97' 1.8 T28 AVO kit - Miata Turbo Forum - Boost cars, acquire cats.

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Old 08-11-2007, 10:15 AM   #1
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Default 97' 1.8 T28 AVO kit

First dyno under turbo power wasn't too bad. 11 PSI, 12:1 A/F, no detonation. Details are:

T28 BB, AVO cast manifold/2.5" Avo downpipe
440cc WRX Injectors
Stock exhaust

I've got the FIC pulling ~10 degrees out, base timing at 6. I could probably bump base timing up a hair but it's fine for a quick/safe tune. I'm waiting for a couple new features in the next FIC software release before I strap her down again. According to Henry @ AEM, I should have that release in my hands soon. The other plot was my bone stock run. The car feels like it has a larger N/A motor now. I can't complain.

P.S. I'm aware the stock exhaust is a restriction but I like the silence. I tune/build cars at a shop here in VA, I deal with headaches everyday.


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Old 08-11-2007, 02:35 PM   #2
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hey, 200 HP in a miata is nothing to sneeze at, I bet it does feel like a "larger NA Motor" now. I also understand that quiet is nice because my exhaust gets annoying driving for any longer than 30 minutes.
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Old 08-31-2007, 04:12 AM   #3
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Sweet it's nice to see people using the f/ic. I may go with that after I have gotten my kit situated and learned a bit more about tuning and that stuff. Did you find tuning the f/ic complicated? When I looked at the software all I saw was a giant grid of numbers and I had no idea where #s were to be put in to tune injectors and all I got on ignition was that -# took away timing.

Oh and nice dyno. It looks like things get a lot more exiting at 3.5k! I hope I can get #'s close'ish to those.
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Old 09-01-2007, 04:54 PM   #4
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well you probably should fix your timming 6 btdc base timming is silly run 10 and you should still be fine + you will most likely only need 7-8 psi to hit 200whp.
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Old 09-01-2007, 05:05 PM   #5
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the stock exhaust looks like it's killing about 40-50whp.
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Old 09-27-2007, 01:38 PM   #6
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Looks good!

Last edited by drewbroo; 09-27-2007 at 01:39 PM. Reason: nevermind
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Old 09-27-2007, 01:57 PM   #7
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dunno how i missed this post.

looks great! bet it's a blast. what exact turbo it is? looks like a great 200rwhp turbo.
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Old 01-31-2008, 01:41 AM   #8
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looks like something id like
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Old 04-13-2008, 02:05 PM   #9
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im sure you can find an AM exhaust that is quiet. Even if its only 2.25 pipe or similar it will be a big improvement at the high flow you are pushing now. If you keep a cat on the car that helps a lot too.
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Old 04-13-2008, 03:56 PM   #10
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Nice numbers, wonder exactly how much the stock pipes are killing it..

Maybe a cutout, either boost or manually activated?
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Old 05-28-2008, 10:13 AM
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