Late Model Stock

Know everything about iRacing's Late Model Stock including technical specs, braking tips and more.

Late Model Stock - Stock Car race car

Image © iRacing.com Motorsport Simulations

Chassis

Weight 2800 lbs
Drive RWD

Power

Engine 5.7 Liters
Power 500 bhp
Torque 450 lb-ft

Brakes

Type Manual Bias
Pad Compounds Standard
Electronics None

Bias Range

Adjustable

ABS

None

Downforce

Medium

Setup

Advanced

How the Late Model Stock Handles Braking

The Late Model Stock's braking system centers around the brake balance bar adjustment, which controls front-to-rear brake bias as a percentage of front braking force. Values above 50% send more pressure to the front brakes, while lower values shift pressure rearward. This adjustability serves dual purposes: preventing wheel lockups by moving pressure away from the locking axle, and fine-tuning handling balance under heavy braking. Higher brake bias typically induces understeer during braking, while lower values promote oversteer—critical considerations when setting up for different track characteristics.

The car's 2800 lb dry weight and asymmetric oval setup create unique braking dynamics. Weight transfer under braking is heavily influenced by nose weight percentage, which affects front grip availability during threshold braking. The truck arm mounting configuration plays a supporting role—higher truck arm mounts add anti-squat and reduce wheel hop under heavy braking, though they sacrifice rear grip. This relationship between suspension geometry and braking stability becomes especially important on tracks where heavy braking zones transition quickly into high-load corners.

Brake bias adjustment strategy should account for the car's changing balance through a fuel run, as fuel load directly affects nose weight percentage. Starting brake bias will need evaluation as the car lightens, since weight distribution shifts can turn a balanced setup into one prone to front or rear lockups. Monitor tire temperatures and wear patterns to confirm your brake bias isn't overworking one axle, and adjust shock settings to manage platform stability during the weight transfer phase of braking.

Grounded in official iRacing manual data
Practice in the App

Stop Guessing, Start Improving

Many drivers slam the brakes with all their strength, but the fastest modulate pressure, use the brake to rotate the car, and exit as fast as possible. Train that skill here.

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Browser-based training works with any racing pedals or controllers. Fanatec, Thrustmaster, Logitech, Simucube — no installation required.

Pro-Designed Exercises

Access exercises created by professional sim racers like Suellio Almeida. Learn the exact braking patterns used by the fastest drivers.

Import Late Model Stock Telemetry

Drop your Garage61 lap CSV and extract braking data for every corner. Generate personalized practice exercises based on YOUR telemetry, not generic patterns.

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3 Essential Setup Tips

Tip 1

Brake Bias

Brake bias controls front/rear brake force distribution. Start with 56-58% front for most cars. Engine placement matters: front-engine cars need more front bias (58-62%), mid-engine cars run balanced (54-58%), rear-engine cars need less (50-54%). Understeering under braking? Add 1-2% front bias. Rear feels loose in braking zones? Reduce front bias by 1-2%.

Tip 2

Know Your Car

Check if your car has ABS, traction control, or brake mapping. ABS allows later braking but can increase stopping distance—adjust activation threshold in setup. High-downforce cars brake later and harder at speed but lose grip quickly as downforce bleeds off. Low-downforce cars require earlier, progressive braking with more trail-braking to rotate.

Tip 3

Quick Fixes

Locking fronts frequently? Reduce front bias 1-2% or brake earlier with gradual pressure. Car won't turn in under braking? Increase front bias 1% and practice trail-braking deeper into corners. Rear unstable in braking zones? Reduce rear bias or use smoother pedal release.

Master Your Braking

Common questions about braking in this car. Practice these techniques in our free app.

What's the best brake bias for the Late Model Stock?

Most cars work well starting with 56-58% front bias. Adjust based on behavior: if you're locking fronts frequently, reduce front bias by 1-2%. If the rear feels unstable under braking, increase front bias. Engine placement matters too—front-engine cars typically need more front bias (58-62%), while mid/rear-engine cars run more balanced (54-58%). Always adjust in small increments and test.

Does the Late Model Stock have ABS or traction control?

Check your car's setup screen for available driver aids. Cars with ABS allow later, more aggressive braking but may increase stopping distances. If ABS is available, you can adjust its activation threshold in setup—higher thresholds give more control but require smoother inputs. Cars without ABS require progressive brake application to avoid lockups. Practice threshold braking in our app to develop the muscle memory for both scenarios.

Why do my brakes lock up in the Late Model Stock?

Brake lockups typically happen from: (1) Too much front brake bias—reduce by 1-2%. (2) Too aggressive initial brake application—practice progressive pressure buildup. (3) Trail-braking too deep into the corner—release brake pressure earlier. (4) Cold tires or brakes—take an extra warm-up lap. (5) Downforce loss at lower speeds—brake earlier and lighter through slow corners. Use our Hold Pressure and Threshold Braking exercises to build the sensitivity needed to stay just below the lockup point.

How late can I brake in the Late Model Stock compared to similar cars?

Braking points depend on: (1) Downforce level—high-downforce cars brake 50-100ft later than low-downforce cars. (2) Weight—lighter cars brake later but have less grip margin. (3) Brake size and cooling—larger brakes handle repeated heavy braking better. (4) ABS availability—ABS cars can brake slightly later. Start conservative and move your braking point later by 5-10ft each lap until you find the limit. The key is consistency, not just maximum lateness.

How can I practice braking in the Late Model Stock?

Braking Lab offers free web-based exercises that work with any wheel/pedal setup—no download needed. Try Hold Pressure to develop steady brake application, Trail Braking to master corner entry, and Threshold Braking to find the lockup limit safely. Each exercise gives instant feedback and tracks your progress. Practice 10 minutes before your race session to build muscle memory that translates directly to the track.

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