I built up this Jeep as well. The engine is 350 V-8 from a 1978 Z-28 Camaro. 4-bolt crank, pre-pollution heads from a '68, RV cam, Edelbrock manifold, Accel electronic ignition, Holley dual pumper, headers and dual exhaust all the way to the back. It is lifted 6" with 33-12.5 Thornbird Super...