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Oil pressure sensor T piece install - copper washer?
http://www.ozdat.com.au/forum/viewtopic.php?t=34989		 Page 1 of 1
Author:  K1600 [ Thu Aug 26, 2021 10:06 pm ]
Post subject:  Oil pressure sensor T piece install - copper washer?
Hi,

Currently installing a mechanical oil pressure gauge on an L20b.

When removing the oil pressure sensor and installing the brass T piece do I need a copper washer?
Author:  trb012 [ Fri Aug 27, 2021 9:27 am ]
Post subject:  Re: Oil pressure sensor T piece install - copper washer?
Just some thread sealant will be fine as the T piece generally don't go all the way into the block. Be sure to use a steel one as well as the brass kind can crack over time and break off in the block. Ask me how I know.....
Author:  K1600 [ Fri Aug 27, 2021 10:39 am ]
Post subject:  Re: Oil pressure sensor T piece install - copper washer?
Thank you for the advice trb, much appreciated.

Didn’t realise the brass wouldn’t last.
Author:  Mastadd240k [ Fri Aug 27, 2021 1:36 pm ]
Post subject:  Re: Oil pressure sensor T piece install - copper washer?
trb012 wrote: *Fri Aug 27, 2021 9:27 am
Be sure to use a steel one as well as the brass kind can crack over time and break off in the block. Ask me how I know.....
How do you know this? :lol: :lol:
Author:  Nissanman [ Fri Aug 27, 2021 9:48 pm ]
Post subject:  Re: Oil pressure sensor T piece install - copper washer?
Never experienced a failure with brass fittings.
It may be a result of a faulty casting?
Author:  trb012 [ Tue Aug 31, 2021 9:11 am ]
Post subject:  Re: Oil pressure sensor T piece install - copper washer?
Mastadd240k wrote: *Fri Aug 27, 2021 1:36 pm
trb012 wrote: *Fri Aug 27, 2021 9:27 am
Be sure to use a steel one as well as the brass kind can crack over time and break off in the block. Ask me how I know.....
How do you know this? :lol: :lol:
Racing up at the Temora 1000 a few years ago 1hr before racing starts I noticed a puddle of oil under my car. Brass T piece had snapped off clean at the block I was very lucky to get the broken bit out with an easy out then continue on. After that I made an oil distribution block and remote mounted my sensors to prevent it happening again I also used a steel t piece haha.
Author:  Nissanman [ Tue Aug 31, 2021 11:10 am ]
Post subject:  Re: Oil pressure sensor T piece install - copper washer?
Probably due to vibration causing fatigue in the "T".
In a race car that would be a killer :(
Author:  trb012 [ Tue Aug 31, 2021 3:04 pm ]
Post subject:  Re: Oil pressure sensor T piece install - copper washer?
Yep 100% mate the vibration along with the weight that was on it wouldn't have helped
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