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Old 12-08-2015, 05:12 PM   #101
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I still can't get over the crooked radiator.

I said the same thing on the FB page


"The only way to get it all to clear," replied the previous owner

But hey, if it worked for someone...well, not that it makes any difference now. The OP can just spend a bunch of dosh replacing everything.
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Old 12-08-2015, 05:17 PM   #102
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it was just a 8" ******* 2.5 i.d. pipe that I removed
Replaced with?
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Old 12-08-2015, 05:26 PM   #103
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There are 4 things that could be wrong.

Exhaust gas is getting around the turbine somehow (wastegate issue)

Turbine isn't spinning the compressor wheel (interference, too much backpressure)

Boost is escaping between the compressor and head (intake leaks)

Compressor isn't producing boost.

Check all those things and you will have your answer.
Turbine is spinning the compressor,

we know the compressor is producing boost but its because the turbine isnt getting enough heat/air.
I removed the dp and still no boost with load

I do need to check the IM to make sure there isnt a massive leak however the car runs fine so I dont feel as though thats the culprit. WG flapper isnt cracked or chipped.
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Old 12-08-2015, 05:27 PM   #104
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How do you know the compressor is producing boost.
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Old 12-08-2015, 05:28 PM   #105
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Oh god, so you're the one that bought the car that was posted on the DMV Miata group. Welcome, and get ready to do some work saving this. Might want to connect that janky vacuum line back onto the BOV.
When the line was connected it opened up and introduced unmetered air so the car would stall . BOV IS NO LONGER IN THE SYSTEM.
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Old 12-08-2015, 05:29 PM   #106
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I still can't get over the crooked radiator.
It has been fixed.
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Old 12-08-2015, 05:31 PM   #107
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Did someone remove the spring in the BOV?

Where in the area are you? I'd say best bang for buck on this car is to swap a v8. Seriously. I'd be so happy
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Old 12-08-2015, 05:32 PM   #108
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How do you know the compressor is producing boost.
Its not producing boost over 1psi but it is above 0. I connected the maf directly to the TB and held my hand over the outlet of the compressor and could feel significant volume from it just not alot. it was like a little heater with a blower on it
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Old 12-08-2015, 05:33 PM   #109
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Old 12-08-2015, 05:33 PM   #110
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Did someone remove the spring in the BOV?

Where in the area are you? I'd say best bang for buck on this car is to swap a v8. Seriously. I'd be so happy
Thats a long term goal. Right now the car runs drives and idles fine it just doesnt build boost. I live near frederick md
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Old 12-08-2015, 05:33 PM   #111
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That means nothing about what it will produce at full load.

Nothing at all.
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Old 12-08-2015, 05:34 PM   #112
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1 psi is probably gauge error
less than 1psi. I metered with the boost gauge and an external gauge.
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Old 12-08-2015, 05:35 PM   #113
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That means nothing about what it will produce at full load.

Nothing at all.
I understand that however that wasnt your question or at least thats not how I interperted it.
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Old 12-08-2015, 05:37 PM   #114
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Have you tried pressure testing from the turbo inlet? Just hook up a coupler to a Schrader valve on it? Otherwise it may be cost effective just replacing the turbo with a similar version












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Old 12-08-2015, 05:38 PM   #115
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My buddy has done several monster builds I just dont have 10k....yet

But back down to earth I just want 150whp miata.
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Old 12-08-2015, 05:40 PM   #116
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My buddy has done several monster builds I just dont have 10k....yet

But back down to earth I just want 150whp miata.

How about 200whp (under 10k)?


SuperMiata Whammy Race Engine Used












For serious, 150whp is obtainable with a 1.8swap with some mods. Probably even without a turbo
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Old 12-08-2015, 05:44 PM   #117
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Have you tried pressure testing from the turbo inlet? Just hook up a coupler to a Schrader valve on it? Otherwise it may be cost effective just replacing the turbo with a similar version
nope but I have tested the piping from the turbo to the throttle body
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Old 12-08-2015, 05:47 PM   #118
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Originally Posted by psyber_0ptix View Post
How about 200whp (under 10k)?


For serious, 150whp is obtainable with a 1.8swap with some mods. Probably even without a turbo


your missing the point here. lol Though I did see they had that motor used for like $3800 200whp

Once i figure that rats nest of ball sack than I will go with a MS rx7 injectors and up the boost to make around 200 whp.
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Old 12-08-2015, 05:48 PM   #119
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Originally Posted by Hificruzer226 View Post
you're missing the point here. lol Though I did see they had that motor used for like $3800 200whp

Once i figure that rats nest of ball sack than I will go with a MS rx7 injectors and up the boost to make around 200 whp.




No chipped fins on the tarbo? How can you increase the boost if there's no boost to increase?



01 Mazda Miata engine, auto trans & more
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Old 12-08-2015, 05:48 PM   #120
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rx7 injectors are poop
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