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Any tips on cleaning engine parts?


jrhone

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I have a set of DCOE 40s that have sat on the shelf for a few years. I'd like to clean them up and make them look new...ideas? Tips? Thanks!

1976 BMW 2002 Fjord Blue Ireland Stage II • Bilstein Sports • Ireland Headers • Weber 38 • 292 Cam • 9.5:1 Pistons • 123Tune Bluetooth 15" BBS

2018 BMW M550i X-Drive

1964 Volvo Amazon Wagon
http://www.project2002.com

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Get a gallon of carb dip. Pour it into a container large enough to completely submerge the aluminum housing of the carb, once disassembled.

Make sure you soak all parts OVERNIGHT. Use flux brush / acid brush to clean off any residue. rince with water and blow dry with compressed air. Carb dip is amazing stuff.

If you want to preserve the dark patina, using a medium thick slurry of baking soda and water works well, for the stubborn parts.

Street value of these carbs: $12k. I wasn't taking any chances.

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Paul Wegweiser

Wegweiser Classic BMW Services

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I recommend soda blasting as well. Baking soda washes off easily which is very nice.

Another method I really like is boiling the carb in some water with a high concentration of lemon juice. Leaves a nice finish (slightly less shiny than soda blasting) and gets into the crevices very well.

You have to disassemble for either method in order to do it right. Replace the common wear items while you are in there (throttle shafts, etc). And if you know how, modify other things to improve performance (thin throttle shafts, taper throttle plates, etc)

1974 Grey European Market BMW 2002 

1976 Yellow BMW 2002 "GOLDENROD" SOLD

1972 Yellow Austin Mini 1000

A bunch of Bikes...

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Another one for soda blasting here. I'm even using the cheap DIY method with a plastic container as a cabinet, small compressor and sucking up arm and hammer baking soda via venturi effect with a nylon hose and an air gun.

Nice results much better finish than sand blasting and ofc you don't want to sand blast a carburetor.

I'm no longer affiliated with Maximillian Importing Company in any way, please address any questions directly to them.  -Thanks.

2002 "tii" coupe 1970
E21 320/6 2.7 Stroker 1981
E23 730 1978

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