DMS TIME TRIALS
2026 Classing & Rules
At DMS Time Trials, we keep competition fair, fun, and easy to understand.
Cars are classed first by Weight-to-Horsepower ratio (WT:HP), then adjusted by a modification points system based on performance upgrades.
Class Breakdown
WT:HP is based on factory listed curb weight & the Factory Listed Horsepower of the engine.
Class
Daily
Sport
R-Spec
Outlaw
WT : HP
14.5+
11.5 - 14.49
9 - 11.49
<9
Base models
Sport trims
Hot hatches
Track cars
Modification Points
Each mod category adds points to your build. Your total points determine whether you stay in your class or bump up.
Catagory
Mild Engine Mods
Moderate Engine Mods
Major Power Adders
Suspension
Track Aero
Weight Reduction
Super 200/100 TW Tires
Extra Wide Tires
Description
Tune, header, Intake
Head swap, Cams, Down pipe
Added FI, Upgraded Turbo
Coil overs or two suspension mods
Large wing or splitter
Gutted interior
RE71RS, V730, RT660, SC3
+40mm over OE
Points
+1
+2
+2
+1
+2
+1
+2
+1
Notes
-
Only add a category point once.
-
Cat-back exhaust systems don’t count.
-
Using just one suspension part, like lowering springs, sway bars, shocks, or camber bolts, doesn’t count as a suspension mod, but having two or more does.
Class Points Allowance
4 points or more = Bump up 1 Class
8 points or more = Bump up 2 Classes
How To Find Your Class
-
Find your car’s factory curb weight in pounds
-
Find your engine's factory horsepower rating
-
Divide weight by HP to get the WT:HP ratio.
-
Find your base class
-
Add points based on modifications
-
Apply any bump rules
-
Maximum Class is Outlaw
Examples:
-
2018 Civic Si on RE71RS with swaybars
-
205 HP / 2910 lb = 14.2 (Sport Clas)
-
Super 200 tires = +2 point
-
Swaybars alone = +0 points
-
2 points total = Stays in Sport
-
-
2018 Civic Si on RS4's with Coilovers, Tune & Down pipe
-
205 / 2910 = 14.2 (Sport Class)
-
Coilovers = +1 point
-
Tune = +1 points
-
Down pipe = +2 points
-
RS4's = +0 Points
-
4 points total = Bumps to R-Spec
-
-
1992 Miata on 245 AR1's, Coil overs, Big Wing/Splitter, Tune, Header & Head VVT Head Swap
-
116 / 2264 = 19.5 (Daily Class)
-
Super 200/100 Tires = +2
-
Coilovers = +1
-
Track Aero = +2
-
Header & Tune = +1
-
Head Swap = +2
-
Extra Wide Tires = +1
-
9 points total = Bumps to R-Spec
-
Championship
The series features 9 events: 6 Autocross, 2 Track Sprints, and 1 Final Combined Event. Drivers’ best 6 events plus the final combined event count toward the Championship, with the final worth 1.5x points. Points are awarded based on finishing position at each event. Class Champions will receive a custom plaque, DMS swag, and giveaways from event sponsors.
Exhibition Class
Non-street cars & cars using under 100TW Tires (slicks)
This is a non awarded Class for drivers wanting to bring out there open wheel race cars, karts or vehicle on slicks to the events. Purely for bragging rights & fun.