seeking honest help

ok i have 2 rangers the fixer is a 85 4x4 auto single cab long wheelbase dual tank with carbed 2.8 the donor is 86 5speed 4x4 single cab swb with efi2.9 has been flipped... the motor in the 85 was slightly built bored .20 over ,line bored .10 over . but 3 &4 rods are burnt but the motor is...