Guide to drag tuning

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Guide to drag tuning  Empty Guide to drag tuning

Post by Yokedblowfish on Sat May 09, 2015 9:01 am

Below you will find information gathered from Forzamotorsports.Net by a gamer named "mutevole" that helped me to grasp "DRAG" tuning. Hope you find it helpful.[/size]

Welcome, and thank you for checking out my guide. This guide will cover many important topics for drag racing.

1) Power to Weight
2) Gears
3) Suspension
4) Differential
5) You the Driver

Power to Weight

Always having a calculator in arms reach is always a good idea. To determine whether a car will be good at drag racing, you have to understand weight.

Rear Wheel Drive

Rear wheel drive vehicles; the pinnacle of Muscle cars. Cars with two back wheels that lunge them forward have to have the most precise of tune in order to win races. Typically, in rear wheel drives, you want some typewriter of weight to provide traction off the line. This gives better 0-60. Race weight reduction with a rollcage is typically what you're aiming for here. For roll racing, like highway pulls or top speed runs, you want as least weight as possible. If your car is more than 3000lbs (1500kg) its possible you have to much weight for your power.

All Wheel Drive

Plain and simple, as least weight as possible. No roll cage required.


Gears are the most important rule about your car. Too short, you could have no pull and no high end, long and you have no pull hut high top speed. So how do you get both? When you do gears, you want your longest gear to be first gear. When you do gears, you want your next gear to be shorter than your last. Usually when you do a regular drag tune, you only use 5 gears. Cars like the Alfa Romeo Stradale and Henessey Venom are some of the 6 gear cars. Also, pick a rally transmission over race transmission. Its only 2 lbs heavier, but your gear changes are quicker. You can change the gears on rally transmission as well, typically a misconception. When switching from race to rally tranny, your gears stay the same as well.


This part is very simple as well. You want your lb in to be close to the very softest. Most of the time this setting should be all the way down. Your damping amounts should be between 1.5-2.5 depending on your best acceleration times.


You want to fine tune your rwd car diff to counter wheelspin.

Rear Wheel & Front Wheel

Acceleration: If you want less wheelspin, tune it to 20 or 40%. The higher the numbed, the more power the engine can deliver to the wheels, making 100% locked diff give occasionally bad launch, but amazing pull over a 20% diff.


When making an awd car, you want as much power as possible, since pulls arent as strong as a rwd. Lock your diff all the time. You may get some wheelspin, but you'll have to just fine tune final drive and first gear. This is what that would look like.

Acceleration - 100%
Deceleration - 0&

Acceleration - 100%
Deceleration - 0%

Center: this is all about you. A lower percent increases launch stability and speed, and a higher percent, with more power to the rear wheels increases high end pull. You want this to be around 55%-80%

You the Driver

As well as tuning your car to be the best, you also need to drive the best. Now I know this sounds crazy, but drag racing is much more challenging than just going in a straight line. Here are some things you as a driver need to learn

1) Launch RPM: Nailing the rev limiter is a stupid idea. Find which rpm gives you the least wheelspin, more power, and overall perfection.
2) When to shift: Its good to know what speed your gears top out so you can get the best shift time and stay within your power range.
3) Don't slam a RWD Car: If you get wheelspin, let off a little bit, not fully.


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