'96 1.8, China 2870, FM log mani, 9psi - Miata Turbo Forum - Boost cars, acquire cats.

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Old 03-04-2013, 01:53 PM   #1
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Default '96 1.8, China 2870, FM log mani, 9psi

'96 1.8, China 2870, FM log mani, 9psi, RX7 460cc, ebay intercooler, sea level, 62*F, 3inch exhaust turbo back, EBC, stock 135k mile engine, stock coils. Dynojet, dyno operator lifted early because of optimistic stock tach.



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Old 03-04-2013, 01:58 PM   #2
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Looks good. 'Grats.
Just fyi your motor can easily take more boost even with 135k miles, but you probably already know that. I'm seeing fairly aggressive spark but very mild boost. I think more boost and less spark would actually be easier on the engine.
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Old 03-04-2013, 02:09 PM   #3
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I bet I know exactly how your car feels:






* I dynoed on a dyno dyanmics and it reads 12% lower than all my dynojet plots. hense the CF.
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Old 03-04-2013, 02:18 PM   #4
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Quote:
Originally Posted by Braineack View Post
I bet I know exactly how your car feels:
Wow! That is eerily close.

Do you also think my timing is too aggressive (19-20 at 9psi)?
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Old 03-04-2013, 02:27 PM   #5
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Old 03-04-2013, 02:27 PM   #6
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I'm running ~18-19 at 10psi. i run 15-16 at 15psi.
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Old 03-04-2013, 02:32 PM   #7
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I am pretty sure I am running more aggressive timing than that on my car and I have seen others who have even more aggressive timing. Especially under 100kpa. Not that you are ever in that region on the track...
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Old 03-04-2013, 02:33 PM   #8
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that's a pretty base timing map; it's safe is what's nice.
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Old 03-04-2013, 03:55 PM   #9
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I don't want it to be risky for detonation if everything gets overheated at the track. Heat soak sets in to everything when the asphalt is 140+degrees and you are running as hard as you can in boost for 20-40 minutes straight. Everything was cooking and breaking at 8psi last summer.
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Old 03-04-2013, 04:00 PM   #10
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Didn't know you track the car. Keep the boost down in that case. Perhaps my term "fairly aggressive" is a bit stretched, but I don't think thats a "base" map. Just my .02

*edit: then again, we have the worst pump gas here in CA, so maybe its fine on your guys' 93 nectar
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