Talk:Marine automobile engine

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Technology

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Fuel injection[edit]

As most automobile engines now use fuel injection instead of a carburettor, I think this article needs updating. Biscuittin (talk) 19:25, 17 February 2008 (UTC) I agree...Most auto engines use EFI. However, EFI was not common on inboard and I/O engines until the late nineties. There were several technical hurdles that had to be overcome. Not the least of which was engine rotation. A number of marine engines rotate backwards. Most inboards in service today based on a Ford or GM small block are still using a good ol' Holley 4160.[reply]

Heck, distributorless ignition only has only recently become mainstream on marine inboard and I/O engines. As an example, PCM released the PRO-TEC ignition system in the late nineties, only to have it fail after a few years use. PCM has quit manufacturing the coil packs. They offer an "upgrade" to an electronic Prestolite distributor, if your DIS fails. —Preceding unsigned comment added by 205.232.7.226 (talk) 11:25, 5 May 2010 (UTC)[reply]

Rotation[edit]

Removal

Many marine engine crankshafts rotate in the opposite direction when compared to an automobile engine; RH rotation instead of LH rotation. This difference requires, depending on the engine design, a different camshaft, a different distributor gear, a different oil pump and different crankshaft seals.^{[citation needed]}

However, since the introduction of electronic fuel injection, and electronic engine management systems to marine engines this is not nearly as common. Engines equipped with a suite of electronics are LH rotation. The rotation is reversed for the propeller in the transmission.

Or bullsit, who knows - marine engine rotation description conventions are reversed, boats with twin engines can use contrarotating engines. But whether the above is true I have no idea - why would it be - lets go to the all that trouble for.. ? Mddkpp (talk) 14:10, 6 February 2012 (UTC)[reply]

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