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Originally Posted by DemoDaddy79
From what I understand, a snorkel on a Gas engine will not increase the "submergability"  of said vehicle. It does however reduce dust intake and bring cooler air to the engine. So it may look gey to some, but to others it could provide more proficient air intake and great looks.  |
Not sure I agree with this. Water typically gets into the engine through the intake. If you can raise the air intake, you can go through higher water than without (but watch out for the breather valves for your differentials and t/c). The entire air intake system needs to be sealed, but it will increase the submergability, and most important give you a higher margin of stupidity when going through deep water to prevent hydrolock.
If you are really careful in your waterproofing, you can fully submerge the engine and still have it run just fine as long as the air intake is above waterline.