Washing engine bay

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RichLo

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I'm surprised nobody is using a brush with the degreaser... chemical alone only goes so far but with an old grimy motor you need some mechanical removal. I use a stiff bristle brush to really scrub the 200k mile oil and grease
 

Caman96

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I do to access areas, like airboxes which then get cleaned separately.
Kinda like removing dirty clothes, throwing them in the washer and meanwhile taking a shower.
More access=More clean
 

95burban

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I prefer doing while it’s running. That way in case something gets wet you have an idea what it was
 

454cid

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I'm surprised nobody is using a brush with the degreaser... chemical alone only goes so far but with an old grimy motor you need some mechanical removal. I use a stiff bristle brush to really scrub the 200k mile oil and grease

I find the pressure washer usually does that for me. I did have an old International with a Detroit 6V53 for a few weeks and the gas powered pressure washer only took the dust off, and a few chunks that made a mess in the driveway. Everything under the the engine was still just as grimey as before!
 

454cid

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I do to access areas, like airboxes which then get cleaned separately.
Kinda like removing dirty clothes, throwing them in the washer and meanwhile taking a shower.
More access=More clean

Same... Anything removed gets scrubbed unless I've already gotten it clean previously.
 

RichLo

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Erik the Awful

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I find the pressure washer usually does that for me. I did have an old International with a Detroit 6V53 for a few weeks and the gas powered pressure washer only took the dust off, and a few chunks that made a mess in the driveway. Everything under the the engine was still just as grimey as before!
I used to wash A/M32-86Ds, the 4-71 Detroit Diesel-powered flightline generators the Air Force used for decades. They were always horribly grimy. We had a lift in the wash rack that we would put them on, and then we'd have to scrub them clean. If a -71's not leaking oil, it doesn't have any in it, and the radiator fan blows from the engine outward, so the radiator was always caked with oil and trash. We could get them clean, but it takes a lot of hot water, and you're usually drenched when you finally get it done. Don't wear your best uniform!
 
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