Transferred Firewall pattern to galvanized sheet. Drilled 3/16" flange bend relief holes per pattern.
Cut MDF bending blank for rt/left sides of firewall. Cut bending blank for top of Firewall. Clamped Friewall blank and bent flanges as shown. 1 1/2" x 3/16" 6061 T6 angle will be added on receipt of next parts order.