The AMC straight-6 engine is a family of straight-six engines that were produced by American Motors Corporation (AMC), and used in AMC passenger cars and Jeep vehicles from 1964 through 2006. Production continued after Chrysler acquired AMC in 1987.

The 4.0L inline 6 (I6) engine was introduced in the Cherokee in the late 80s and in the YJ in 1991. The cylinder design is based on the changes made to the fuel injected 2.5L I4 engine. The block and cylinder head are cast iron. It uses 7 main bearings and hydraulic lifters.

2020年7月28日 · While the modern-day Jeep doesn’t share a massive amount with those older AMC engines, they laid the groundwork that the 4.0L was built on. Throughout the years, AMC updated their inline-six engines with various displacements and design features until 1986 when they launched the modern-day 242 ci / 4.0l engine.

The 242 cu in (4 L) engine was developed by AMC in just 26 months using many off the shelf components while featuring, among others, additional strength, improved combustion chamber, port setup, and cam profile.

2007年11月1日 · Designed by AMC and refined by Chrysler, its basic architecture was based on the '64-and-up AMC 199-, 232-, and 258ci OHV sixes. The fuel-injected 4.0L ruled supreme in Jeeps until forceably ...

2024年2月12日 · JEEP AMC 4.0/242 2000-01 L6. Application: AMC 4.0/242 2000-01 ENG. Special Notes: Ohv 12 Valve, Cast Iron Block And Head, L6. REMANUFACTURED ENGINE. Engine is tested with external power. All moving parts are scrutinized and inspected.

Find JEEP 4.0L/242 AMC inline 6-cylinder Engines & Components and get Free Shipping on Orders Over $109 at Summit Racing!

Oil Filter Base 90 Degrees To Pan. Head # 0331. Crank # 53010411, This item has an added core charge. The price tag DOES NOT include a refundable core amount of $500. Core Return Refund Policy.

Titan 4.0 High Output Jeep Engine Our standardized and stocked High Output 4.0 Jeep Engine. Comes with a New Cylinder Head with Large Exhaust Valves, a Balanced Crankshaft, an RV Camshaft, Melling Oil Pump, and Brass Freeze Plugs.

The AMC I6 is probably the most recognizable and longest-running Jeep powerplant in the brand's history. It features smoothness, good torque and basic longevity inherent in I6 designs. The AMC straight-six began life at AMC as the Typhoon, a …