Under piston oil spray jets for Zetec's....
10-01-2007, 11:01 PM
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Originally Posted by dave cos4x4
Originally Posted by Shorty
Originally Posted by dave cos4x4
would a late cossie one fit Dave. 
Jonno, just been on Mountunes site, £200 for a set!
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any more pics at how they fit in?
11-01-2007, 01:22 PM
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Originally Posted by fudgeass
danny, there is basically a hole that goes into a high pressure oil feed, then then a smaller tapped hole to screw a screw in to hold them in place.
the jets themselves have a ball bearing in them to stop the oil returning back into the feed
the jets themselves have a ball bearing in them to stop the oil returning back into the feed
11-01-2007, 01:31 PM
#23
Originally Posted by Danny B
Originally Posted by fudgeass
danny, there is basically a hole that goes into a high pressure oil feed, then then a smaller tapped hole to screw a screw in to hold them in place.
the jets themselves have a ball bearing in them to stop the oil returning back into the feed
the jets themselves have a ball bearing in them to stop the oil returning back into the feed
my pistons slightly touched the jets, so i had to very slightly bend them round a bit more, they are not dead straight like i have drawn, the ends have a slight curve to them.
11-01-2007, 01:37 PM
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Originally Posted by Franco
Originally Posted by StickerPaul
What you up too...........
it might involve being blown also.
11-01-2007, 01:41 PM
#25
The late 4x4 cosworth pistons have a slight notch in the skirt to avoid contact with the jet - maybe the same could be done to the pistons in the other engines
Question is - can these zetec jets be retro fitted to a YB block that does not have jets fitted if the existing oilways were tapped into, as the cosworth ones are very pricey
Question is - can these zetec jets be retro fitted to a YB block that does not have jets fitted if the existing oilways were tapped into, as the cosworth ones are very pricey
13-01-2007, 06:06 PM
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yes i is not uncommon for them to get snap'd off on the zetec engines and end up laying about in the bottom of the sump.
that is why our pistons have been machined with a amall notch to clear them. reliability
that is why our pistons have been machined with a amall notch to clear them. reliability
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