Ian Barrett Posted October 5, 2015 Share Posted October 5, 2015 hi all, I apologise for what must be a numpty question to most of you but this is my first foray inside an engine and I don't want to stuff it up by doing something stupid. I have a 200tdi which I've taken the head off and found some light crusty stuff on top of one of the pistons. I had a mate who used to be a mechanic check it for me and he said its OK but just give it a wipe around the bores with some flour paper and blow it out with the airline. Trouble is I can't find Flour paper ie. very very fine sandpaper, and I don't want to bug him as his wife is extremely poorly so he has his hands full enough without minor stuff like this to think about. What would you recommend just to give the bore edge a very light wipe around Is this stuff any use? http://www.sylmasta.com/acatalog/Online_Catalogue_Micro_Mesh_Abrasives_1.html Thanks IanB Quote Link to comment Share on other sites More sharing options...
qwakers Posted October 5, 2015 Share Posted October 5, 2015 I just use scotch pads Quote Link to comment Share on other sites More sharing options...
simonr Posted October 5, 2015 Share Posted October 5, 2015 I believe Long Weights come wrapped in Flour Paper. Quote Link to comment Share on other sites More sharing options...
lo-fi Posted October 5, 2015 Share Posted October 5, 2015 ^ Maybe along with left handed screwdrivers and buckets of steam. Do you mean black carbon crusty stuff? In which case, a spot of carb cleaner and some Scoth Brite pads (or similar) get my vote too. Quote Link to comment Share on other sites More sharing options...
GW8IZR Posted October 5, 2015 Share Posted October 5, 2015 So flour paper is used in cabinet making and is about 200 grit - I used it to finish the stock of an old gun For your purpose I'd use a green scotch pad and some carb cleaner to break it up. Quote Link to comment Share on other sites More sharing options...
mickeyw Posted October 5, 2015 Share Posted October 5, 2015 Crikey, when you said fine I was thinking 1000 or 1200 grit. 200 or 320 is fine for removing the muck of the bores though. Make sure you use a lubricant to stop the paper clogging. WD40, paraffin or similar is ideal for this. Then wipe the bores clean with some paper towel or soft rag. Quote Link to comment Share on other sites More sharing options...
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