2-225/6 , and 1-170/6

Up grading my 65 Dodge Dart GT convertible from a 225/6 to a small block 360. My car originally had the 170, ($300.00)(ran good when I pulled it) dropped in a 70's 225 slant six, which was rebuilt w/new pistons,rings,crank,bearings,cam,water pump,timing gears and chain,50mm off block, 30mm off heads with hardened seats to run unleaded gas, run with dual single carbs on a Offenhauser intake manifold. ($700.00) hooked up to a 904 automatic transmission($200.00) The 2nd 225 is from a 1970's dodge