Boooost gauge

Bigman685 · Apr 23, 2014

Morning guys I'm wanting to fit a boost gauge so I can keep a eye on things does anybody have a picture of where they've fitted there's under the bonnet? I'm not clued up on what pipes what in there

or tapping the manifold outta my skill zone I think
Also anyone got a spare gauge and pipe kicking about ?

timtheenchanteruk · Apr 23, 2014

not got a pic, but its easy.

you just need a "T" peice, theres a pipe come off the back of the turbo, and goes round to the injection pump, cut it, insert T and jobs a good un.
I cut mine close to the turbo, theres enough slack in it to reconnect it up minus the gauge if I ever need to then.

Boris113 · Apr 25, 2014

It depends where you want to measure the boost. If you want to see the boost that the turbo produces then place it where Tim suggested.

The other place is to install it is by tapping a hole in the inlet manifold. This will show the actual boost pressure that the engine receives, helping identify pressure loss throughout the intercooler and pipework. There is a handy threaded hole on the rear of a 300tdi inlet manifold, just by the heater pipes

I'm going to fit mine in Tim's location first to check the turbo isn't faulty, then move it to check for any problems with pipework, but thats more because of on-going turbo faults.

Mark L · Apr 25, 2014

Boris113 said:
There is a handy threaded hole on the rear of a 300tdi inlet manifold, just by the heater pipes

I'm

That's exactly where I fitted mine. Zero drilling or cutting of pipes required.
I bought the required brass plug and boost pipe adapter from Demon Tweeks.

Bigman685 · Apr 25, 2014

Ah thanks guys I'll get on it

Bigman685 · Apr 25, 2014

Any chance of a link to the brass plug needed?

Mark L · Apr 25, 2014

Bigman685 said:
Any chance of a link to the brass plug needed?

Mine isn't 90 degrees but I'd recommend it as it is a bit tight between the inlet manifold and the bulk head.

One of these:
http://bit.ly/VKNdfW

That screws into one of these:
http://bit.ly/QM9JcJ

Better to ring Demon Tweeks though to make sure you get the right size as they do vary.

Bigman685 · Apr 25, 2014

Lovely thnk you , one more question if I may what thread does the male thread need to be and do i need long or short type please

Cheers

Mark L · Apr 25, 2014

I honestly can't remember the exact sizes, as it's been a while since I carried out the mod.

Def go for short IF you can get it.
At the time I bought mine, they did a long and a short version but then switched to a medium version only due to manufacturing costs etc.

Boooost gauge

Bigman685

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timtheenchanteruk

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Boris113

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Mark L

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Bigman685

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Bigman685

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Mark L

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Bigman685

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Mark L

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