460whp @ 28psi, GT3071 - MR2 Owners Club Message Board
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post #1 of 14 (permalink) Old April 6th, 2016, 16:31 Thread Starter
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460whp @ 28psi, GT3071

The successor to this turbo, courtesy of Scott at ATS:

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post #2 of 14 (permalink) Old April 6th, 2016, 19:03
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what other upgrades did u do since last dyno? fuel obviously but ecu, im, ic ?
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post #3 of 14 (permalink) Old April 7th, 2016, 02:02 Thread Starter
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Originally Posted by icyjaws View Post
what other upgrades did u do since last dyno? fuel obviously but ecu, im, ic ?
JDM 3S-GTE 2.0l engine (rebuilt by yours truly)
86.5mm Wiseco forged pistons
OEM rods
OEM rod/crank bearings
OEM gasket set
ARP head studs
Cometic MLS head gasket
GSC 268 camshafts
ATS Racing adjustable cam gears
JLee-DIY intake
Mishimoto catch can
Garrett GT3071 ball bearing turbo
KO Racing one piece hot pipe w/heat shield <- same
XS Power sidemount intercooler with ATS Racing fan and shroud <- same
Berk Technology aluminum cold pipe <- same
Tial 38mm wastegate <- same
ATS Racing 3" downpipe
Berk Technology 3" exhaust <- same
ATS Racing top feed fuel rail
ATS Racing 1200cc injectors
Walbro 255lph fuel pump <- same
GM flex fuel sensor
ECU Masters EMU with boost control solenoid, tune by Scott McClendon at ATS Racing

There was an intermediate dyno as well - this is on gen3 cams, before the GSC 268's were done. 21psi, tune by Tony at UMS Racing in Mesa, AZ: http://freshblacktop.com/pics/mr2/e85dyno.jpg

Stock intake manifold. I am way beyond the point where I need a new intercooler...gaining 30c from 3500rpm to 7000rpm.


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post #4 of 14 (permalink) Old April 7th, 2016, 07:50
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That is very impressive!!! Over 100 whp with turbo upgrade and cams? Plus 7lbs more of boost? Is this on pump or E85? Post pics of JLee intake manifold. This is nose bleed and CSF fluid leakage out of the ears!!!
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post #5 of 14 (permalink) Old April 7th, 2016, 21:15 Thread Starter
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That is very impressive!!! Over 100 whp with turbo upgrade and cams? Plus 7lbs more of boost? Is this on pump or E85? Post pics of JLee intake manifold. This is nose bleed and CSF fluid leakage out of the ears!!!
The steps:
328whp at 21psi with gen2 cams and a TD05 20G on race gas (ATS ROM tune)
363whp at 21psi with gen3 cams and a GT3071R on E85 (ECU Masters EMU @ UMS Tuning)
460whp at 28psi with GSC 268 cams and a GT3071R on E85 (ECU Masters EMU @ ATS Racing)

I still have the stock intake manifold. The air intake is a just a 3" aluminum tube with a cone filter on the end...cost me about 60 bucks to put together.


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post #6 of 14 (permalink) Old April 8th, 2016, 14:51
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Nice job JLee! I have a very similar setup to you except HKS 264 Cams and FIC 1100cc. Hope to get numbers around where you are. Whats your duty cycle at with the 1200s?
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post #7 of 14 (permalink) Old April 9th, 2016, 10:11
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nice
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post #8 of 14 (permalink) Old April 11th, 2016, 13:05 Thread Starter
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Nice job JLee! I have a very similar setup to you except HKS 264 Cams and FIC 1100cc. Hope to get numbers around where you are. Whats your duty cycle at with the 1200s?
I think it was around 85%.


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post #9 of 14 (permalink) Old April 12th, 2016, 00:01
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thats a very nice.
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post #10 of 14 (permalink) Old April 13th, 2016, 17:38
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Garage
Saw this post and knew it was you. I think we need to swap license plates now haha.

Have a safe drive back, send me videos!
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post #11 of 14 (permalink) Old April 19th, 2016, 01:22
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Awesome! Is this on a stock exhaust manifold with a T3 adapter? Also what size is your fuel return line? The supply line is -6AN correct? Just wondering because I am switching to E85 soon and have a similar setup as you do engine wise. Planning on using the same fuel setup as you also.
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post #12 of 14 (permalink) Old April 19th, 2016, 01:26
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Originally Posted by JLee View Post
The steps:
328whp at 21psi with gen2 cams and a TD05 20G on race gas (ATS ROM tune)
363whp at 21psi with gen3 cams and a GT3071R on E85 (ECU Masters EMU @ UMS Tuning)
460whp at 28psi with GSC 268 cams and a GT3071R on E85 (ECU Masters EMU @ ATS Racing)

I still have the stock intake manifold. The air intake is a just a 3" aluminum tube with a cone filter on the end...cost me about 60 bucks to put together.
It is probably too much to ask but do you have an idea how much whp it would be with GSC 268 at 21psi? The guess would be around 390 but just curious about that...
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post #13 of 14 (permalink) Old April 19th, 2016, 13:44 Thread Starter
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It is probably too much to ask but do you have an idea how much whp it would be with GSC 268 at 21psi? The guess would be around 390 but just curious about that...
The 460 may have been at 27psi, come to think of it. We backed down to ~430whp for daily driving.

I don't believe I have any pulls at 21psi. I would guess in the 380-410whp range.

Looking at my EMU log file names, I have this:
20160405_1503 RUN5 366hp 1.2BAR.emulog
20160405_1809 run11 427HP 1.7bar.emulog

366whp at 17.4psi, 427whp at 24.6psi -- napkin math says 396.5whp at 21psi. Ish.

Quote:
Originally Posted by the bee guy View Post
Awesome! Is this on a stock exhaust manifold with a T3 adapter? Also what size is your fuel return line? The supply line is -6AN correct? Just wondering because I am switching to E85 soon and have a similar setup as you do engine wise. Planning on using the same fuel setup as you also.
Yes, stock manifold with the ATS one-piece adapter. The fuel return is stock. The fuel supply is from the ATS top feed kit.


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Last edited by JLee; April 19th, 2016 at 14:14.
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post #14 of 14 (permalink) Old March 11th, 2017, 00:51
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Just interested, when you adjusted the GSC 268 cams. What setting did you end up at? eg inlet 2 advanced, exhaust 6 retarded? Cheers
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