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PostPosted: Thu Aug 26, 2021 10:06 pm 
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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?


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PostPosted: Fri Aug 27, 2021 9:27 am 
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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.....

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PostPosted: Fri Aug 27, 2021 10:39 am 
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Thank you for the advice trb, much appreciated.

Didn’t realise the brass wouldn’t last.


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PostPosted: Fri Aug 27, 2021 1:36 pm 
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trb012 wrote: *
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:

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PostPosted: Fri Aug 27, 2021 9:48 pm 
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Never experienced a failure with brass fittings.
It may be a result of a faulty casting?

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PostPosted: Tue Aug 31, 2021 9:11 am 
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Mastadd240k wrote: *
trb012 wrote: *
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.

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PostPosted: Tue Aug 31, 2021 11:10 am 
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Probably due to vibration causing fatigue in the "T".
In a race car that would be a killer :(

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PostPosted: Tue Aug 31, 2021 3:04 pm 
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Yep 100% mate the vibration along with the weight that was on it wouldn't have helped

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