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Old 05-28-2013, 09:00 PM   #1
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Default Dyno-Re-tune results

I just got back from the re-tunning my car up at Synapse Motorsport in NY. We tuned my car on 93 pump gas for the street as well as a C16 Race tune.

The goal was to try and get a more usable power band out of my engine through cam timing adjustments and tuning the crack pressure on my AEM tru-boost.

Well after playing with the cam gears, we were only able to shift the power about 250rpm sooner. Most of you know that i have really big cams, and they just have to much overlap to try and get the power to come on sooner.

But none the less, the car makes some ******* power.

Pump gas= 395whp 282 ftlbs @ 18psi

Race gas= 462whp 330ftlbs @23 psi

(old tune on C12 = 418whp 287 ftlbs @18psi)

I dont have my graphs yet, waiting on the tunner to email them to me.Should have them tomorrow.

The issue that kept me from pushing a little more boost was my ignition (toyota cop) starting breaking up with more boost that 23psi @ high rpm. Im running as wasted spark. I dont know if that is hurting it alot. Plugs are gapped at .025

All in all im happy, 462hp is more than any miata needs.


Then i come home and go to start my other laptop that it was tuned on and i get a lovely screen that says "NO BOOTABLE DEVICES". So im gonna be so pissed if i lost my ******* tunes.(edit- loose hard drive. all is well again lol)

Last edited by ctdrftna; 05-28-2013 at 09:20 PM.
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Old 05-28-2013, 09:02 PM   #2
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Do you have the old dyno graph?
When you get the new one I can overlay them for you if you would like.
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Old 05-28-2013, 09:19 PM   #3
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Yeah i have the old one, that would be awesome.

Never mind about the computer issue. Hard drive came loose in transport. All good again.
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Old 05-28-2013, 09:25 PM   #4
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LOL, jesus man. Any new videos of this thing since the re-tune? Sounds like you just proved cops are fine for 400+whp.
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Old 05-28-2013, 09:29 PM   #5
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Great numbers, congrats. I can't wait to see the graph. Do you have a build thread? What turbo are you running?
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Old 05-28-2013, 09:31 PM   #6
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I gotta look at them, i dont think i got any vid of the good runs. I was more into learning and tweaking today. Yeah for factory coil packs they hold up well. I dont know if the wasted spark is not letting them recover fast enough even though i have the capacitor in place. I dont feel like putting more into the setup, i just wanna drive



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Originally Posted by pdexta View Post
Great numbers, congrats. I can't wait to see the graph. Do you have a build thread? What turbo are you running?

https://www.miataturbo.net/general-m...drifter-17881/
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Old 05-28-2013, 09:31 PM   #7
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OK time for my ride now...

Awesome numbers
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Old 05-29-2013, 02:01 AM   #8
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............seriously

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Old 05-29-2013, 04:48 AM   #9
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Very nice numbers, needs video.
How did the cam timing turn out? Which cam, how many degrees, sooner/later?
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Old 05-29-2013, 06:17 AM   #10
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We advanced the exhaust cam about 5 degrees. This helped out the mid range a bit and shifted the power about 250 rpm sooner. I was hoping for better results witht the cam timing, but they are just so big that the cam gears can only do so much as far as over lap goes.

My cams have been talked about in a bunch of cam threads. I think my intake cam has to much duration for any turbo setup really. But i still think that cams are worth the money. If i had a 282 cam instead of the 295 cam i have in the intake right now, i would have alot better power curve.

I will try to get the graphs up today
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Old 05-29-2013, 09:34 AM   #11
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It sounds like you need to send some money over to webcam to get something new. This car would be pretty sweet to see at some point. I'm sure we'll run into each other eventually with you being an hour away.

I'm surprised you went to NY to dyno, I know there's a few good shops in your area. ****, one of them has a dyna pack and does miatas IRRC, I want to say randy hall is the guy but I could be remembering wrong. They have the other half of the flatout motorsports dyna pack, because its cheaper to buy an awd dyna pack and an extra computer station than to buy 2 2wd dyna packs.
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Old 05-29-2013, 10:25 AM   #12
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At this point I'm done spending money on this car so the cams I have will stay in. I just like the guys at synapse, they charge me very fairly and are great to work with. They built my turbo manifold and piping so I'm happy with their work. And they let me work on the car and make decisions a lot of tuning shops won't let you be right next to the car when they are tuning.
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Old 05-29-2013, 01:11 PM   #13
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Quote:
Originally Posted by Leafy View Post
I'm surprised you went to NY to dyno, I know there's a few good shops in your area. ****, one of them has a dyna pack and does miatas IRRC, I want to say randy hale is the guy but I could be remembering wrong. They have the other half of the flatout motorsports dyna pack, because its cheaper to buy an awd dyna pack and an extra computer station than to buy 2 2wd dyna packs.
Yeah Randy has a shop in Old Saybrook, but I dont think he actually does any dyno tuning work...and he sure as hell isn't experienced in megasquirt or high hp miatas for that matter. I know a few of his former employees and based on what they have said, I wouldn't be interested.
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Old 05-29-2013, 01:16 PM   #14
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But all you need is a dyno. It shouldnt matter if the shop specializes in horse drawn buggies as long as the dyno works and they under stand when you tell them to have the dyno hold you at a certain rpm... unless you cant tune for yourself...
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Old 05-29-2013, 06:47 PM   #15
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Yeah that is assuming you tune it yourself. Pretty sure he had it tuned by someone else.

I NEED to dyno tune
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Old 05-30-2013, 06:35 PM   #16
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YARRR, still no graphs. I know my tuner was doing driving instruction at Limerock today. Maybe he will send them tomorrow ?
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Old 05-30-2013, 06:45 PM   #17
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Your dyno operator isn't Australian is he?
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Old 05-31-2013, 08:15 AM   #18
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Quote:
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Your dyno operator isn't Australian is he?
No,???
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Old 05-31-2013, 12:58 PM   #19
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Is this still running the MS1 I built for you long ago?
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Old 05-31-2013, 02:23 PM   #20
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Quote:
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Is this still running the MS1 I built for you long ago?
Yup, still going strong. i think the one thing i would have liked would be the bigger maps of the ms3. 12x12 is pretty tight when your boosting to 280kpa and 8000rpm. And i would have like to put in ID1000's but they came out a few months after i bought all my fuel stuff.

Im only running like 63% duty on the precision 880s
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