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Hks Actuator Problem

DaveO74

By DaveO74,
in Engines & Forced Induction

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DaveO74 Mentor

DaveO74

Posted
Posted

I bought a HKS adjustable actuator from a trader on these forums to go with my Highflow and I have been trying to set it to 11psi until I can get my tune and it dosent seem to fit.

If you look at the following pics hopefully this will make some sense.

post-31195-1237284182_thumb.jpg

This is the new Highflow with the standard actuator(Modified to 14psi by Hypergear)

post-31195-1237284302_thumb.jpg

Now you will see on this Photo the distance from the bracket bolts to the wastegate pin is approx 150mm

post-31195-1237284446_thumb.jpg

This is the bracket for the HKS actuator which will have it set back a little closor to the Wastegate pin (approx 130mm)

post-31195-1237284617_thumb.jpg

Now one with the total lenght of the new actuator (approx 190mm)

post-31195-1237284760_thumb.jpg

You will see on this one that the adjustable shaft is only about 100mm long

Now I have come across an installation pdf on the web which states that to set the actuator at 0.8Bar or 11.60psi the total shaft length should be 123mm, but as you can probably see on the pictures it just dosent look like it will reach.

The only way that it looks like it will even come close to fitting is to have the shaft almost wound totally out in which the thread is only holding on by maybe 10mm and as such heaps of play.

Is it just me or have i been dudded??

Has anybody out there had this trouble before??

It may be a noob thing but it just dosent look right to me cause even if i wanted to set it at .5Bar (128mm) I cant even screw it down close to that. What can I do??

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https://www.sau.com.au/forums/topic/261555-hks-actuator-problem/
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hypergear Grand Master

hypergear

Posted
Posted (edited)

Fit the bracket first. if the rod is too long then just cut it short, with those adjustable actuators remember to pre-load about 3mms above the wastegate arm, pull and force in.

Also mark the factory wastegate bracket possition on the housing before you remove it. In case you have to put it back on, you need to put it back on where it was.

Edited by hypergear
  • 5 months later...

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