Completed the following sentence: Allison first raced in the USAC Championship Car Series in 1970. <unk> <unk> <unk>
1970 Indianapolis 500, he finished 4th and won the 1970 Indianapolis 500 Rookie of the Year Award. <unk> <unk> <unk> <unk> 1971 Allison drove the No. 84 Purolator Filters Coyote-Ford V8, finishing 6th in the Indianapolis 500. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Allison was again ineligible for points.<unk> Allison was again ineligible for points.