the Continental DWS. I'm going to slightly stagger the setup, putting 295/40/20s on the rears. Gives me one more inch over the the 275s. The difference is only a bigger diameter by .6in. I can live with that.

    When I get my 20x10s I'm going with a 315/35 setup.
     
  3. Puffy

    Puffy Gold Member

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    By the way, this is great info. I forgot about some Of these brands. Hell, I'm running Toyos on my Mustang and forgot all about them. Thanks.
     
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  4. solo7777

    solo7777 SRT Terminator Hellcat Car Club Western Regional President HCC Charter Member

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    Rayzazoo:
    What will the differences in tire weight and tread width do? Which is better for street driving, heavier or lighter? Thanks.

    3-Season
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 9.4 inch tread width; (Y)-186+mph max speed (Pirelli PZero) - 34lbs tire weight
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 9.7 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -31lbs tire weight
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.1 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -30lbs tire weight
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.3 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -29lbs tire weight
     
  5. Ricci Cavallaro

    Ricci Cavallaro
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    Fastest Stock Cat

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    What wheel did you find at 20X10" and where did you order from, if you don't mind me asking? I can't find anything in stock that fits our 5X115 with the proper offset...
     
  6. B5 Blue

    B5 Blue Platinum Member

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    Thanx Ray
     
  7. Puffy

    Puffy Gold Member

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    I was on ebay looking at Hellcat replica wheels. They haven't come out with the 20x10s yet but the post said soon.
     
  8. Puffy

    Puffy Gold Member

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    I sent a message to the seller asking about a release date for the 20x10s. I will post here when they have a release date.
     
    Last edited: Feb 5, 2015
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  9. The Max

    The Max Gold Member

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    Absolutely awesome information. Thanks alot. Because I live in N.J. I broke down this year and bought Michelin Pilot AS/3 245/405/20 which have been the best all season tires I have ever used. Just wish they would make them in a 275 variant. BTW ordered summer tires for my Hellcat

    Doesn't the outside diameter affect the computer the most, if different than original and therefore maybe detrimentally affect performance?
     
  10. Ricci Cavallaro

    Ricci Cavallaro
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    Well, the diameter or roll out will effect your rpm in each gear related to speed. But may our may not effect your times. Like changing gears. If you have enough power and gears you should be fine, which you do. If you go too big on the roll out then it could slow you down a bit. Speedometer would be most effected. Would not effect the tune per say.
     
  11. Harley88

    Harley88 Gold Member

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    I just don't get it. I know I'm ganna get told "o there's a thread on that". I think I've read 'em. And it's not click in' ..
    I don't understand tire sizes and offsets and 20" vs others. I thought it was how wide the tire surface is on ground. ?.?
    Is there a dumb down tire lesson anywhere? Help a brother out ya'all.
    ie 245/405/20 20 is size? 405? 245? OMAHA!
     
  12. Cruisin1966

    Cruisin1966 Silver Member

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    275/40R20

    First number is the width of the tire from sidewall to sidewall in millimeters (25.4 mm per inch). 275/25.4 = 10.8"
    Second number is a percentage of the width which defined the hight of the sidewall (10.8" x 0.40 = 4.32")
    Third number is the diameter of the tire. 20"
     
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  13. rayzazoo

    rayzazoo DRIVESRT.COM Gold Supporting Member

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    It's a balancing act based upon the vehicle.

    Lighter wheel+tire weight will be better for cornering performance (handling, suspension, braking).
    Larger tire contact patch width adds to aero drag at higher speeds but can also improve tire tread contact over not so ideal road surfaces.


    It would be interesting to see tests conducted but I think there is a reason why the stock tires are heavier and have a narrow tread width compared to the rest of the Pirellis.

    Comparatively by tire weight:
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.3 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -29lbs tire weight (~$429)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.1 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -30lbs tire weight (~$346)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 9.7 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -31lbs tire weight (~$529)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 9.4 inch tread width; (Y)-186+mph max speed (Pirelli PZero) - 34lbs tire weight (~$497) (Optional OEM on Hellcat)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.2 inch tread width; Y-186mph max speed (Pirelli PZero) - 35lbs tire weight (~$217)

    It appears that heavier tire and larger tread width limits the tire max top speed (10.2 x 35lbs), however, larger tread and lighter tire increases tire max top speed (10.3 x 29lbs)

    Comparatively by tire tread width:
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.3 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -29lbs tire weight (~$429)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.2 inch tread width; Y-186mph max speed (Pirelli PZero) - 35lbs tire weight (~$217)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 10.1 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -30lbs tire weight (~$346)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 9.7 inch tead width; (Y)-186+mph max speed (Pirelli PZero) -31lbs tire weight (~$529)
    275/40ZR20 with a UTQG rating of 220 AA A(temp) 9.4 inch tread width; (Y)-186+mph max speed (Pirelli PZero) - 34lbs tire weight (~$497) (Optional OEM on Hellcat)
    275/40ZR20 with a UTQG rating of 400 AA A(temp) 9.0 inch tread width; (Y)-186+mph max speed (Pirelli PZero Nero) - 35lbs tire weight (Stock OEM on Hellcat)

    Less tread width but heavier weight (Stock and Optional) has a higher tire max speed than a wider width and heavier tire (10.2 x 35lbs).

    I think, unless you plan to go above 186mph, a wider and less weight tire is the way to go to improve suspension, braking and corning.
     
    Last edited: Feb 7, 2015
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  14. VanishingPoint

    VanishingPoint Silver Member

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    *Educated guess*
    The additional weight simply could be a stronger tire carcass (extra belts & rubber to handle the massive loads of HP/TQ, high weight, and factory high speeds).

    FWIH (from what I heard), Dodge had their eye on top speed, and as a result, tire construction had a factor in it-hence the matchbook sized tires. I think they have gone about it all wrong though, with this much power and this little tire for a top speed almost all will never see.

    Getting a vehicle to break the 200 mph mark safely is serious business though, when some aerodynamic nuisance at 70 mph becomes a parachute above 150+
     
  15. SRT_HC_707

    SRT_HC_707 SRT_HC_707 Staff Member

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    When the time comes for me to replace tires (no idea why I'm even thinking about this since I don't even have a VIN yet) I may just try the Coopers RS3-S since I had them in past and liked them. From the research above I can go stock size all around or stock front and 305 rear. I looked up the stock size online and they were $168 each. That's a bargain and if you research the tire they are very good (my experience was positive with them too).
     

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