Table:
text: 1980 IndyCar season
Drivers and constructors
Drivers and constructors
Team Chassis Engine Tires Drivers
Scientific Drilling Penske Cosworth G Dennis Firestone
Guarantee Lightning Chevrolet G Hurley Haywood
Tonco Trailer McLaren Gerhardt Karl Chevrolet G Jerry Karl
Simon Racing Vollstedt Offy G Dick Simon
Advance Clean Sweep Wildcat Chevrolet G Roger Rager
McElreath Racing Penske Cosworth G Jim McElreath
Hopkins Racing Lightning Offy Cosworth G Johnny Parsons
Kraco Racing Wildcat DGS Offy G Larry Cannon
Vetrock Racing Eagle Offy G Dean Vetrock
Machinists Union IAM Chevrolet G Phil Threshie Larry Dickson
Cargo Master Manta Offy G Dick Ferguson
Parts Washer Service Eagle Penske Offy G Chip Mead
Parts Washer Service Eagle Penske Offy G John Mahler

Question: What engine does Parts Washer Service's Chip Mead use among the drivers and designers of the 1980 IndyCar season?