Think you know Jeep engines? Well, if you don't, here's something to help you out.
1940- 53 L134 'Go Devil'
Applications: MB, GPW, 1945- 53 CJ, 1946- 50 PU, SW and DJ
Displacement: 134 cubic inches
Power Output:50- 60hp @ 4,000 rpm
Torqur Output: 105 lb- ft @ 2,000 rpm
Bore and Stroke: 3.12 x 4.37 inches
Compression Ratio: 6.48:1
1950- 68 F134 'Hurricane'
Applications: 1953- 71 CJ & DJ, 1950- 65 PU, SW and 1967- 71 C104 Jeepster
Displacement: 134 cubic inches
Power Output: 69- 74 hp @ 4,000 rpm
Torque Output: 115- 117 lb- ft @ 2,000 rpm
Bore and Stroke: 3.12 x 4.37 inches
Compression Ratio: 6.9:1 or 7.4:1
1980- 83 2.5L GM/Pontiac 'Iron Duke'
Applications: 1980- 83 CJ
Displacement: 150 cubic inches
Power Output: 82 hp @ 4,000 rpm
Torque Output: 125 lb- ft @2,600 rpm
Bore and Stroke: 4.00 x 3.00 inches
Compression ratio: 8.2:1
1984- 02 2.5L AMC
Applications: 1984- 88 CJ- 7, 1984- 00 XJ, 1987- 95 YJ, 1997- 03 TJ
Displacement: 151 cubic inches
Power Output: 105-125 hp @ 4,000- 5,400 rpm
Torque Output: 125-150 lb- ft @ 2,600- 3,200 rpm
Bore and Stroke: 3.88 x 3.19 inches
Compression Ratio: 9.2:1
Comments: 1984- 86 engines used a single-carburator (CJ-7 only).
1984- 90, TBI was available. Then in 1991, Multi-point Fuel Injection was introduced.
XJ's always had slightly higher performance numbers then the YJ.
1997, Jeep went with a different cam profile and new ECM.
This dropped the performance numbers but gave it a flat powerband.
Mopar Perfromance made many parts for the XJ and YJ, most can be used with later engines.
Since the last parts were made 10 years ago, there are no new ones to be had.
Many of the camshafts were dumped onto the eBay.com a few years ago.
2002- Present 2.4L DOHC
Applications: 2002- Present KJ, 2003- Present TJ
Displacement: 148.2 cubic inches
Power Output: 147 hp @ 5,200 rpm
Torque Output: 165 lb- ft @ 4,000 rpm
Bore and Stroke: 3.44 x 3.98 inches
Compression Ratio: 9.4:1
Rod Length: 5.94 inches
Connecting Rod L/R: 2.99 inches
Comments: This engine is shared across several platforms.
The Caravan, Neon and PT Cruiser, just to name a few.
The Neon and Pt Cruiser also have a performance version.
They lowered the compression ratio and added a Turbocharger.
This means there may be a chance to adapt the 2.4L Turbo to the Jeep for added power.
Also, because the engine is used on several other platforms,
there will be more performance parts coming from the Neon crowd.
