First off do you know you have a bad head gasket. You should have the vehicle tested to make sure in fact you need a head gasket instead of a less costly repair. You can use the estimator on this site to get a estimate of the needed repairs or take the vehicle to a top shop and have it diagnosed and a accurate estimate for repairs prepared for you. My shop would be happy to help you manage your vehicle problems. Please see our web site www.leoandson.com
RepairPal Certified shops can diagnose and repair your 1991 Toyota Cressida. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.