gt2560r wastegate actuator mods - Miata Turbo Forum - Boost cars, acquire cats.

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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 04-16-2015, 12:41 AM   #1
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Default gt2560r wastegate actuator mods

I clocked my turbo in prep for the mani/dp. I have a few options to mount the factory garrett actuator.

1. Mount on the inside of the compressor housing using one existing hole in the actuator bracket and weld small extension to match the other compressor hole. This will make the arm too long in this location. Can the arms be cut and threaded?

2. Make a bracket to mount it on the outside of the compressor housing using the existing inner bolts as an anchor. Basically it would be an upside down u shape. The arm length would not need to be changed but ideally would need to be rotated 180* to bring the height in line. I dont know if rotating the arm will damage the actuator internally?

3. Sell supplied actuator and buy a bracket and two bolt actuator with a threaded arm. Too easy.
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Old 04-16-2015, 02:56 AM   #2
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I did #3 after I clocked my turbo. The stock actuator not being adjustable wasn't doing it for me. Actually, I made the bracket though
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