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Holset wastegate conversion
https://slantsix.org/forum/viewtopic.php?t=60938
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Author:  Ccrussell [ Tue Mar 28, 2017 8:29 am ]
Post subject:  Holset wastegate conversion

Hello,
I purchased a used Holset hx35. Is currently internally wastegated, and i would like to convert it to external wastegate for better control.
One of two ways to achieve this; i can change the exhaust housing to eliminate the internal, or purchase a block off plate to accomplish the same thing. I am not sure exactly how the other components will attach (wastegate and exhaust pipe).
$135 for the housing, or $35 for the block off plate.
Any thoughts?

Author:  Joshie225 [ Tue Mar 28, 2017 9:12 am ]
Post subject: 

Unless this is a competitive race application (and I can tell it's not because you're not using a $2500 ball bearing turbo) I would save the money and use the internal wastegate with a lower pressure actuator.

Author:  Ccrussell [ Tue Mar 28, 2017 10:58 am ]
Post subject: 

Thanks,
Appreciate to speedy reply. Will search for what you suggest.
Hoping to find something starting with 5 psi, that i might creep up to 10 plus psi.
Russ

Author:  ProCycle [ Tue Mar 28, 2017 12:26 pm ]
Post subject: 

I got a nice adjustable waste gate actuator from Kinugawa

It fits nice on the Holset - half way down this page:

http://www.slantsix.org/forum/viewtopic ... c&start=75

Image

Author:  Junior [ Tue Apr 04, 2017 6:00 pm ]
Post subject: 

hx35 is a lot of turbo for that little bit of boost. you could go much smaller and make i more responsive and still push what you are looking for. i doubt the hx is in its efficiency range at that low flow.

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