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256 Posts Member #: 11017 Senior Member Shropshire |
27th Oct, 2022 at 09:05:06am
I wanted to share my experience getting under crown jets machined and installed on an A series engine. Seems to be a few people asking where to get it done and without the kit/knowledge to do it at home (the guides don't exist, or photos links are dead).
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 2629 Posts Member #: 1246 Post Whore Lowestoft, Suffolk. |
27th Oct, 2022 at 10:33:24pm
Just as a warning to add to this, check clearances of the jets when installed between the jet nozzle and your piston skirt at BDC.
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256 Posts Member #: 11017 Senior Member Shropshire |
28th Oct, 2022 at 04:35:19pm
On 27th Oct, 2022 shane said:
Just as a warning to add to this, check clearances of the jets when installed between the jet nozzle and your piston skirt at BDC. If the facing/plunge cut for the jet body has been cut deep this can make clearance incredibly close. Shane A very good point. I feel i will have to. Also, for those doing the conversion, they're torqued to 9NM. |
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2629 Posts Member #: 1246 Post Whore Lowestoft, Suffolk. |
30th Oct, 2022 at 12:21:10am
Alternate oil jet to use is BMW part no 11 11 1 739 907, these have the ball valve internally.
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256 Posts Member #: 11017 Senior Member Shropshire |
30th Oct, 2022 at 11:22:08am
So do these. |
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