text:  News Talk KBOI. Join the conversation using the Shell Rotella hotline. 866-907-3339. Red Eye Radio at Shell Rotella. What matters is inside. This spring, increase rig power and performance with Howe's Diesel Defender. It's warranty safe and made with no alcohol or harmful solvents to keep you running at your best. It provides maximum lubricity and specialized IDX4 detergent cleans and prevents deposits.