od ynamic . ▁These ▁cars ▁would ▁be ▁christ ened ▁DB R 2 / 1 ▁and ▁DB R 2 / 2 . ▁ ▁Racing ▁history ▁DB R 2 / 1 ▁initially ▁began ▁competition ▁at ▁the ▁ 1 9 5 7 ▁ 2 4 ▁H ours ▁of ▁Le ▁Mans , ▁where ▁it ▁unfortunately ▁retired , ▁this ▁was ▁due ▁to ▁a ▁poor ly ▁performing ▁car b uration ▁system , ▁which ▁in ▁effect ▁was ▁a ▁single ▁car b ure tor ▁for ▁each ▁cyl inder , ▁this ▁problem ▁was ▁resolved ▁for ▁the ▁cars ▁next ▁out ing ▁when ▁these ▁were ▁replaced ▁with ▁three ▁tw in ▁side ▁draft ▁We ber ▁D CO ▁ 5 0 s . ▁DB R 2 / 1 ▁only ▁notable ▁success ▁for ▁ 1 9 5 7 ▁was ▁at ▁the ▁Daily ▁Express ▁Tro phy ▁at ▁Silver stone ▁Circ uit ▁in ▁the ▁hands ▁of ▁Roy ▁Salvador i . ▁DB R 2 / 1 ▁was ▁entered ▁for ▁the ▁August ▁ 1 9 5 7 ▁Sp a ▁Grand ▁Prix . ▁During ▁practice ▁the ▁car ▁was ▁performing ▁well ▁in ▁the ▁hands ▁of ▁No el ▁C unning ham - Re id , ▁however ▁on ▁his ▁last ▁practice ▁lap , ▁No el ▁saw ▁what ▁he ▁thought ▁to ▁be ▁one ▁of ▁his ▁team ▁m ates ▁up - side - down ▁in ▁a ▁d itch , ▁he ▁was ▁unable ▁to ▁stop ▁and ▁help ▁due ▁to ▁other ▁race ▁car ▁traffic , ▁however , ▁with ▁this ▁on ▁his ▁mind ▁he ▁entered ▁the ▁next ▁b end ▁to ▁fast , ▁he ▁came ▁off ▁the ▁track , ▁went ▁down