Block cleaning
11-06-2009, 12:24 AM
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Block cleaning
What have people tried and tested when cleaning a block ready for paint? mine has plenty of rust on one side but the other is covered in oil so is ok, whats the best form of attack lol.
11-06-2009, 01:54 AM
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Wash it with tfr aka traffic film revover dry it and get a wire brush and some wire wheels and a drill and get as much possible cleaned with that then get thinners or petrol or paneL wipe and give it a good last scub down then paint a few times with heat proof paint
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11-06-2009, 10:55 PM
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Jako if you dont mind me asking what colour is the blue block as i want to do mine in that colour and also parts for under the escos
11-06-2009, 11:06 PM
#12
dont get it blasted ! its like, people get their heads blasted, steam clean in and think great !
once, took the bungs out the front of a yb head and put the steam cleaner down it and sooo much sand came out it was unbeleiveable !
we never blast anything other than external parts for the presentation
12-06-2009, 04:08 PM
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dont get it blasted ! its like, people get their heads blasted, steam clean in and think great !
once, took the bungs out the front of a yb head and put the steam cleaner down it and sooo much sand came out it was unbeleiveable !
we never blast anything other than external parts for the presentation
apart from the brass bung in the head face all other galleries in the engine are simple straight holes which can be cleaned perfectly well with the proper brushes etc irrespective of what dirt or sand is in them. getting the engine 'cleanish' is a world away from cleaning it properly and in the case of this rusty block any cleaning process will introduce dirt.
removing the bungs is essential for engine preparation
12-06-2009, 04:13 PM
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12-06-2009, 06:01 PM
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if you've only taken the bungs out once as above then that is something you should look at more closely when rebuilding an engine.
apart from the brass bung in the head face all other galleries in the engine are simple straight holes which can be cleaned perfectly well with the proper brushes etc irrespective of what dirt or sand is in them. getting the engine 'cleanish' is a world away from cleaning it properly and in the case of this rusty block any cleaning process will introduce dirt.
removing the bungs is essential for engine preparation
apart from the brass bung in the head face all other galleries in the engine are simple straight holes which can be cleaned perfectly well with the proper brushes etc irrespective of what dirt or sand is in them. getting the engine 'cleanish' is a world away from cleaning it properly and in the case of this rusty block any cleaning process will introduce dirt.
removing the bungs is essential for engine preparation
i
12-06-2009, 07:03 PM
#19
if you've only taken the bungs out once as above then that is something you should look at more closely when rebuilding an engine.
apart from the brass bung in the head face all other galleries in the engine are simple straight holes which can be cleaned perfectly well with the proper brushes etc irrespective of what dirt or sand is in them. getting the engine 'cleanish' is a world away from cleaning it properly and in the case of this rusty block any cleaning process will introduce dirt.
removing the bungs is essential for engine preparation
apart from the brass bung in the head face all other galleries in the engine are simple straight holes which can be cleaned perfectly well with the proper brushes etc irrespective of what dirt or sand is in them. getting the engine 'cleanish' is a world away from cleaning it properly and in the case of this rusty block any cleaning process will introduce dirt.
removing the bungs is essential for engine preparation
13-06-2009, 07:25 AM
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well i'm still confused as to why you think blasting it is a problem. hundreds of millions of engine blocks have been cast using sand. then the parts are machined which introduces swarf into the oil galleries. before the engine is built up with the other parts (which have also been sand cast) the whole lot is cleaned.
the design of the galleries is such that simple gallery brushes can be used to remove all the rubbish in them. 99% of the sand / dirt / old oil deposits in an engine block come out with 1% of the effort. the last 99% of effort removes the last 1% of rubbish. maybe you dont look for the last 1%?
where exactly does the sand go that you have a problem getting at?
the design of the galleries is such that simple gallery brushes can be used to remove all the rubbish in them. 99% of the sand / dirt / old oil deposits in an engine block come out with 1% of the effort. the last 99% of effort removes the last 1% of rubbish. maybe you dont look for the last 1%?
where exactly does the sand go that you have a problem getting at?
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