Install handling at update>update.rpf>common>handling
then extract handling.meta and open with ntoepad
then search for seminole by pressing ctrl+f and type seminole

then look for <vecCentreOfMassOffset 
and change the values to x="0.000000" y="0.000000" z="-0.450000" />

install car model in x64e>levels>gta5>vehicles.rpf
replace the files