sentences:  In order to link the exhaust systems from each bank (to provide even exhaust gas pulses), 1960s cross-plane V8 racing engines have either used long primary exhaust pipes (such as the Ford GT40 endurance racing car) or located the exhaust ports on the inside of the V-angle (such as the Lotus 38 IndyCar).On the other hand, a flat-plane crankshaft is used by many V8 engines fitted to racing cars.This configuration provides two benefits.