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Home > General Chat > actuator/boost pressure test with actuator/turbo insitu

welshdan

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s wales

15th May, 2012 at 03:07:35pm

i have booked my car in for a rolling road setup at the start of next week.

is there any way that i can test the boost pressure with the car stationary in the garage?

its a cossie actuator, set at a slightly reduced preload. i was hoping for a baseline of around 6psi but would like to test the baseline boost pressure if possible before getting to the rolling road? is there any way that i can do this with an air line and boost pressure gauge?

otherwise i will take the cossie one off and fit a standard metro one for now, and bleed up to the required boost. am i right in thinking that half a hole preload on a standard actuator would give around 4psi as a baseline?

any help or suggestions apreciated, cheers, dan

apbellamy

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King Gaycharger, butt plug dealer, Sheldon Cooper and a BAC but generally a niceish fella if you dont mind a northerner

Rotherham, South Yorkshire

15th May, 2012 at 03:33:24pm

pump up the actuatot with a foot pump.

On 11th Feb, 2015 robert said:
i tried putting soap on it , and heating it to brown , then slathered my new lube on it

*hehe!*

Kean

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2406 Posts
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aka T2clubby

South Staffs

15th May, 2012 at 03:45:48pm

As Andy says, I used to "T" in a pressure gauge and foot pump to see the operating pressure.


welshdan

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s wales

15th May, 2012 at 05:39:59pm

Thanks for the advice chaps. Im not sure that i have a foot pump. Is there any reason why this couldnt be done with an airline with a gauge inline? Cheers, dan

wil_h

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Betwix Harrogate and York

15th May, 2012 at 05:43:42pm

Your plan will work.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


Brett

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Doncaster, South Yorkshire

15th May, 2012 at 06:09:06pm

yep i used my welder reg and co2 cylinder, because its the mots accurate gauge i had

Yes i moved to the darkside *happy*

Instagram @jdm_brett


welshdan

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s wales

15th May, 2012 at 06:23:16pm

cheers chaps. im going to get the compressor fired up with an airline on it, 'T' in a spare boost gauge that i have and give it a go when i get home tomorrow. need to find a suitable t piece in the garage. thanks for the input, dan

welshdan

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s wales

15th May, 2012 at 06:36:06pm

Also what am i looking for? Is it when the arm starts to move or when it has moved full travel? I presume its when it starts to move? Cheers, dan

welshdan

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s wales

16th May, 2012 at 05:48:51pm

i have tested this this afternoon. the wastgate starts to open at 6psi aprox. does this mean that the baseline boost on the car will be 6pi? it has a stiffer spring than the standard metro item, the wastgate fully opens at aprox 15psi. my thought is that when the wastegate starts to open then that will be it? can anyone please clarify this for me? i have the rolling road setup very soon and the operator wants the base actuator psi set to 6 as a safe bet for my engine. cheers, dan
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