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Home > Technical Chat > Bushed idler gear | |||||||
![]() 509 Posts Member #: 1027 Post Whore Germini, black forrest |
15th Feb, 2012 at 10:17:08pm
Hi!
[X] nail here for new monitor |
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![]() 130 Posts Member #: 9395 Advanced Member |
16th Feb, 2012 at 12:44:36am
On 15th Feb, 2012 Asphalt said:
We've all seen harrys pressure fed idler gear I've not seen it, do you have a link - I've searched this forum but can't find anything |
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![]() 509 Posts Member #: 1027 Post Whore Germini, black forrest |
16th Feb, 2012 at 07:11:21am
Here you go: http://minifreunde.at/harry/links/oilpressure.htm [X] nail here for new monitor |
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![]() 5988 Posts Member #: 2024 Formally Retired Rural Suffolk |
16th Feb, 2012 at 07:47:35am
The details of Harry's mod has come up before and it has allways surprised me that it works.
Schrödinger's cat - so which one am I ??? |
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![]() 509 Posts Member #: 1027 Post Whore Germini, black forrest |
16th Feb, 2012 at 11:39:30pm
On 16th Feb, 2012 Rod S said:
The details of Harry's mod has come up before and it has allways surprised me that it works. As a general rule, roller bearings don't like to be pressure fed, especially not needle rollers or high speed bearings - if they are over-fed with oil, the rollers stop rolling and start sliding. Especially true of needle rollers because their small diameter means they have to revolve very fast and they usually don't have a cage so rub against each other which means they don't like to roll in the first place. But it is a general rule so maybe what Harry is seeing is improvement on the thrust washers wear rate is covering up any wear on the needles. So, back to the question, if I was doing a pressure fed setup, I would use plain bearings in preference. But it's only theory unless someone tries it..... Hmmmm... Maybe the tight packing of needles & pressurised oil outweight one anothers negative effects? [X] nail here for new monitor |
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![]() 11046 Posts Member #: 965 Post Whore Preston On The Brook |
17th Feb, 2012 at 07:40:45pm
The idler bearings are not pressure fed, just gravity fed in the normal way. It's only the thrust bearings that are pressure fed. On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be... So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'... On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........ |
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