Artech 1.6 at 10 psi - Page 7 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 02-22-2013, 04:56 PM   #121
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also, run to redline next time, *****.

what type of dyno was the 155hp run? dynojet? I'd be safe to call that a 60rwhp increase.
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Old 02-22-2013, 05:01 PM   #122
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Did you friend use the brakes on the dyno?
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Old 02-22-2013, 05:23 PM   #123
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Quote:
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also, run to redline next time, *****.
Hadn't even noticed that. Is the RPM accurate on the graphs? Why did you cut the runs short?
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Old 02-22-2013, 05:28 PM
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Old 02-22-2013, 05:34 PM   #124
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Dyno operator ran both cars, we weren't even allowed in the garage, we're just at the edge filming. He was pretty lax on that rule, but I could tell he was going to be the one running all the dynos.

The 185 runs on 10psi he went off the dash tach. For the 12psi run, I told him to use tunerstudio's tach and run to 6900. Still doesn't look like he did.

They were also all in 3rd gear. I told him 4th, but he tried it and said something about it being a better match for the rollers in 3rd. Oh well.

Datalogs attached
Attached Files
File Type: msl PRE dyno runs 10psi.msl (336.3 KB, 119 views)
File Type: msl PRE dyno run 12psi.msl (311.3 KB, 110 views)
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Old 02-22-2013, 05:46 PM   #125
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doesn't look like it woulda made more power higher up anyway.
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Old 02-22-2013, 05:49 PM   #126
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i know but still. what sucks is how poorly the 1.6L spools that turbo...
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Old 02-22-2013, 06:03 PM   #127
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He started at like 2800 which didn't help.
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Old 02-22-2013, 06:07 PM   #128
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so basically he failed all around lol
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Old 02-22-2013, 09:13 PM   #129
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Kinda sorta, wasn't ever going to complain at $25 for three pulls.

Would of loved to see 4th gear, 1500rpm start or less. I know it builds 10psi by about 2800, so starting at 2500 or where ever wasn't great. Oh well.
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Old 02-22-2013, 09:18 PM   #130
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25 for 3 pulls is basically free lol
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Old 02-25-2013, 03:21 PM   #131
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This is why everyone should buy a 1.8L and install it pronto:



This was Lars's setup at 10psi on a Dyno Dynamics dyno.
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Artech 1.6 at 10 psi-t251.6vst251.8.jpg  

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Old 02-25-2013, 03:31 PM   #132
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So what you are saying is the 1.6 makes more power Brainy?
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Old 02-25-2013, 03:35 PM   #133
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Quote:
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So what you are saying is the 1.6 makes more power Brainy?
no. I fudged the numbers, i dont think curly ever made more power, even after 6500 or whatever the above shows.
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Old 02-25-2013, 05:32 PM   #134
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Quote:
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no. I fudged the numbers.
Ok, Fox.
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Old 02-26-2013, 10:18 AM   #135
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compared to mine:




for S&G's. At 3500RPM mine really ramps up and will shoot to all of it boost, I think this effect is due to the .48 a/r t3 turbine housing compared to the .86 a/r t25 of yours, where even though you have smaller wheels, the turbo still is a bit slow to wind up. Every SR20 T25 plot I've even seen does the same, even Lars's when you compare it to say Paul's 2560 or Soviet's EFR.




by fudged the numbers, I just mean I pulled the closest number I could determine by looking at the plots, without having the real raw data on hand; otherwise it's close.
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Old 02-27-2013, 04:38 PM   #136
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Nice Curly. I will head back to PRE after I get tuned.
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Old 03-07-2013, 01:32 AM   #137
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Good #s joshima!
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