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Tippy does TunerStudio work ok on OSX? What are you using to make the connection to your ECU?
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Old 04-18-2014, 07:45 AM
  Pelican Parts Technical Article Directory    Reply With Quote #61 (permalink)
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Quote:

Quote de Tippy



Open to suggestions, what do you think?

Worked late, started to edit your map last night. I'll finish it tonight and post it, it should atleast crisp up off idle transition, the rest I leave alone.
No rush
Old 04-18-2014, 09:14 AM
  Pelican Parts Technical Article Directory    Reply With Quote #62 (permalink)
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Do you think Tippy's timing map settings would be OK for more or less any stock 3.3 930 engine with stock internals, EFI, solid/safe AFR's, and the usual bolt on items (IC, turbo, headers, muffler, no cat)?



My mapping is more conservative currently, however I have not had the benefit of lengthy tuning on a dyne, etc.



Sorry to jump into this thread - just curious as this seems like valuable info to me.



Thx!
No problem, my map is up for scrutiny....
Old 04-18-2014, 09:14 AM
  Pelican Parts Technical Article Directory    Reply With Quote #63 (permalink)
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Tippy does TunerStudio work ok on OSX? What are you using to make the connection to your ECU?
Yep. An RS232 to serial adapter from DIYAutotune. $20.
Old 04-18-2014, 09:16 AM
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I realize I'm running twin plug but I can't use anything close to your timing values without knock even adjusted for twin plugging. What CR are you running.
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Old 04-18-2014, 09:26 AM
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sjf911, What I edit for Corey you can take and subtract 8- 10 across the map. It will give you a decent base map. Typically it's 8- 10 less timing when running twin plug compared to single.
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Old 04-18-2014, 09:47 AM
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i realize i'm running twin plug but i can't use anything close to your timing values without knock even adjusted for twin plugging. What cr are you running.
7.5:1
Old 04-18-2014, 12:34 PM
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Just a little tweak
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Old 04-18-2014, 06:52 PM
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A little tweak?

Interesting, I'll give it a try....
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Cory - '87 C3.2 (3.4, stock 3.2 heads, cams, intake, with 75mm Mustang TB) Guards/Blk - turbos new to old 1). Borg Warner S366 (66mm comp/73mm turb/0.91 T4 divided ~1.4 bar), 2). Holset HX40 8-blade (58mm/"P" trim 0.84 T4 divided 1.4 bar), 1/4 mile 12.02 @ 129 MPH (street tires), 3). Turbonetics 60-1 HiFi (60mm/"P" trim 0.81 A/R T4 open 1.2 bar), 431whp - MegaSquirt II/EDIS ignition/80lb inj
Old 04-18-2014, 07:14 PM
  Pelican Parts Technical Article Directory    Reply With Quote #69 (permalink)
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So... I see you pulled timing in the low rpm states. This might smooth the off idle tip in problems you mentioned before. I did not realize that you ramped so much timing in the Y axis (MAP) from 800 to 1500 rpm.
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Old 04-18-2014, 07:29 PM
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Jamie, GJF created that ramp by superimposing my image from the other page. I had 20 across the kPa's for 1200 RPM. Not actually in my map.

GJF added a little flavor...
Old 04-18-2014, 07:50 PM
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Help me pick a turbo:

1. Borg Warner S366 (66mm comp, ~"Q" trim turb)
2. Turbonetics T66 with 0.70 "P" trim

I'm leaning towards the T66 due to proven quick response and power on Supras (3.0liters). I've seen as high as 640whp using the .70 AR on a "P" trim.

As many "great" dyno's I've seen with the BW on 4-cylinders, some times it seems too good to be true or they're not telling the whole truth.

Thoughts?
Old 04-21-2014, 07:17 AM
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P trim is healthy in size yet alone a Q. A .70 on a P will work out better than the housing you have.
Old 04-21-2014, 08:49 AM
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Where or how does a Garret GT35R ball bearing turbo fit in compared to the turbo's you're looking at?
Chris at Turbokraft likes the GT35R and I think he feels it's a good all around upgrade turbo for a 3.3 930 motor. If you go with more displacement and wild cams etc then there's a ball bearing GT40 and GT40 hybrids.
At the same time I'm just spouting hearsay and don't have any experience with them.
Old 04-21-2014, 09:09 AM
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Oh I'd kill for a GT40, but they are way out of my price range.

Firsthand experience with a friends GT35R on a 965 (actually bought from Chris) was impressive. His header wasn't even divided but the GT35R scroll was, but it still spooled unbelievably quick for a 1.06AR!!

I'm a believer, but don't want to spend that much.
Old 04-21-2014, 09:40 AM
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P trim is healthy in size yet alone a Q. A .70 on a P will work out better than the housing you have.
The S366 has a 73mm turbine, so I just assumed it's around a "Q" trim??

I've seen 4-cylinders spool these!
Old 04-21-2014, 10:43 AM
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The GT35R is a great all around turbo good for 500+. Corey is already there, seems he is shooting for a higher HP level than what he is putting out now. The GT35 R would only extend his output slightly. A T61 is the same as the GT35R. From the T61 the next turbo to map out well is the T66 or even better a T70. The T70 is a great performer especially for a 3.3-3.4. But it all depends ultimately what he wants out of the engine.

Last edited by GJF; 04-21-2014 at 05:21 PM..
Old 04-21-2014, 01:53 PM
  Pelican Parts Technical Article Directory    Reply With Quote #77 (permalink)
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I just did the Squirrel Performance calculator, and the 72mm's seem to be what it calls for, for 700hp. Hmm. Seems a little too big.

I'm only wanting 700hp using race gas or E85, not all the time.

I'm definitely going at least 66mm. Just not sure if I'm going old school T66/67 or modern.
Old 04-21-2014, 02:11 PM
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T70 will get you to 700 but do you have enough injector?
Old 04-21-2014, 03:58 PM
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Nope, but I'll go bigger when needed
Old 04-21-2014, 04:28 PM
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