Cleaner than it was this time last week. I bought a spray can of engine cleaner & went at it with a scrubber,let it soak overnight then sprayed it again & drove it to the local pressure washer & blasted it clean. It came up a treat mate. What made the most difference though was when it had dried out i grabbed the nearest can of WD40 & lightly coated everything.
Ive jet washed the engine bay on every car ive had. Put a couple of tescos carrier bags over the air filter (dizzy too on old cars) & you`ll be ok. Things might get a bit damp & it might drive a bit lumpy (you`ve had a damp distributor cap before ive no doubt) for a mile afterwards but its only water & engine heat soon dries it up. Go for it.
If you can do what i did & soak & scrub the night before. Then soak again in the morning.
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