M ▁test ▁driver ▁Ken ▁Richard son ▁was ▁invited ▁to ▁drive ▁the ▁car ; ▁his ▁low ▁opinion ▁of ▁the ▁car ' s ▁handling ▁and ▁drive ability ▁resulted ▁in ▁him ▁being ▁h ired ▁to ▁the ▁development ▁team ▁for ▁its ▁replacement . ▁ ▁Production ▁TR s ▁ ▁TR 2 ▁and ▁TR 3 ▁ ▁The ▁red es ign ▁and ▁development ▁of ▁the ▁ 2 0 TS ▁led ▁to ▁a ▁longer , ▁room ier ▁car ▁with ▁a ▁larger ▁boot , ▁built ▁on ▁an ▁all - new ▁frame ▁with ▁re vised ▁susp ension ▁and ▁bra kes ▁and ▁an ▁u pr ated ▁engine . ▁ ▁The ▁resulting ▁Tri umph ▁TR 2 ▁was ▁shown ▁in ▁March ▁ 1 9 5 3 ▁at ▁the ▁Gene va ▁Motor ▁Show . ▁The ▁TR 2 ▁would ▁form ▁the ▁basis ▁of ▁the ▁evolution ▁of ▁the ▁TR ▁line ▁up ▁to ▁the ▁TR 6 . ▁ ▁The ▁TR 3 , ▁introduced ▁in ▁ 1 9 5 5 , ▁had ▁a ▁front ▁gr ille ▁and ▁a ▁more ▁powerful ▁engine . ▁ ▁In ▁October ▁ 1 9 5 6 , ▁the ▁front ▁bra kes ▁of ▁the ▁TR 3 ▁were ▁changed ▁from ▁ 1 0   in ▁drums ▁to ▁ 1 1   in ▁disc s . ▁ ▁The ▁TR 3 ▁was ▁rest y led ▁in ▁ 1 9 5 7 ▁and ▁was ▁available ▁with ▁a ▁larger ▁ 2 . 2   lit re ; ▁engine ; ▁the ▁rest y led ▁car ▁was ▁uno fficial ly ▁known ▁as ▁the ▁TR 3 A . ▁A ▁further ▁development , ▁with ▁the ▁larger ▁engine