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Home > Help Needed / General Tech Chat > How to check the psi of an actuator

Stig

397 Posts
Member #: 694
Senior Member

Shropshire

Hi all

Recently I purchased a t2 turbo off a renault 5 however I cannot move the actualtor by hand like i used to with the actuator off the t3. Does this mean its knackered?

If not what would you surggest to free it up. Also is there any way of checking the psi output of the actuator?


Turbo Shed

1303 Posts
Member #: 30
Post Whore

Epsom, Surrey

R5's run higher boost so the actuator is stiffer


Stig

397 Posts
Member #: 694
Senior Member

Shropshire

Not suprised about the higher boost but i need a pair of pliers to move the actuator


joeybaby83

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6274 Posts
Member #: 509
Post Whore

Isle of Man

high psi actuators are bloody strong

"Turbo's make torque, and torque makes fun"

"did you know you can toast potato waffles?"



iain
Site Admin

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8506 Posts
Member #: 16
Sold the turbo and seeing what the C20XE can do!

Near Lincoln

i've got a 14psi (think renaults are 10psi) and its very very hard to move.

metro's are very easy, probably the lowest rated actuator you can get i'd guess.


iain
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8506 Posts
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Sold the turbo and seeing what the C20XE can do!

Near Lincoln

oh and to test, some sort of air supply, bleed valve/regulator, and a boost gauge will show you how much pressure it takes to start to move the arm.


welshdan

2096 Posts
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Post Whore

s wales

so what if i put a mg metro actuator with a recon nissan pulsar turbo? sorry 4 stealing the post, need to know tho!


RogerM

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2514 Posts
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I like nice quiet girly Minis

Cheltenham, Gloucestershire

4psi of boost before a bleed valve I'd have thought.

As a rule of thumb try to use the highest rated actuator you can for your min boost requirement, much better than bleeding loads off IMHO

Every day is a school day ...........

How fast and how expensive ...... the same question...

On 27th of Sep, 2007 at 12:45pm Jimster said:

why do you you think I got a girlfriend with small hands?


Turbo Shed

1303 Posts
Member #: 30
Post Whore

Epsom, Surrey

or get a boost controller as they done bleed off air


RogerM

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2514 Posts
Member #: 1217
I like nice quiet girly Minis

Cheltenham, Gloucestershire

Even better but aren't they slightly pricey?

Every day is a school day ...........

How fast and how expensive ...... the same question...

On 27th of Sep, 2007 at 12:45pm Jimster said:

why do you you think I got a girlfriend with small hands?


Turbo Shed

1303 Posts
Member #: 30
Post Whore

Epsom, Surrey

they can be and thats why ive got a bleed valve. i will get one at some point.


wil_h

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Betwix Harrogate and York


On 11th of Jan, 2007 at 02:41pm Stig said:
Not suprised about the higher boost but i need a pair of pliers to move the actuator


Sounds about right to me. my 15psi one is unmovable. I use a footpump to force it out when putting it on. but the old 4psi one was easy to move.

I have an R5 T2 one at home somewhere, I'll see what it's like if I remember.

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.


Joe C

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12307 Posts
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Carlos Fandango

Burnham-on-Crouch, Essex

as a (very!) rough estimate...

times the area in sq inces of the actuator diaphram by the pressure it will see, tis will be some where near the weight of the spring

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

https://joe1977.imgbb.com/



t3gav

2395 Posts
Member #: 229
Gavin@minispares.com

kent

Pulsar turbo is way too big for a mini btw!


RogerM

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2514 Posts
Member #: 1217
I like nice quiet girly Minis

Cheltenham, Gloucestershire

Can also use an airline, most painting regualtors are quite accurate.

Every day is a school day ...........

How fast and how expensive ...... the same question...

On 27th of Sep, 2007 at 12:45pm Jimster said:

why do you you think I got a girlfriend with small hands?

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