Drag mode vs Sport +

Discussion in 'Dragstrip and Launching' started by Stymee, Nov 4, 2019.

  1. Stymee

    Stymee Well-Known Member

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    I gotta tell u guys, Drag mode to me is violent, I wonder if everyone with a 301a races in drag mode

    The car IMO seems to hit the street tires too hard on the upshift?

    Has anyone raced in sport mode to see if it’s slower on faster?

    I felt like drag mode was causing the tires to break loose on their up shifts

    This was on street tires, I guess on a drag radial it wouldn’t feel this way to me?
     
  2. brucelinc

    brucelinc Well-Known Member

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    As I said in the other thread, I could NOT use drag mode on my street tires. Shifts were too violent and just caused wheel hop. I ran 12.3 in sport+. Once I got the DRs on and eliminated the hop, I ran 11.89 in drag mode.

    Guys with the performance package have the Michelin tires and they hook better. My car had Pirelli Pzero all seasons and they were worthless for drag racing.
     
  3. OP
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    Stymee

    Stymee Well-Known Member

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    Exactly what I experienced
    Thanks
     
  4. jmeiers

    jmeiers Well-Known Member

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    305/45/17 ET Street Rs. Drag Mode / Advanced Trac Off. I launched at 2,000 rpm off the footbrake with only a quick spin of the tires because I messed up the linelock on both of my passes. Still 1.75 60ft both times. 1-2 shift did chirp pretty good but was rock solid upshifts the rest of the way. My car does not hop though. I have BMR cradle lockouts, cradle braces, vertical links, and GForce Renegade halfshafts.
     
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  5. TehEno

    TehEno Well-Known Member

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    Track mode also shifts hard, its a beastly mode but I do enjoy how angry the car is. Launches pretty hard also but it doesnt like slow driving. Sport+ is probably the way to go for daily driving, have you tried track mode?
     
  6. sKyZ

    sKyZ Well-Known Member

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    Had my car out yesterday (2019 GT A10 PP1) at the track. Drag mode, traction control off. Launched around 1k, got a 1.82 sixty foot. Second gear came, the car lost traction during the shift, RPMs got pulled down to 2000, and the car lost all power. Thought I broke an axle, but it was just due to lack of traction on the Michelin tires. I had the PZero's on my 2015 and while the Michelin tires are better, they are not good enough for the violence that drag mode brings.
     
  7. Cardude99

    Cardude99 Well-Known Member

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    Steeda stop the hop kit eliminates the wheel hop. Makes drag mode much more fun and useable
     
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  8. LETHAL

    LETHAL From the D but in the NC

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    Stop wasting time at the track on street tires. :thumbsup:
     
  9. OP
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    Stymee

    Stymee Well-Known Member

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    Drag Radials and VMS coming Monday
     
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  10. LETHAL

    LETHAL From the D but in the NC

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    That was not at you, just in general. I learned this the hard way with my 550's.
     
  11. LSchicago

    LSchicago Well-Known Member

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    My 18 did good in drag mode on P-Zeros. Mine is the unicorn.
     
  12. jmeiers

    jmeiers Well-Known Member

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    Which DRs did you go with? You will love these wheels and they just pop right on and do not require any special spacers or lug nuts, etc., like the Racestar type wheels. However, my 305/45/17 ET Street Rs did slip on the rim about 4-5 inches on both wheels. After my track rental runs next weekend and if my tires keep slipping, I will likely just go with bead lock wheels on the rear over the winter. I'm keeping the VMS fronts though because I am keeping my Brembos forever.
     
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    Stymee

    Stymee Well-Known Member

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    They make a glue to hold the tire in place, I never used it as all my older cars had welds and we just drilled them and screwed the tire to the wheel but i’m it so sure u can do that with a VMS

    I think I may try that glue
     
  14. brucelinc

    brucelinc Well-Known Member

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    My ET street Rs slipped on the rims when I had the pressure low.
     
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    Stymee

    Stymee Well-Known Member

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    Cleaning the bead with brake clean first really helps them bite into the rim, also running a DR super low isn’t recommended, I’d start out high if u have time to make a few passes and sneak up on pressure

    15-22psi should work
     
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