DIY Si
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| posted on 12/1/09 at 09:19 PM |
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valve train
Evening all.
Just a quick question. When stripping an engine you try and keep all the valve gear in sets, ie valve, springs, collets etc. Does this include the
hydraulic tappets too? Just so I don't go and lose them, or bugger anything up.
“Let your plans be dark and as impenetratable as night, and when you move, fall like a thunderbolt.”
Sun Tzu, The Art of War
My new blog: http://spritecave.blogspot.co.uk/
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bigrich
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| posted on 12/1/09 at 09:39 PM |
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its good practice to keep all components in order to refit in their original positions
A pint for the gent and a white wine/fruit based drink for the lady. Those are the rules
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big_wasa
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| posted on 12/1/09 at 09:41 PM |
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They should be put back in the same order as they come out in. Each tappet to each lobe of the cam that they where on.
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DIY Si
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| posted on 12/1/09 at 09:46 PM |
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I only ask, as I have read that with hydraulic tappets it's not so important, as it's ok, apparently, to change the cam without the
buckets and vice versa.
“Let your plans be dark and as impenetratable as night, and when you move, fall like a thunderbolt.”
Sun Tzu, The Art of War
My new blog: http://spritecave.blogspot.co.uk/
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blakep82
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| posted on 12/1/09 at 10:08 PM |
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it probably will be ok, but i'd say its best to refit in the same places
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MikeRJ
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| posted on 12/1/09 at 11:06 PM |
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Cam followers MUST always be kept with their original cam lobe.
Springs, collets etc. are less important, but it;s good practice to keep mating parts together.
[Edited on 12/1/09 by MikeRJ]
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02GF74
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| posted on 13/1/09 at 09:43 AM |
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quote: Originally posted by DIY Si
I only ask, as I have read that with hydraulic tappets it's not so important, as it's ok, apparently, to change the cam without the
buckets and vice versa.
the underlying principle of hydraulic followers and solid followers isthe same.
both have a surfcae that spins (or should spin) on top of a cam lobe.
if you remove cam, to refit later with original followers, you should refit the followers, regardless if hydraulic or not, to the same lobe or else
use new followers.
It is bad practise to use old followers on a new cam - I am not 100% convince this is the case as long as the followers show next to no wear - but
then wheare does one draw the line as to measuing "next to no wear"?
Followers are usually much cheaper than a cam so it is not worth the risk using worn ones to bu**er up a new cam.
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