GT2860RS making 14 PSI from internal wastegate? - Miata Turbo Forum -Boost cars, acquire cats.

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Old 12-10-2006, 10:39 PM   #1
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Default GT2860RS making 14 PSI from internal wastegate?

I also posted this over @ miata, so sorry if you saw it there too...

Hey all,

Been working at tuning my setup for the last week or so.

The subject is a 1991 1.6 Miata w/ Begi 3 (2860RS) and running on a Link.

I have been making high boost just running from the internal wastegate, around 13-14 PSI.

I have adjusted the actuator rod as far as I can (lengthend the rod) and am still running around 14, thus rendering my boost control soleniod useless as I would like to be running 12 PSI due to the engine being stock.

Does it seem like the wastegate is faulty? I can't imagine that the setting should be that high, but I don't have much experience here.

Any help is appreciated.
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Old 12-11-2006, 02:15 AM   #2
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wastegate might be failed, or is rated for high boost.

can you make it open at all from shooting air into the can?
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