1.6 built,china 2871, e85 - 324rwhp - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-28-2010, 03:49 AM   #21
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i,ll take those kelfords if those are the ones you mean
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Old 10-28-2010, 09:01 AM   #22
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This dyno pull is useless without RPMs. Needs data badly... So curious...
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Old 10-28-2010, 12:13 PM   #23
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what tranny/gear and rear end setup? I can help to "calculate" tq and rpm

tire size?

edit: 5 speed, 4th gear with 4.10 gears?

also... seeing as you have a tq curve, im sure they were able to pull up rpm, contact the dyno and see if they can format the x axis with rpm
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Old 10-28-2010, 12:18 PM   #24
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look at the cross over, full boost is around 60mph, or 5252rpm

looks like 3rd gear on a 4.1
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Old 10-28-2010, 12:26 PM   #25
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Yeah after I opened up the gearing sheet I have.... pretty sure it's 3rd with 4.1.

this should be pretty close
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Old 10-28-2010, 01:13 PM   #26
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Quote:
Originally Posted by aaronc7 View Post
Yeah after I opened up the gearing sheet I have.... pretty sure it's 3rd with 4.1.

this should be pretty close
bullseye

I will ask if they can send me the chart with full rpm range
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Old 10-28-2010, 01:29 PM   #27
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that's off. 7000 should be just below 85mph. putting the crossover closer to 5252 where it needs to be.
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Old 10-28-2010, 01:32 PM   #28
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yeah you're right, i went wrong somewhere. i just kinda blindly followed the calculator.
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Old 10-28-2010, 01:34 PM   #29
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I was using these numbers.... says 7k would be 88 mph.

Are you running some sort of abnormal tire size? (smaller)

http://www.flyinmiata.com/tech/gearing.php
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Old 10-28-2010, 01:43 PM   #30
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I bet it ends up looking more like this, give or take a few RPM, the cross over is a little low:

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Old 10-28-2010, 03:33 PM   #31
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Quote:
Originally Posted by jtothawhat View Post
You need cams badly! Mine are for sale ;-)
is that cams i'm seeing on the chart? 2871 compressor wheel should have good flow for 1.6 to 2.0 motor i think. in for details on the turbo as well.

you could get a good peak whp bump with a little bit flatter torque curve
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Old 11-02-2010, 11:07 PM   #32
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Looks awesome! Where did you get the turbo from? I'm looking to get a t2871 or similar myself.
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Old 11-03-2010, 11:06 PM   #33
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for those who doubted me. Rpm dyno chart below


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Old 11-03-2010, 11:08 PM   #34
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forgot to mention that is a 3rd gear pull.

Also the 1.6 stage 3 f1 racing ebay clutch isnt holding anymore, 949 twin disk here i come hehe
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Old 11-03-2010, 11:21 PM   #35
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Nice #'s!
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Old 11-08-2010, 04:05 PM   #36
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needs cams. haha
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Old 11-08-2010, 05:57 PM   #37
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Quote:
Originally Posted by woodonastick View Post
needs cams. haha
Why do you think it needs cams?
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Old 11-08-2010, 06:15 PM   #38
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That's about 286whp on a Mustang, not bad.
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Old 11-13-2010, 07:59 PM   #39
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nice numbers
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Old 03-07-2011, 05:06 AM   #40
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That torque seems really low for a 2871.
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