Team Associated RC28R Camber/Caster Test: Which Front Arm Felt Best?

Team Associated RC28R front arm tuning for 1/28 scale racers. In this video, we test the Team Associated RC28R camber / caster front arm options at IAM-RC Raceway in Manassas, Virginia. We compare the 2-2, 2-4, 3-2, and 3-4 front arms to see how each setup changes steering response, corner entry, mid-corner rotation, corner exit, stability, and driver confidence on track. The RC28R kit includes four front arm options. The 2-2 arm gives the car negative 2 degrees of camber and positive 2 degrees of caster, which is the box-stock setup. The 2-4 arm keeps negative 2 degrees of camber but increases caster to positive 4 degrees. The 3-2 arm increases camber to negative 3 degrees while returning caster to positive 2 degrees. The 3-4 arm combines negative 3 degrees of camber with positive 4 degrees of caster, making it the most aggressive option we tested. Camber affects how the front tires contact the track while the car is turning. More negative camber can give the car more front bite and initial steering. Caster affects how the car feels going into the corner, through the middle of the corner, and coming off the corner. More positive caster can add stability and on-power steering, especially through mid-corner and corner exit. The goal of this test is not to tell every racer which front arm is “best.” Track grip, tire condition, driving style, layout, and rear grip can all change how the car reacts. Instead, we start with the box-stock 2-2 setup, make one front arm change at a time, collect lap data, and share driver feedback so you have something to consider in your own testing and tuning journey. In our testing, the 2-2 setup had the slowest and calmest feel, with less initial steering and less on-power steering coming out of the corner. The 2-4 setup added caster, which made the car feel more stable and gave it more mid-corner to corner-exit steering. The 3-2 setup added more negative camber and gave us more initial front bite, which helped the car turn in harder and gave both drivers more confidence. The 3-4 setup was the most aggressive, with strong on-power steering, but it also pushed the front grip far enough that the rear of the car started to feel like it could not always keep up. For our driving style and track conditions, the 3-2 front arm stood out as a strong tuning option when the car needed more steering without becoming too aggressive. The 3-4 arm may be useful when you have a lot of rear grip, fresh tires, or need maximum steering, but it may also require additional tuning in the rear of the car, such as side damper oil or grease, to keep the car balanced. If you race the Team Associated RC28R, Mini-Z, or other 1/28 scale RC cars, this video will help you understand how camber and caster affect front-end feel and why testing different front arm settings on your own track is the best way to find the setup that works for you. IAM-RC Hobbyshop: www.iamrchobbyshop.com Team Associated RC28R Kit: https://iamrchobbyshop.com/products/t... Silver Horse RC: www.silverhorserc.com Silver Horse 350mAh 7.4V LiPo Battery: https://silverhorserc.com/products/si... #TeamAssociated #RC28R #128ScaleRC #RCRacing #RCSetup #RC28 #IAMRC #MiniZ #SilverHorseRC