hustler's dyno thread - Page 3 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 02-07-2009, 09:27 PM   #41
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Hustler, trade me your 6 speed for my 1.8L and 5 speed combo!

Nice numbers! I want a ride!
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Old 02-07-2009, 10:21 PM   #42
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Originally Posted by Toddcod View Post
Hustler, trade me your 6 speed for my 1.8L and 5 speed combo!

Nice numbers! I want a ride!
wtf?

You can get a ride, hopefully at the track. I can't wait to rape in this thing. Suspension and brakes are still impressive too. Its a package deal.
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Old 02-07-2009, 11:00 PM   #43
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Torque doesn't hold too well after 5k. But still, solid numbers, especially for a dyno-dynamics. Your timing table is wild. I so gotta get me some 8.5:1 compression pistons. That's a good build and good tune for track duty. For damn sure.
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Old 02-07-2009, 11:09 PM   #44
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**** your 93 octane, **** your timing map, **** your 8.5:1 motor, **** you

****

youuuuuuu
LOL. No kidding that timing map in boost is nuts. I would have been pinging like a **** with my 9.5:1 motor. And that is with 93 octane.

No likey the 2860 spool? What RPM were you making, say, 12 psi at? It is hard to tell from that dyno plot picture.
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Old 02-07-2009, 11:20 PM   #45
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would be schweet to see the datalog to go along with that pull
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Old 02-07-2009, 11:20 PM   #46
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a lot of timing, not a lot of fuel, at least not much resolution in the fuel map. what is your REQ FUEL?

You're doing well, but I think you can be doing much better.
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Old 02-08-2009, 03:08 AM   #47
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LOL. No kidding that timing map in boost is nuts. I would have been pinging like a **** with my 9.5:1 motor. And that is with 93 octane.

No likey the 2860 spool? What RPM were you making, say, 12 psi at? It is hard to tell from that dyno plot picture.
4400rpm

Quote:
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would be schweet to see the datalog to go along with that pull


Quote:
Originally Posted by Ben View Post
a lot of timing, not a lot of fuel, at least not much resolution in the fuel map. what is your REQ FUEL?

You're doing well, but I think you can be doing much better.
req fuel is 5.7 and i have a new walbro 255. I need to learn more about tuning, but I don't know where else to find the answers or theory to make this turbo spool-up faster and to keep the torque high after it spools. I don't know what to do now.
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Old 02-08-2009, 03:30 AM   #48
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I bet that car is slow. We should have a drag race in reverse gear.

I expect nothing less than FTD at Hallett! Unless Matt goes......
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Old 02-08-2009, 03:32 AM   #49
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you two should race in drag
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Old 02-08-2009, 03:34 AM   #50
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you two should race in drag
I'd be the girl of your dreams.....
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Old 02-08-2009, 03:35 AM   #51
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Old 02-08-2009, 04:53 AM   #52
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Way to go Hustler! The grass is always greener ... even though you are doubting your choice in turbo, it seems to me a great choice for what you want your car to be which of course is track **** and annihilator of snobby **** in expensive cars.

Everything will be just fine my friend.
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Old 02-08-2009, 07:17 AM   #53
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No doubt a 2560 would spool sooner (mine does 14psi at around 3300rpm now on the street at part throttle), but your 28 will not see much below 4k on track anyway and will run cooler at that. So you win on the track unless you forget to down shift
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Old 02-08-2009, 08:38 AM   #54
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So.. more boost?

Seriousy though, congrats huster! I'm glad you stopped being a bitch and are happy about the car now.
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Old 02-08-2009, 10:51 AM   #55
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OMFG Now i know i been away to long hustler has a turbo needs to come back and haze him bad lol






















GJ man
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Old 02-08-2009, 12:42 PM   #56
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Originally Posted by magnamx-5 View Post
OMFG Now i know i been away to long hustler has a turbo needs to come back and haze him bad lol

Magna, it was about time!

We miss you

You went away for so long that hustler had time to complete his build!
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Old 02-08-2009, 12:55 PM   #57
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fix your spool fool!
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Old 02-08-2009, 01:48 PM   #58
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Quote:
Originally Posted by hustler View Post
4400rpm


req fuel is 5.7 and i have a new walbro 255. I need to learn more about tuning, but I don't know where else to find the answers or theory to make this turbo spool-up faster and to keep the torque high after it spools. I don't know what to do now.
Something don't sound right. My turbo's bigger than yours and it's at 11 PSI by 3200 from a 4th gear pull. I suspect your WG isn't right personally. I'm guessing it's an internal WG?
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Old 02-08-2009, 01:59 PM   #59
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It looks like his afrs are around 11.5 to 12.0 during spool. I have found running 13.5 14.1 during spoolup increases it alot. Also you need the most ve% at torque peak. After that you should tapper off ve% since your required fuel per cycle is less. That is why you are getting richer and richer on the big end and losing torque. That is unless you want that for safety.

I personally tune for good afr's then add timing. 12.0 at your boost level. One thing that adding fuel does is delay the beginning of the burn thus it is the same thing as retarding timing. I have found that running the correct afr and less timing makes more power than running rich and more timing. Very good baseline tuning. Let me know if I explained it properly i'm not a good explainer.
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Old 02-08-2009, 03:26 PM   #60
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Originally Posted by ChuckyZ View Post

I have found that running the correct afr and less timing makes more power than running rich and more timing. Very good baseline tuning. Let me know if I explained it properly i'm not a good explainer.
With Miatas, I have found the opposite. Ben has said his car makes more power at 11.4 than 11.8. Hustler found MBT on pump gas () at 11.6 or so. I was able to add 3-4 degrees of timing by reducing AFRs by 8/10ths of a point, and from what I've seen on other cars that 3-4 degrees of timing is worth 15-20whp.
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