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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

 

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