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Gtir Motorsport club » Tech room » Help and Advice » 1 bar loop, only 0.5

1 bar loop, only 0.5

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1 1 bar loop, only 0.5 on 7th June 2017, 7:21 pm

Gaz GTiR

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Alrite guys. Anyone know what size restrictor i need for the vac line from inlet to actuator? Ive put a 1.2 welding tip in but only getting 0.5 bar???

2 Re: 1 bar loop, only 0.5 on 7th June 2017, 8:55 pm

shroom

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Might be easier just to buy one of the Dawes devices ? Cheap and can get it spot on 1 bar. I do have one of those restrictor pipes in my glovebox I think so may be able to check if no one knows

3 Re: 1 bar loop, only 0.5 on 7th June 2017, 9:03 pm

Gaz GTiR

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Cheers shroom, yeh its only tempoary so just need to know restictor size realy

4 Re: 1 bar loop, only 0.5 on 9th June 2017, 7:45 pm

markface


Think it may be 2.8mm?? I just poked a drill bit through mine to measure

5 Re: 1 bar loop, only 0.5 on 9th June 2017, 10:55 pm

Gaz GTiR

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2.8 realy? Shocked

6 Re: 1 bar loop, only 0.5 on 10th June 2017, 6:35 am

johnny gtir

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moderator
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Gaz I could be miles off the mark but ain't you going the wrong way 1.2 something is telling me 0.8 or something

If your getting 0.5 that would say your not getting enough restriction but like I say mate I could be miles away

7 Re: 1 bar loop, only 0.5 on 10th June 2017, 7:14 am

johnny gtir

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Here short arse seeing as you to lazy to search lol oh and you owe me a rep point

http://www.gtir-motorsport-club.com/t2520-what-size-restictor-in-actuator-line

8 Re: 1 bar loop, only 0.5 on 10th June 2017, 12:30 pm

Gaz GTiR

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Haha chreers johnny, ive tryed the 1.2 & 0.8 & im still getting 0.5 bar... ive given up with it tbh as its just not working

9 Re: 1 bar loop, only 0.5 on 10th June 2017, 12:53 pm

shroom

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Something like this would be fine for your requirements and safe a lot of time.

http://www.ebay.co.uk/itm/220537042109

10 Re: 1 bar loop, only 0.5 on 10th June 2017, 3:26 pm

johnny gtir

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moderator
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@Gaz GTiR wrote:Haha chreers johnny, ive tryed the 1.2 & 0.8 & im still getting 0.5 bar... ive given up with it tbh as its just not working
something not piped right mate

11 Re: 1 bar loop, only 0.5 on 10th June 2017, 7:50 pm

nomad

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Admin
Admin
0.5 is the wastegate pressure the other 0.2 comes from the restrictor pipe .... so would say you havent got it right somewhere ...


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12 Re: 1 bar loop, only 0.5 on 10th June 2017, 8:51 pm

Gaz GTiR

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With the vac line running from actuator to inlet & restrictor in the vac line im gettin 0.5... if i tee into the vac line & bleed it in to the intake pipe im getting unlimeted boost!

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