went to the dyno today.... - Page 3 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 12-01-2006, 11:24 PM   #41
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Originally Posted by y8s View Post
andy, are you sad you can't post "300 whp" in your sig?
:tears: YES
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Old 12-01-2006, 11:41 PM   #42
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That's awesome power. If you were on a "cheater" dyno, it would be well over 300.

Now get a standalone in that thing!
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Old 12-02-2006, 06:09 PM
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Old 12-02-2006, 06:14 PM
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Old 12-02-2006, 06:18 PM   #43
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Originally Posted by cccpull View Post
Great numbers!!! Now you have me considering the dyno.
I've already run at 20-21 psi, but the egts climb to much with pump gas.
Maybe I'll go for it with my "semi-ghetto", ems and a couple of gallons of 116 octane.
YES!! puleeze dyno your's too. I would love to see what other GT3271 setups are putting down How did 21psi feel
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Old 12-03-2006, 06:32 PM   #44
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Originally Posted by AndyFloyd View Post
dude, ******* do it. I have been pondering the same thing...
I broke the damn manifold on the Dyno LMAO.

264 ft/lbs torque, 296 RWHP.

Two very different paths to nearly the same power.

Mark
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Old 12-03-2006, 08:42 PM   #45
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Where you at 12 psi or 15+
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Old 12-04-2006, 01:22 PM   #46
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Originally Posted by magnamx-5 View Post
Where you at 12 psi or 15+
Somewhere between 17-18 PSI.
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Old 12-04-2006, 04:37 PM   #47
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nice mark! I bet when you get that manifold fixed youll make more power since you are going to see spoolup much faster when flames arent shooting out the manifold
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Old 02-09-2007, 08:18 PM   #48
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nice numbers
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Old 02-16-2007, 09:30 PM   #49
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I've dyno'ed quite a few rising rate setups where the injectors would lock open, or at least that is the only explanation that I could come up with. Going 40+ or 40- on an AFC would have absolutely no effect on the AFs. The ECU might be calling for 5% or 85% duty cycle but the injectors where at the mercy of the fuel pressure.

I've taken 330cc injectors to 240whp on a regular 1:1 setup, so 290-ish isn't hard to swallow.
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Old 02-16-2007, 09:45 PM   #50
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Originally Posted by Braineack View Post
if he converts to dynojet he could.
I'm going to preface this comment with the following: I've been out of the tuning thing for a few years so my experiences are a little out of date.

This is something that I did years ago taking advantage of knowing multiple people that ran dynoshops, I'm a little hazy on the exact figures but the trend is more relevant. We dyno'ed a car on an in ground dynojet and drove over to a shop with a Mustang dyno. From what we saw the Mustang dyno came up with numbers 15% lower, or whatever the hell the amount was, but when we ran the Mustang in its so called dynojet emulation mode it made almost the exact amount MORE than the dynojet. And then we headed BACK to the dynojet and backed up the earlier figures with about a 1% deviation.

My only point to this is to say that dynos with user accessible variables produce plots that are only useful in comparison to other graphs to whatever degree that you trust the source. And I'm not limiting that statement to other types even. An unscrupulous tuner could monkey round with settings from one run to the next to bilk a customer.
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