Amc 258 race engine. BEST OF ENGINE POWER: We're diving headfirst into what should have been a simple "aerosol overhaul" on a forgotten AMC 258 straight-six engine from a vintage mail carrier Jeep. 2L I6 ENGINES CJ’S, WRANGLER ETC. That's rather puny. Despite claims of being able to "smoke the tires" or "cruise at 70 uphill", the 258 never produced more than about 120 hp and 200# torque, in stock form. 2L is a low-RPM, torquey, tractor engine. It continued to be used through 1990 in the Wrangler. The AMC straight-6 engine is a family of straight-six engines produced by American Motors Corporation (AMC) and used in passenger cars and Jeep vehicles from 1964 through 2006. It is basically a stroked 232 engine. A couple of years ago I got a complete 258, automatic transmission and transfer case from an`82 CJ7. FEATURES: – Billet Aluminum Housing – CNC machines from 6061-T6 aluminum – Centerless Ground Shaft – Performance Adjustable Vacuum Advance For Optimum Performance – Brass Terminal Distributor Cap – Brass Tipped & Balanced Rotor – High Powered 65,000 Volt Coil – High Performance Control Module…. The 258 inline 6 (I6) engine always came from the factory carbureted 1972-1990 AMC/JEEP 232, 258 4. The great thing about this engine is it reliable, inexpensive, and has horse power and toque peaks at low RPM. But as we uncover Upgrades Factory Options General The AMC 258 was introduced in 1971 in J-series pickups and Wagoneers and in 1972 in CJs. May 9, 2012 · High performance 258 AMC 6 banger Discussion in ' The Hokey Ass Message Board ' started by racinman, May 9, 2012. Dec 10, 2012 · Let's face it, gentlemen, the AMC 4. npgdsvjjooyxpyceclqfgthegypwgzcbibfwjzktqmzcjyttzkbvsjgr