Single Seat Sand Rail What Would Be Some Good 4 Cylinder Engine Options For Building A 2wd Off Road Buggy...?

What would be some good 4 cylinder engine options for building a 2wd off road buggy...? - single seat sand rail

In the construction of a rear wheel drive single seat sand rail and motor need ideas .... I felt abandoned in a transverse engine and transaxle .... but I need a single engine, no computer or complicated wiring needed ..... I prefer a simple Engn carburetor with mechanical ignition system with over 100 hp and a manual Tansmission ..... See what kind of engine with these characteristics could ??????.....