Any tips on waterproofing a petrol engine?

[Dirtycruiser]

Any tips on waterproofing a petrol engine?

 

[Aussieadventurer]

a good old plastic bag over the distributor and you are done mate

 

[UKlandy]

when I used to have a v8 defender I would cover the distributor with a plastic back and but some vaseline around the spark plug wires to stop water from going in and making the thing misfire