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How do I know if I have an L flat head 4 cylinder engine or the later F head over-head valve 4 cylinder engine in my vintage jeep?

April 26, 2017cylinder engine flat Head later over-head valve

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How do I know if I have an L flat head 4 cylinder engine or the later F head over-head valve 4 cylinder engine in my vintage jeep?

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The quickest way to determine what engine you have will be to look at the following items. L flat head engine will have the plugs and plug wires pointing straight up on top of the head. F head over head valve engine will have a metal valve cover and the plugs and wires will be pointing out at an angle on the drivers side of the head. It is very important to know what engine you have before placing an order for parts. Your jeep might have had an engine replaced over the years that might not match the original OEM specifications for your model year.