oliwb
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| posted on 2/1/07 at 09:34 PM |
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Gudgeon Pins and Cracked Pistons?
If I remove the gudgeon pin thus seperating the piston and conrod can I re-use the old gudgeon pins or do I need to buy new ones? Also two of my
pistons have scores in the crowns. I'll try and take a pic tomorrow and post it but should I try to get new ones in case its really a crack???
Cheers Oli.
If your not living life on the edge you're taking up too much room!
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ch1ll1
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| posted on 2/1/07 at 09:37 PM |
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im sure they should be sweated on,
what zetec is it? but that might just be the 2.l black top
as for using old im not sure
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jollygreengiant
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| posted on 3/1/07 at 05:03 AM |
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Buy a piston and you normally get a free matched gudgeon pin with it. They come as a pair normally. And I believe they are a press fit.
Beware of the Goldfish in the tulip mines. The ONLY defence against them is smoking peanut butter sandwiches.
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oliwb
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| posted on 3/1/07 at 09:32 AM |
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They are, I'm sure, a press fit. Does that mean I can't re-use them then? I'll get a pic of the piston crown. Don't really
want to go to all this effort and have a piston split in two! Oli.
If your not living life on the edge you're taking up too much room!
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paulf
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| posted on 3/1/07 at 10:46 AM |
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The pin is a tight fit in the rod and the piston rotates around it.To press them out you will require a press and a fixture to locate the piston
against .This could be a bit of tube big enough to allow the gudgeon pin to fit in and shaped to fit the piston like a veeblock on the end. It needs
to be a good match to the piston and have no sharp edges to avoid damaging the piston.
If reusing the original pistons it is fine to refit them with the original pins , just make sure they are kept together and fitted the same way as
they came out.
Paul.
quote:
Originally posted by oliwb
They are, I'm sure, a press fit. Does that mean I can't re-use them then? I'll get a pic of the piston crown. Don't really
want to go to all this effort and have a piston split in two! Oli.
[Edited on 3/1/07 by paulf]
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