Tapout Tuning

LF4 Performance Tuning Specialists

True Street Rankings

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How to Calculate Quarter Mile Time from Eighth Mile Time

Please email Rankings@TapoutTuning.com with any changes or edits to these rankings.

Also check out our Eighth Mile Rankings, Chassis Dyno Rankings and 60 to 130 MPH Rankings pages

 

Lots of people claim to ‘have a nine second ATS-V’, but the facts tell a different story. The truth is that approximately 0.40% of all ATS-Vs have actual nine second time slips.

 

Overall (LF4 powered ATS-V, CTS V-Sport and CT4-V Blackwing)

  • All power adders and modifications are allowed.
  • All fuels, additives, ethanol blends and methanol injection allowed.
  • Must weigh car with the driver immediately after pass.
  • The official race weight must be 3,950 pounds or higher.

    Lots of people claim to ‘have a ten second full weight ATS-V’, but the facts tell a different story. The truth is that approximately 1.00% of all ATS-Vs have actual ten second time slips, with a verified race weight of 3,950 pounds or higher. Tapout Tunes power 50% of the absolute quickest and fastest full weight ATS-Vs in the quarter mile.
Intake Mods Fuel Mods
IN Intake and/or air filters upgrade OB Octane boost or race fuel mix
TC Turbochargers upgrade EB Ethanol blend fuel > E15
TB Throttle body modification or upgrade MI Methanol injection
IC Intercooler upgrade including interchiller or ice box LP Low pressure fuel system upgrade
HP High pressure fuel pump (HPFP) upgrade
FC Fuel cam upgrade
NO Nitrous oxide injection
FI Fuel injectors upgrade
Ignition Mods Cylinder Head Mods
SP Spark plugs upgrade VS Valve springs upgrade
CH Cylinder heads upgrade
CS Camshaft upgrades
Exhaust Mods Drivetrain Mods
EX Exhaust system modification HS Torque converter upgrade
CL Clutch upgrade
FD Differential upgrade and/or final drive gear ratio change
Suspension Mods Tire Mods
TA Trailing arms upgrade DR Drag radial tires
DS Drag slick tires
FR Front runner tires