Four Cylinder 2.5Liter Jeep engine Specs

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Four Cylinder 2.5Liter Jeep engine Specs

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Four Cylinder 2.5Liter Jeep engine Specs

All Jeeps with the 2.5Liter engine
Published by TerryMason
11-18-2005

Four Cylinder 2.5Liter Jeep engine Specs

AMC first introduced the inline 4 2.5L engine back in 1984. Back then, the engine was carbureted, but at the engine matured fuel injection was introduced. This engine was used on Wrangler TJ, Cherokee XJ, and Wrangler YJ.

#1 (permalink)

By TerryMason on 01-27-2008, 10:39 AM

Four Cylinder 2.5Liter Jeep engine Specs - Technicals

Displacement	150 cubic inches
Cylinder numbers (front to rear)	1-2-3-4
Firing order	1-3-4-2
Spark Plug gap	0.033 to 0.038
Ignition timing	9 to 11 degrees
Idle speed (auto)	600 +/- 70 rpm
(manual)	680 +/- 70 rpm
Engine oil	API SE of SF
- Oil capacity	4qts
Automatic Transmission Fluid	Mercon ATF
- ATF Capacity	4qts

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