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Old 09-22-2015, 02:40 PM   #1
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Default Need ideas mounting IWG actuator

All,

I have a GT2860RS, FM manifold, and TDR i/c which requires the compressor outlet to point up.

I need ideas mounting the (internal) wastegate actuator, short of fabbing a custom bracket. (Or ideas how to do that easily).

The compressor outlet is in the way, and the canister needs to be mounted at an angle. There are 2 possible positions for the can:

1) far away and low ... a straight actuator rod will work, and I just need an extension from ATP turbo (local). I prefer this option but bracket will be more difficult to fab.

2) closer but high ... actuator rod needs to bend down towards flapper valve which means $80+ for an actuator with a bent arm ... actuator can needs to sit at a pretty sharp angle i.e. its rod axis is not parallel to turbo shaft

Photos of both positions below.





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Old 09-22-2015, 02:50 PM   #2
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Photos are busted...

--Ian
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Old 09-22-2015, 03:43 PM   #3
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impossible without either custom bracket or welding on mounts to the compressor cover

see here:
https://www.miataturbo.net/build-thr...6/#post1184810
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Old 09-22-2015, 03:46 PM   #4
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Old 09-22-2015, 03:48 PM   #5
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Old 09-22-2015, 11:00 PM   #6
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Hmm the first ebat link above will position the actuator up high and will require an actuator with a bent arm.

The 2nd one might have worked but it will hold the actuator at the wrong angle.

Last edited by JasonC SBB; 09-23-2015 at 02:18 PM.
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Old 09-23-2015, 08:40 AM   #7
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i was looking for something more like this for cheaper:

ATP Wgt 027 Wastegate Bracket for GT25R GT2554R Turbo | eBay





that should be able to mount it just like this:





I dont see any problem with that angle whatsoever.


but you might need to fab something to mount the way i illustrated, i think this one mounts differently on teh front of the compressor, not the rear plates that hold the housing to the backing plate.


need to find this one:




maybe FM or Begi has old stock of them from really early kits?
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Need ideas mounting IWG actuator-80-_12_9acdf706616996d751d9ba3338125180259c0e04.jpg   Need ideas mounting IWG actuator-80-wastegatebracket_efed5c1c20d6cb8b4d20070d50d9335828f9c134.png  
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Old 09-23-2015, 08:25 PM   #8
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Gt2860rs and similar had bent arms from Garrett. Just get the right arm.
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