Trackspeed's '02SE "Acamas" - EFR6758, TSE motor, 400whp or bust - Page 17 - Miata Turbo Forum -Boost cars, acquire cats.

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Old 10-13-2016, 01:43 PM   #321
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4port EBCS really have no limit in comparison to the spring used, I personally ran roughly a 7lb spring and ran 41psi+ with my 4port ebcs, granted that was with EWG and not a Miata. Theyre golden, but for EWG when modulating boost they have a horrible flutter sound that drove me bananas.

Just my .02

Just confirming, but for a dual port internal wastegate the top and bottom ports should be swapped correct?
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Old 10-13-2016, 01:46 PM   #322
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I just confirmed it for myself





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Old 10-13-2016, 01:46 PM   #323
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For an EWG it varies by brand, too.
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Old 10-13-2016, 01:46 PM   #324
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Just confirming, but for a dual port internal wastegate the top and bottom ports should be swapped correct?
Yeah, EWGs pull up on the plunger (bottom port is primary), IWGs push on the flapper (top port primary).
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Old 10-13-2016, 01:47 PM   #325
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Quote:
Originally Posted by aidandj View Post
Just confirming, but for a dual port internal wastegate the top and bottom ports should be swapped correct?
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Old 10-13-2016, 01:48 PM   #326
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For an EWG it varies by brand, too.
Pictured is the Turbosmart ewg, but it still applies the same for the Tial EWGs, I cannot comment on others
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Old 10-13-2016, 01:54 PM   #327
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Just confirming, but for a dual port internal wastegate the top and bottom ports should be swapped correct?
FullRace has this posted on the product page for the TurboSmart EFR specific dual port actuator

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Old 10-13-2016, 02:08 PM   #328
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Originally Posted by Downmented
Pictured is the Turbosmart ewg, but it still applies the same for the Tial EWGs, I cannot comment on others
I was thinking of EWGs that use flappers instead of poppets, but it turns out the Turbonetics one I was thinking of also pulls.

Back to regularly scheduled IWG programming.
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Old 10-14-2016, 11:14 PM   #329
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BKR7EIXs in, pulls clean to 250kpa. Thanks gents

Next step is to get the intercooler swapped out (going back to the Precision 350hp I started with) and get my fuel system all dialed in (Fuelab 535 returnless, Hella SSR, DW300). A little marginal for my 400+whp target but I won't use that map often and I'd rather have more pass-through to the radiator. Also grabbed a SADfab D585 bracket/wires from Aidan and Sean. With all that, it will just be a little tweaking on the wastegate actuator and some dyno time to get it all dialed in. It's actually behaving a lot better at 20psi+ on 91 than I expected it to, so I'm excited to see what it ends up making on gas. I don't want more than 300whp normally, but I'll tune it as high as it wants to go on pump.

Starting to wonder if I should pre-emptively jump to a GM 4-bar MAP sensor.
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Old 10-14-2016, 11:39 PM   #330
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Im getting antsy to get my setup together. can't wait for dynos
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