▁own ▁engines ▁up ▁to ▁ 1 9 2 4 , ▁but ▁converted ▁autom ot ive ▁engines ▁from ▁about ▁April ▁ 1 9 2 4 ▁on . ▁During ▁W W II , ▁Gray ▁Marine ▁built ▁ 1 0 0 ▁mar in ized ▁G M ▁style ▁ 7 1 ▁series ▁dies els ▁a ▁day ▁using ▁G M ▁cyl inder ▁blocks . ▁▁▁▁ ▁On ▁June ▁ 1 4 , ▁ 1 9 4 4 , ▁the ▁company ▁was ▁purchased ▁by ▁Cont inental ▁Mot ors ▁Company ▁for ▁$ 2 . 6 ▁million . ▁John ▁W . ▁Mul ford , ▁the ▁son ▁of ▁O . ▁Mul ford , ▁was ▁made ▁general ▁manager ▁of ▁Gray . ▁Gray ▁continued ▁to ▁make ▁marine ▁engines ▁in ▁the ▁post - war ▁period ▁until ▁its ▁closure ▁by ▁Cont inental ▁in ▁about ▁ 1 9 6 7 . ▁ ▁References ▁ ▁Category : Mar ine ▁engine ▁manufact ur ers ▁Category : Man ufact uring ▁companies ▁based ▁in ▁Detroit ▁Category : Engine ▁manufact ur ers ▁of ▁the ▁United ▁States <0x0A> </s> ▁Er sk ine ▁Leo ▁Hol t ▁( F ebru ary ▁ 8 , ▁ 1 9 1 5 ▁– ▁July ▁ 1 1 , ▁ 2 0 0 3 ) ▁was ▁Christian ▁minister , ▁mission ary ▁and ▁religious ▁leader ▁who ▁established ▁many ▁independent ▁House ▁Church ▁communities ▁throughout ▁the ▁United ▁States . ▁He ▁was ▁one ▁of ▁the ▁found ers ▁of ▁the ▁Pan - American ▁Mission ▁and ▁later ▁founded ▁Cor villa , ▁a ▁Christian ▁retre at ▁center ▁in ▁Ze ph yr h ills , ▁Florida . ▁