Turbo Magazine Homepage Turbo & High-Tech Performance

Arc Cool Fin Cutting

Using a piece of paper to trace out the contours of the rear differential, we used a Sharpie to mark the Cool Fin and cut its shape accordingly. One word of advice when cutting the delicate aluminum against the grain is the use of a Dremel or fast cutting tool rather than a pair of scissors to prevent fin distortion.
Coolin' Down With ARC - Garage.Tech

Using a piece of paper to trace out the contours of the rear differential, we used a Sharpie to mark the Cool Fin and cut its shape accordingly. One word of advice when cutting the delicate aluminum against the grain is the use of a Dremel or fast cutting tool rather than a pair of scissors to prevent fin distortion.  View Related Article