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Old 06-25-2010, 05:58 PM
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Fresh from the machine shop cleaning tips for engine block!

ok Ive sent my 200 inline six to the machine shop to clean up the block with .040 pistons cam bearings milled deck and i also included the head to cut the valves and seats meanwhile milling the head .040. to increase compression after deshrouding the valves and porting the bowls. I was just wondering how can i fully clean the block and headsprior to assembly to ensure that everything is Spick And Span??? maybe some bottle brushes wd-40. anyone have any tips on this???? cleaning the hardparts prior to assembly i mean. oh and painting the outside i know is a no brainer with brake cleaner.

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Old 06-25-2010, 06:15 PM
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Use a toilet brush and sea foam or any high power cleaner on the bores and scrub them good. Use WD40 and a paper towel to check them, if the towel shows gray the bores not clean. To clean oil galley`s and small passages I use a gun cleaning kit.
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Old 06-25-2010, 06:57 PM
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X-2 a good detergent. I use lemon dishwashing detergent. (easier on flesh). Clean, clean and spray clean stuff with WD-40 or a anti-rust coating.
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Old 06-26-2010, 12:34 AM
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Agreed on the WD40 or anything similar. I start spraying WD40 as soon as I turn off the water. The faster that water's lifted from the bare metal, the better.
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Old 08-02-2010, 05:33 PM
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ok i have royal purple, ive heard laundry detergent works good?? what about dishwasher detergent?my machine shop reccomended diesel fuel right after washing.Btw i finally have my block back all thats left to get is the timing chain, camshaft, springs and gasket set.
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Old 08-02-2010, 07:49 PM
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Quote:
Originally Posted by 74chevyflat
ok i have royal purple, ive heard laundry detergent works good?? what about dishwasher detergent?my machine shop reccomended diesel fuel right after washing.Btw i finally have my block back all thats left to get is the timing chain, camshaft, springs and gasket set.
If you use any waterborne cleanser- dishwashing liquid is my personal choice- the cast iron will literally begin to rust before your very eyes. You have to start spraying the WD40 or ?? while the block is still damp.

You will rue the day you EVER got diesel fuel all over everything- do not use it! The smell is obnoxious and permeates everything- including your skin. And forget dishwasher soap. IMO it dissolves too slow/hard and is gritty.
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Old 08-02-2010, 08:02 PM
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Next motor, clean the block at home or use a shop that does not use a chemical that will eat out the cam bearings. Cam bearings do not need to be changed on every rebuild. Inspect and proceed.
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Old 08-02-2010, 09:30 PM
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block cleaning

final clean on cylender walls us engine oil on a soft rag it will clean,and stop rust cliff
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Old 08-02-2010, 11:23 PM
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the block had been hot tanked before boring, i was just wondering a solution to mix up to wash it all out with. maybe some mineral spirits mixed with some tranny fluid? or buy a gallon of wd40 and use my insecticide sprayer and a cement mixing tub underneath. all i wanna do is rinse it out and fully cleans the bores. what about gasoline?? lmao. id kill myself smoking a ciggarette. lmao. any suggestions. wd40 i think would be the best thing. and assembly lube could i put the engine together minus the camshaft and have it sitting for a while with a good kind of assembly lube> ifo what brand and type? stp? lucas oil treatment??
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Old 08-03-2010, 03:33 AM
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I use Castrol Super Clean, Greased Lightning or similar cleaner & toilet brush. Then pressure washer. If you are going to store the engine for a while use something thick like STP oil treatment brushed over all metal surfaces to prevent rust. It wont run/drain off like engine oil.
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Old 08-03-2010, 10:48 AM
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Quote:
Originally Posted by cobalt327
If you use any waterborne cleanser- dishwashing liquid is my personal choice- the cast iron will literally begin to rust before your very eyes. You have to start spraying the WD40 or ?? while the block is still damp.

You will rue the day you EVER got diesel fuel all over everything- do not use it! The smell is obnoxious and permeates everything- including your skin. And forget dishwasher soap. IMO it dissolves too slow/hard and is gritty.
I'm with ya 100% on this cobalt . Can't beat Dawn , if they have it in Puerto Rico . Worked heavy equipment 20 + years . Cannot get rid of diesel fuel smell . Wash clothes 3 or more times and smell is still there .
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Old 08-04-2010, 05:43 PM
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yes we have dawn and actually its the only thing i use to wash dishes.when the dishwasher is out of creme cascade. i just need to know what will keep the water off the cylinders as i clean them out one by one?so i dont risk getting them rusty. i have a 5 gallon compressor and air pistol. i was only asking about the diesel to use it to lift the water off the surface. Does anyone have a fool proof way to absolutely clean a block without ruining 500 bucks worth of machine work. on the deck and cylinders.??
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Old 08-04-2010, 05:46 PM
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i already used the pressure washer and royal industrial purple degreaser. it stripped everything clean, then the block was hot tanked , machined and pressure tested. i just want a way to clean it out?>
maybe some gasoline?? diesel works good as a temporary fix to keep the surface from rusting i know cuz the rods have been sprayed with it after shot peening and mounting the pistons. still no rust, and also the cylinder head was sprayed with it. anybody???
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Old 08-04-2010, 05:50 PM
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Quote:
Originally Posted by 74chevyflat
yes we have dawn and actually its the only thing i use to wash dishes.when the dishwasher is out of creme cascade. i just need to know what will keep the water off the cylinders as i clean them out one by one?so i dont risk getting them rusty. i have a 5 gallon compressor and air pistol. i was only asking about the diesel to use it to lift the water off the surface. Does anyone have a fool proof way to absolutely clean a block without ruining 500 bucks worth of machine work. on the deck and cylinders.??
In the little bit of time while you are cleaning the engine you won't get anymore rust than will wipe off with a little WD40 and a soft rag . Just don't trust the WD40 to protect for storage . Wipe it down with motor oil or preferably STP after you are done cleaning and drying with the WD40. It will be fine . BTW . blow the water out of the oil galleys !
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Old 08-04-2010, 06:31 PM
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if wd40 is scarce, what could be used in its place?
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