Porsche · 2017–present · track setup

718 Cayman / Boxster 982

The 982 keeps the 981's superb mid-engine chassis, so it is an excellent car to learn on and improve in. The turbo four-cylinder cars are torquey and quick but divide opinion on sound; the GTS 4.0 brings back a GT4-derived naturally aspirated six and is the enthusiast pick. Stock front camber is the first limit, and cooling upgrades help in hot, long sessions.
Engine
2.0 L turbo flat-four (base, T); 2.5 L turbo flat-four (S, and 2018–2019 GTS); 4.0 L naturally aspirated flat-six (GTS 4.0, 2020–)
Power
300 hp (base, T) / 350 hp (S) / 365 hp (GTS 2.5) / 394 hp (GTS 4.0)
Weight
≈2,940–3,170 lb (Cayman base to GTS 4.0, US curb)
Layout
Mid-engine
Drive
RWD
Performance planner ↓

These are starting points gathered from the sources listed at the bottom, not a guarantee. Cars, tires and parts vary: have a reputable alignment shop set your car, check factory specs for road use, and change one thing at a time.

01On track

Strengths
  • +Mid-engine balance that rotates on trail-brake without a 911's rear-engine pendulum
  • +Strong low-rpm torque from the turbo fours
  • +GTS 4.0 adds a free-revving flat-six and is the most complete non-GT 718
  • +The Cayman T adds PASM Sport (20 mm lower), torque vectoring and a mechanical limited-slip diff to the base engine
Watch out for
  • −Stock front camber is limited; many cars struggle to reach -1° to -1.6°
  • −Front radiators sit low and collect debris
  • −Early turbo-four cars have known coil, oil-consumption and cooling-fitting issues
  • −Large 19–20 inch factory wheels limit tire choice

02Alignment

Where to start the alignment.

Alignment · starting points
VIEWED FROM BEHIND · CAMBER EXAGGERATED ×3-2.8°FRONT L-2.8°FRONT R-2.3°REAR L-2.3°REAR R
FrontRear
Camber-2.5° to -3.0°-2.0° to -2.5°
Toezero to slight toe-outtoe-in
Caster≈9.5° (one build; factory about 8°)—

Owner consensus. Owners suggest adjustable lower arms or camber plates for -2.5° or more on dedicated track wheels; a MotoIQ 718 T build aimed for up to -3.0° front with spherical-bearing arms and GT4-compatible rear toe links, and notes dedicated track 718s often run -4.0°. GT3-style arm shims are also listed for 718 Caymans.

Sources [2,4,5,6]

Hot pressure target
≈34–36 psi hot for 200TW tires; ≈30–32 psi hot for R-compounds

No 718-specific figure was found; these windows come from Tire Rack's study of 14 track tires. Start a few psi below target cold and adjust hot. [7] Work out your cold pressure →

03Tires & brakes

Tires and brakes

  • 200TW endurance
    • Bridgestone Potenza RE-71RS
    • Yokohama Advan A052
    • Falken Azenis RT660+
    Base: 235/45ZR18 F, 265/45ZR18 R. S: 235/40ZR19 F, 265/40ZR19 R. GTS 4.0: 235/35ZR20 F, 265/35ZR20 R. A MotoIQ 718 T build planned 245/275 on 19s for RE-71s

    Results from the 2025 Tire Rack track test.

    Sources [2,8,9,10,11]
  • R-compound / slick
    • Michelin Pilot Sport Cup 2 R
    Factory staggered sizes above
    Sources [12]
Brake pads

An endurance track compound such as PAGID RSL for regular track days; the MotoIQ 718 T ran Ferodo DS2500 with an aftermarket big-brake kit

Brake fluid

PAGID Racing fluid (330°C dry / 200°C wet) or Motul RBF 600 (≈401°F wet)

Bleed before every event. [2,13,14,15]

04Known issues on track

Fix these before they find you.

  • Cooling system (water pump, thermostat, fittings)

    Stuttcars reports recurring water pump leaks and bearing play, thermostats that fail open, and early coolant-line fittings to the turbos that leak on the four-cylinder cars. Check them before a track season. A MotoIQ 718 Cayman T build ran a third radiator and a GT3-style front bumper vent and saw oil peak at 107°C with coolant at 83–85°C on a 60°F day. [1,2]

  • Front radiator debris and damage

    The low front radiators and condensers take stones and debris and can corrode. Clean the cores and fit screens before track use. [1]

  • Turbo-four ignition and oil use (early cars)

    Early 2.0 / 2.5 L engines had cracking ignition coils, some fuel-pump hesitation under hard load and, in some cars, high oil consumption. Check that recall and warranty work was done, and carry oil to the track. [1]

  • GTS 4.0 engine notes

    The GTS 4.0 shares its 4.0 L engine family with the GT4. For that engine, specialists report isolated connecting-rod failures before 2021 handled with engine replacements, and suggest replacing the camshaft adjuster bolts on cars that see heavy track use. See the Cayman GT4 guide for details. [3]

05Modification roadmap

In the order that pays off.

  1. 0
    Safety & reliability first

    Safety and reliability first

    • Cooling system check and radiator cleaningPumps, thermostats, fittings and low radiators are the known weak spots.
    • Track pads and high-boiling fluidStreet pads and old fluid give up first.
    • Recall and warranty history (early turbo cars)Coils and fuel-pump issues were addressed by Porsche on many cars.
    • Harnesses only with proper roll protectionNever fit harnesses without a roll bar or cage.
  2. 1
    Tires & alignment

    Tires and alignment

    • Adjustable front lower arms or camber platesGets past the stock camber limit.
    • Adjustable rear toe linksHold rear toe-in as rear camber rises.
    • Smaller track wheels with 200TW tiresMore tire choice and lower cost than 20-inch sizes.
  3. 2
    Suspension & brakes

    Cooling and suspension

    • Third (center) radiator and front ventKept temperatures stable on a documented 718 T track build.
    • Coilovers and adjustable barsTune the mid-engine balance as grip rises.
  4. 3
    Power & aero

    Power last

    • Tuning (turbo cars)Easy power, but cooling and brakes must come first.

06Performance planner

What each upgrade is worth on this car.

Pick upgrades and see the estimated lap-time change on a reference circuit, how much margin your brakes and engine have late in a session, and which changes buy durability rather than speed.

Performance planner · 718 Cayman / Boxster 982 (non-GT4)Model estimate
Tires
Brake pads
Brake fluid
Brake cooling
Brakes
Alignment
Suspension
Differential
Weight
Power
Cooling
Oil system
Aero
1:48.31stock 1:48.31−0.0%

Reference circuit (fictional, 3.5 km). Late lap includes brake fade and heat derating once the system runs out of margin.

T1T2T3T4T5T6T7T8SPEED · your plan vs stock · top 127 mph
Brake fade marginFades
Engine heat marginHolds
Oil starvation riskLow
Tire life (relative)100%
Sensitivity · each upgrade alone vs stock (late lap)
  • R-compound tires−5.85%load ↑
  • 200TW endurance tires−2.93%load ↑
  • Track alignment−0.94%
  • Street/track pads−0.88%durability ↑
  • Race pads−0.88%durability ↑
  • High-temp fluid−0.88%durability ↑
  • Brake cooling ducts−0.88%durability ↑
  • Big brake kit−0.86%durability ↑
  • Splitter + wing−0.83%
  • Coilovers + sway bars−0.78%
  • Limited-slip differential−0.50%load ↑
  • Lighter wheels + seat−0.19%
  • Oil cooler + radiator±0durability ↑
  • Oil system (baffles / accumulator)±0
  • Intake, exhaust, tune±0load ↑
This car’s roadmap below starts with: Cooling system check and radiator cleaning · Track pads and high-boiling fluid · Recall and warranty history (early turbo cars) · Harnesses only with proper roll protection

Estimates from a simplified point-mass lap simulation of 718 Cayman / Boxster 982 (non-GT4) (2,941 lb, 300 hp) on a fictional circuit, with generic effects for each upgrade category. Good for comparing options on the same car, not for predicting your lap time. Real results depend on the driver, the exact parts, the track and the conditions.

Free printable setup sheet →

Sources

Last reviewed 2026-10-18. Summaries are TRACK’s own wording; follow the links for the original detail. Product and brand names belong to their owners.

  1. [1]Porsche 718 Cayman (982) Buyer's GuideStuttcars · accessed 2026-10
  2. [2]Project 718 Cayman T: Part 12 – E-Motion Suspension Components and Track UpdateMotoIQ · accessed 2026-10
  3. [3]Porsche 718 Cayman GT4 – Buyer's GuideElferspot Magazine · accessed 2026-10
  4. [4]Proper toe alignment settings for aggressive canyon / occasional track (owner consensus)Rennlist · accessed 2026-10
  5. [5]CMS Performance Camber Shim Set for Porsche 986/987/996/997/991 GT3 Control ArmsPMB Performance · accessed 2026-10
  6. [6]Adjustable control arms (986/987/981/982/718 and 996/997/991/992)Tarett Engineering · accessed 2026-10
  7. [7]Confirming optimal track tire pressures using a BMW M2 on the Tire Rack test trackTire Rack · accessed 2026-10
  8. [8]2025 Tire Rack Extreme Performance Track Tyre TestTyre Reviews · accessed 2026-10
  9. [9]2017 Porsche 718 Cayman specs (base)Cars.com · accessed 2026-10
  10. [10]2017 Porsche 718 Cayman S specsCars.com · accessed 2026-10
  11. [11]2022 Porsche 718 Cayman GTS 4.0 specsCars.com · accessed 2026-10
  12. [12]Michelin Pilot Sport Cup 2 RMichelin USA · accessed 2026-10
  13. [13]Racing brake pads: Product Family RSL (endurance)PAGID Racing · accessed 2026-10
  14. [14]PAGID Racing Brake FluidPAGID Racing · accessed 2026-10
  15. [15]Brake Fluid (wet boiling points by product)BimmerWorld · accessed 2026-10
Related platforms