DYNO, March 7, Atlanta - Miata Turbo Forum - Boost cars, acquire cats.

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Old 03-03-2009, 09:10 PM   #1
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Default DYNO, March 7, Atlanta

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When
Saturday March 7th starting at 9am (might be subject to slight change).

Where
Lethal Injection Motorsports
205 Tidwell Dr
Alpharetta, GA 30004

Price
The cost is $45 for 3 runs. Deposit of $20 encouraged. You can pay $45 on the day but will have to go after everyone who has paid the $20 deposit. So if you want to guarantee a spot please send me $20 ahead of time.

Each car will be able to receive 3 runs on the in house dyno. A/F readings are no added cost if you already have a suitable bung, if you don't they will sell and install one for you at $50.

It is free to show up and hang out with everyone.

Payments via paypal should be made to jack d maddox @comcast.net no spaces
I think they have a dynojet, but I'm not sure since I've never been there. Several members of this forum are slated to run. I should be in attendance but probably won't run. Should be a good time.
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Old 03-04-2009, 11:58 AM   #2
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I'll be there for two cam adjustments since my AFR is checks out ok per a boost run yesterday. Just need to get the EBC tuned, but I've got the mbc waiting as a backup. It'll serve my purpose for baseline vs. cam timing.

Just read this from lethal injection: We have a Dual Eddy Steady State Mustang 1750 2wd Dyno.
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Old 03-04-2009, 04:49 PM   #3
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I'd love to run, but I'd more love to get my new rad and IC setup going. So, I'll probably be home in my garage.
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Old 03-04-2009, 06:52 PM   #4
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Originally Posted by m2cupcar View Post
I'll be there for two cam adjustments since my AFR is checks out ok per a boost run yesterday. Just need to get the EBC tuned, but I've got the mbc waiting as a backup. It'll serve my purpose for baseline vs. cam timing.

Just read this from lethal injection: We have a Dual Eddy Steady State Mustang 1750 2wd Dyno.
Sweet sweet. Mustang, eh? Maybe I do need to run after all.



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I'd love to run, but I'd more love to get my new rad and IC setup going. So, I'll probably be home in my garage.
Screw that, it's going to be 70+ and sunny. Go for a ride. Work on the car when the next cold snap comes.
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Old 03-04-2009, 09:05 PM   #5
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Screw that, it's going to be 70+ and sunny. Go for a ride. Work on the car when the next cold snap comes.
Maybe I can do both somehow
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Old 03-04-2009, 10:19 PM   #6
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...Screw that, it's going to be 70+ and sunny. Go for a ride. Work on the car when the next cold snap comes.
[begin thread drift] It's a funny world, you are waiting for a cold snap to work on the car and for me, spring is finally approaching and it is "warming up" so I can work on the car. 30 degrees last Saturday, and supposed to be mid-30's this weekend, I can finally pull the AC out. [/end thread drift]
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Old 03-06-2009, 07:06 PM   #7
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well not much response here, but there will be around a half dozen FI Miatae in attendance. not sure why everyone is so secretive.
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Old 03-07-2009, 10:30 PM   #8
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You pulled out a nice run today mate!
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Old 03-07-2009, 10:39 PM   #9
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post up the dyno numbers?
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Old 03-08-2009, 12:39 AM   #10
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yeah we're getting files emailed beginning of the week.
my car made the best power of the day as far as miata-engined miatas go. 193whp/189wtq uncorrected on a mustang. completely untuned and untouched car, 10:1 a/f. I was pretty happy, boost holds nice and steady. the shop guys said their mustang reads low, even for a mustang. for perspective, jdmaddox's fairly stock 96 pulled 80whp.

m2cup's 2.0 FE got about 250whp, compared to the 300whp he nailed on the dynojet on our last dyno day extravaganza. there was also a really pimp old body style protege with a forged bottom and an fm massaged 99 cyl head that pulled 22% less today than he did on a dynojet previously.

overall, a fun day... until on the drive home when wildfire's oil pressure sender fitting BROKE out of his block, instantly dropping all of his oil into the street. i just got in after we discovered the issue, realized it was not road-side repairable, and waited for a tow truck. :(
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Old 03-08-2009, 12:52 AM   #11
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ouch, did he shut it off right away or will he have an expensive project coming up?
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Old 03-08-2009, 01:10 AM   #12
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there was also a really pimp old body style protege with a forged bottom and an fm massaged 99 cyl head that pulled 22% less today than he did on a dynojet previously.
It was actually ~18% less whp (343 vs. 282) and ~20% less wtq (318 vs. 255) compared to a Dynojet. Things that changed were that I replaced a high-flow cat with a resonator, changed my final drive from 4.105 to 3.85, and changed the 4th gear ratio from 1.03 to 0.96. How much these 'mods' actually affected the readings, who knows (unless I go back on a Dynojet).

--Ferdi
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Old 03-08-2009, 01:11 AM   #13
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he shut it down immediately. it's probably fine, but will be a somewhat serious project to make the car operational again.
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Old 03-08-2009, 03:22 AM   #14
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Originally Posted by ftjandra View Post
It was actually ~18% less whp (343 vs. 282) and ~20% less wtq (318 vs. 255) compared to a Dynojet. Things that changed were that I replaced a high-flow cat with a resonator, changed my final drive from 4.105 to 3.85, and changed the 4th gear ratio from 1.03 to 0.96. How much these 'mods' actually affected the readings, who knows (unless I go back on a Dynojet).

--Ferdi
20% sounds about right considering that would have put me at the 100whp which sounds more right. At least it will give me a good baseline to compare to, unless my next run is on a dynojet with a supercharger and make a ridiculous increase!
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Old 03-08-2009, 11:42 AM   #15
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I ran into some problems with my IC and rad project I started Friday night. Hope to have it back together by the end of the day today.
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