AllTrac.net Dyno Top Ten

Q&A regarding engines, turbos, and intercoolers and power upgrades

Re: AllTrac.net Dyno Top Ten

Postby Mafix » Sun Jan 05, 2014 4:30 pm

look at the fuel. that's why he can run that much boost with that compression.
very nice!
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Re: AllTrac.net Dyno Top Ten

Postby abraxxa » Sun Jan 05, 2014 9:18 pm

But that means he can only boost very low on regular fuel, not something I'd like to have in my GT-Four. I even thought about mapping the 2.2 with 95 octane because last year during the road trip through Italy I wasn't able to get 98.
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Re: AllTrac.net Dyno Top Ten

Postby BADNEWS » Sun Jan 05, 2014 11:42 pm

I run up to 23psi on regular pump gas which I make around 550awhp on it.
90 ST185 W/ HTZ4094R (6768), 2.2, Fully Built
865AWHP, 591 torque
Hope to have some 1/4 times this summer of 2016!!!
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Re: AllTrac.net Dyno Top Ten

Postby aus jd 2703 » Mon Jan 06, 2014 1:57 am

need opinions, can stock gen 3 rods and pistons make 300awhp with a gtx2860rs, E85 and a FMIC, tuned with a haltech ps1000?
its what I want im worried the motor wont take it?
looking for it to last 12 months minimum and motor is healthy at the moment (compression test, running arp head studs and cometic gasket)
what you guys think? have debated using a 3071 and just use more boost and be conservative on the timing to avoid detonation...
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Re: AllTrac.net Dyno Top Ten

Postby abraxxa » Mon Jan 06, 2014 9:30 am

The weak spot are the ring lands of the Gen 3 hypereuretic pistons which regularly break at 300-330 engine hp.
Most guts from the GT-Four.ch forums have reported this over the last years.
On the other hand my engine, also tuned using a PS1000, didn't break when running 1.2bar with the stock CT20b for years.
The conrods can take over 500Nm, so you don't have to care about them but I'd advise swapping the pistons.
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Re: AllTrac.net Dyno Top Ten

Postby yota 3.0 » Mon Jan 06, 2014 1:12 pm

hey guys,
id like to get on the list :D

Ill post up the link to my build which has my graph and everything in there including videos :)

viewtopic.php?f=44&t=45813

This is a gen3 engine in my ST185
Peak HP: 600awhp
Peak Torque: 571awtq
Type of Dyno: awd
Brand of Dyno: DynoJet
Engine Displacement: 1998cc
Engine Compression: 8.5:1
Camshafts: stock gen3
Turbo: precision 5858 dbb
Turbo Pressure: 30psi
Fuel: ID1000cc, bosch 044 pump, -8 feed, -6 return, FBM fuel pressure reg and filter, custom made fuel rail
Fuel Type: E50
Engine Managment: Haltech PS2000
Other Info: 1/2" L19 head studs, JE pistons, Carillo H-Beam rods, arps main bolts, billet main caps

~James
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Re: AllTrac.net Dyno Top Ten

Postby Pipedreams » Sun Jul 26, 2015 12:16 am

Dyno Sheet Image
Peak HP: (775hp@7250rpm) at the hubs
Peak Torque: (830nm/612ft.lbs@5700rpm) at the hubs
Type of Dyno: AWD
Brand of Dyno: Dynapak
Engine Displacement: 2174cc
Engine Compression: ~10.2:1
Camshafts: Catcams 269
Turbo: BW EFR 8374
Turbo Pressure: 34psi/2,35bar
Fuel: 2200cc, walbro 450 intank. Fuelab 41402 main pump from catch
Fuel Type: E85
Engine Management: Link G4+Extreme
Other Info: 5s block and crank, custom J&E pistons, Autoverdi rods. 3S-GE BEAMS head. Custom manifold. 3,5" exhaust mated to Blitz Nur spec-r. Forge evo10 intercooler.
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Re: AllTrac.net Dyno Top Ten

Postby Hic » Sun Jul 26, 2015 5:45 am

Pipe, great result!! I am
Positive that u have the world record on 8374!!!!
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Re: AllTrac.net Dyno Top Ten

Postby ___Scott___ » Sun Jul 26, 2015 2:17 pm

I don't want to call BS, but there is something not right about that dyno plot.

HP = (Torque x RPM) / 5252

That means the HP curve should cross the Torque curve at 5252 RPM. :crazy:
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Re: AllTrac.net Dyno Top Ten

Postby sleeper » Sun Jul 26, 2015 2:26 pm

___Scott___ wrote:I don't want to call BS, but there is something not right about that dyno plot.

HP = (Torque x RPM) / 5252

That means the HP curve should cross the Torque curve at 5252 RPM. :crazy:



You missed that that only applies when dyno plot is in hp\lbft. This is in hp\nm. ( and not even scaled in the same way on the plot. ( 800 vs 840)

But there are a few more things i would like to see than a plot with NO info at all on it. dynapack papers are easy to change within the software. so need some more data before i trust that one..
89 ST165: 9.89/144 daily driver during summer. 711AWHP.
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Re: AllTrac.net Dyno Top Ten

Postby Pipedreams » Sun Jul 26, 2015 2:49 pm

With NM they cross at 7023,5rpm, but the scale for nm and hp are not the same so the lines don't cross at 7023,5rpm but if you look closer at 7023,5rpm the power and torque are the same.
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Re: AllTrac.net Dyno Top Ten

Postby ___Scott___ » Sun Jul 26, 2015 8:35 pm

sleeper wrote:You missed that that only applies when dyno plot is in hp\lbft. This is in hp\nm. ( and not even scaled in the same way on the plot. ( 800 vs 840)

You're right, those are the details I missed.

Pipedreams wrote:With NM they cross at 7023,5rpm, but the scale for nm and hp are not the same so the lines don't cross at 7023,5rpm but if you look closer at 7023,5rpm the power and torque are the same.

Thank you for that detail. It's a lot less obvious with the different HP/Tq scales, but I see it now.

That's why I didn't want to call BS, I knew I was missing something.
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Re: AllTrac.net Dyno Top Ten

Postby spcmarti85 » Thu Aug 27, 2015 7:31 am

Dyno Sheet
ST185 w/Gen III swap
Celica Dyno.jpg

Peak HP: 312@6100rpm
Peak Torque: 285@6000rpm
Type of Dyno: AWD
Brand of Dyno: DynoJet
Engine Displacement: Stock (Gen III)
Engine Compression: 8.5:1
Camshafts: stock Gen III
Turbo: GT2871R
Turbo Pressure: 19psi
Fuel: 750cc w/ walbro pump
Fuel Type: 93 oct
Engine Managment: Hydra EMS
Other Info: Forged Pistons, Cometic Gasket, FMIC, Full Exhaust, Mishimoto Radiator, Individual Coil Ignition
Much thanks to DD Performance Research for the work and tune! :D :D
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Re: AllTrac.net Dyno Top Ten

Postby 93cc » Sat Aug 29, 2015 2:50 am

it doesnt look like the Top10 list on the orginal post has been update since 20009... is the list updated on another post or thread
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Re: AllTrac.net Dyno Top Ten

Postby eric thompson » Mon Nov 13, 2017 10:47 pm

Dyno Sheet - T1 46mm restrictor / STU 35mm restrictor
Peak WHP: T1 399@6460rpm / STU 284@4530rpm
Peak WTQ: T1 343@5750rpm / STU 329@4470rpm
Type of Dyno: AWD
Brand of Dyno: Dynojet
Engine Displacement: .040 Over
Engine Compression: 11:1
Camshafts: Kelford 290/274
Turbo: DriftMotion Billet MK3 Supra CT26A - 46mm stock size Comp wheel inducer - WPC treated internals
Turbo Pressure: 20psi
Fuel: 650cc Inj / Bosch 044 Pump
Fuel Type: 100 Octane Sunoco
Engine Managment: Haltech Platinum 1k
Other Info: Nothing Special... ST185CS engine, Shimless buckets, Phenolic spacer, P&P Cyl Head, Ported Gen1 Ex Manifold, 3SGE sidefeed manifold, Clocked turbo, Snabb Frontmount... pretty much it
Attachments
Nov17_35mmSTU.jpeg
Nov17_46mmT1.jpeg
ST165-PARTS-RED
ST165-SCCA STU ROADRACING-(RALLISPEC'S ST165)
NEED ONE MORE FOR STREET:)
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