3-4 deg before TDC with the vacuum advance hose off the distributor and plugged.
2007 JK has a V6 2006 TJ has an I6
The drain plug is on bottom of radiator.the cylinder block drain plug, located on the side of cylinder block below the exhaust manifold. The above answer is only for the radiator drain plug.
Straight 4 or straight 6
The 4.7L is a V8 engine.
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