474 replies to this topic

[greens14]

Make and model: s14a

Modifications to the car: Nistune, full zorst, FMIC, Z32, 1000cc inj, Apexi Avcr, Tomei Poncams, BC valve springs and retainers.
Type of turbo: Kando td06 20g
Rear Exhaust housing: 8cm
When does vehicle reach full boost and what PSI: 3900 (18psi)
Does the vehicle have Cams? Poncams
Max power achieve at what boost: 260rwkw

Edited by greens14, 17 January 2013 - 02:32 PM.

[180X]

Got a retune and put a new setup.

Make and model: 180sx typex
Size of engine: sr20
Modifications to the car: Bc valve spring / retainers, rocker arms, custom steampipe mani, 850cc injectors, FPR, + basic supporting mods etc.
Type of turbo: GT3076r
Trim of turbo: 56trim i think
Rear Exhaust housing: .63
When does vehicle begin boost: 2600-3000
When does vehicle reach full boost and what PSI: 4.4-4.500
Does the vehicle have Cams? if so; yes
What brand: BC step 2
What lift/duration etc: 264 in / out
Max power achieve at what boost: 260kw @ 21 -22psi safe tune with not much timing play, will get a retune again.

[s15rocket]

greens14, on 15 January 2013 - 08:02 PM, said:

Make and model: s14a

Modifications to the car: Nistune, full zorst, FMIC, Z32, 1000cc inj, Apexi Avcr, Tomei Poncams, BC valve springs and retainers.
Type of turbo: Kando td06 20g
Rear Exhaust housing: 8cm
When does vehicle reach full boost and what PSI: 3900 (18psi)
Does the vehicle have Cams? Poncams
Max power achieve at what boost: 260rwkw

e85???

Getting mine tuned at Chequred next week. Same mods as you except I've got a t518z (td06 18g kando equivelent) and nismo 740cc so I won't be running e85 (sigh). Hoping to crack to 250 on pump 98 though

Will post results when tuned.

Btw what was your power increase from before? Notice much of a difference now with the cams? How does it feel?

Edited by s15rocket, 17 January 2013 - 10:55 PM.

[greens14]

Yea that's on E85.
Car was making about 215kw with a Hypergear ATR28G2 ( 2871r equivalent) and no cams or E95.
This turbo comes on so much harder than te old unit.
Some people prefer a more linear power delivery, but I love that sledge hammer feeling as it comes on song.

Edited by greens14, 18 January 2013 - 01:45 PM.

[s15rocket]

Make and model: 2002 s15
Size of engine: black top sr20det with vct
Modifications to the car: stock engine, z32, avcr, 740cc nismo injectors, 3" exhaust with hi flow cat and Varex (no mid muffler), power fc, blitz intercooler, modified stock airbox (bottom cut out).
Type of turbo: Genuine trust t518z (not kando as stated on dyno sheet).
Trim of turbo: errr
Rear Exhaust housing: 8cm
When does vehicle begin boost: 3000rpm
When does vehicle reach full boost and what PSI: 4000rpm 20psi
Does the vehicle have cams? Poncams 256/256
Max power achieve At what boost: 242rwkw at 20psi avcr set to 1.5 bar on pump 98.



As promised... my dyno results

Very happy with the result. Would of loved to have cracked 250 with the pump 98 but Trent said it was a very good result for my modifications. I'm definitely going to go back and get an e85 tune later in the year though. Get some bigger injectors and maybe crack 270-280

From my tune without cams I made 215rwkw so I made a 27rwkw gain with the poncams and supertech springs. Was it worth it? Yes and no. Car definitely pulls harder to red line now. I can definitely notice the difference but its hardly mind blowing. You really need to go e85 if you plan to upgrade cams as well as its the best bang for buck thing you can do and that's just what I'll be doing later in the year

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Edited by s15rocket, 24 January 2013 - 02:08 AM.

[Ticc]

Make and model: S13 Silvia
Size of engine: 2l
Modifications to the car: E85, vipec ecu, 1000cc injectors to many more ot list
Type of turbo:GTX3076
Trim of turbo:
Rear Exhaust housing: 0.82
When does vehicle begin boost: 2700
When does vehicle reach full boost and what PSI: 4400
Does the vehicle have Cams? if so; yes
What brand: tomei
What lift/duration etc: 256 deg 11.5mm lift
Max power achieve at what boost: 540 on 29psi

[kdog]

Ticc, on 09 February 2013 - 07:41 PM, said:

Make and model: S13 Silvia
Size of engine: 2l
Modifications to the car: E85, vipec ecu, 1000cc injectors to many more ot list
Type of turbo:GTX3076
Trim of turbo:
Rear Exhaust housing: 0.82
When does vehicle begin boost: 2700
When does vehicle reach full boost and what PSI: 4400
Does the vehicle have Cams? if so; yes
What brand: tomei
What lift/duration etc: 256 deg 11.5mm lift
Max power achieve at what boost: 540 on 29psi

make a build thread in members rides i want to know more
do you have a twin scroll manifold ???
post up full specs of your engine please and a photo

[R-Tune]

Ticc, on 09 February 2013 - 07:41 PM, said:

Make and model: S13 Silvia
Size of engine: 2l
Modifications to the car: E85, vipec ecu, 1000cc injectors to many more ot list
Type of turbo:GTX3076
Trim of turbo:
Rear Exhaust housing: 0.82
When does vehicle begin boost: 2700
When does vehicle reach full boost and what PSI: 4400
Does the vehicle have Cams? if so; yes
What brand: tomei
What lift/duration etc: 256 deg 11.5mm lift
Max power achieve at what boost: 540 on 29psi

Great result ! Thats a lot of power for 1000cc injectors ??

[Xxx_Ruff_Ryda_xxX]

Ticc, on 09 February 2013 - 07:41 PM, said:

Make and model: S13 Silvia
Size of engine: 2l
Modifications to the car: E85, vipec ecu, 1000cc injectors to many more ot list
Type of turbo:GTX3076
Trim of turbo:
Rear Exhaust housing: 0.82
When does vehicle begin boost: 2700
When does vehicle reach full boost and what PSI: 4400
Does the vehicle have Cams? if so; yes
What brand: tomei
What lift/duration etc: 256 deg 11.5mm lift
Max power achieve at what boost: 540 on 29psi

Injector size for E85 and camshaft selection seems insufficient to pull 540 rwhp, got a dynosheet?

[kdog]

me thinking same thing

[DRE20]

I agree.. Although mine was making 310kw atw with 69% duty cycle on the injectors and running 98ron fuel so... But that's over 100hp atw more then mine so I doubt it

Edited by DRE20, 13 February 2013 - 06:01 PM.

[tekung]

Make and model: SR20 s15
Size of engine: 2l JE forge piston and nitto headgasket low comp ratio build
Modifications to the car: E85, haltech ps1000, 1200cc JEC injectors
Type of turbo:precision 5558
Rear Exhaust housing: 0.63
When does vehicle begin boost: 2000
When does vehicle reach full boost and what PSI: 4400rpm 22psi
Does the vehicle have Cams? if so; yes
What brand: Brian crower
What lift/duration etc: 272
Max power achieve at what boost: 270kw @ 22psi rising to 25psi

still having problems, will hop on the dyno after some minor things are fixed

Edited by tekung, 06 November 2013 - 09:32 PM.

[Touge king]

Sr20
Motec m800
Gtx3071.63
740cc injectors
Pump fuel
22psi 419hp

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[RUF200]

Make and model: s14a
Size of engine: 2.0L
Modifications to the car: Greddy FMIC, Tomei exhaust manifold, z32, Tomei 550 injectors, Walbro 341 fuel pump, 3in turbo back exhaust, turbosmart boost tee, NIStune
Type of turbo: Garrett 2871
Trim of turbo: 52
Rear Exhaust housing: 64
When does vehicle begin boost: 3500
When does vehicle reach full boost and what PSI: 3900 - 18psi
Does the vehicle have Cams? if so;
What brand: Tomei poncams
What lift/duration etc: 11.5/256
Max power achieve at what boost: 241.3 rwkw / 98 pump fuel

Tuned by Pete from PLMS Development. Stoked with the work Pete does, highly recommend him.

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Edited by RUF200, 30 December 2013 - 07:31 PM.

[HyperGear]

Make and model: s14
Size of engine: 2.0L
Modifications to the car:
PWR FMIC,
motorware exhaust manifold,
z32 AFM,
650 injectors,
Walbro fuel pump,
3in turbo back exhaust,
EBC
NIStune

Type of turbo: HyperGear ATR28SS1
Rear Exhaust housing: 86
When does vehicle reach full boost and what PSI: 4126 - 21psi
Does the vehicle have Cams? if so;
What brand: BC stage 2, No VCT support.
What lift/duration etc: 12.6/264
Max power achieve at what boost: 258 rwkw
Pump 98 fuel

258rwkws @ 20psi:



VCT controlling unit has been taken out, which would have made a significant difference in response.




This car was purchased with a Garrett GT3071 on board and tuned.

ATR28SS1 Vs Garrett GT3071

Edited by HyperGear, 20 December 2013 - 07:13 PM.

[s15rocket]

^^^ So basically the Garrett kicks ass over the other turbo? Or am I reading it wrong?

Pretty interesting to compare these turbos to mine considering they were done on the same dyno. I can't help but notice I'm putting out slightly less power (t518z) yet I have much higher torque and at much lower km's. I put out my max torque at 120km/hr at 430nm, For me this is 3rd gear and I've notice this where I pull ahead of most challengers who try to take me on. 80km-140km is where I usually pull ahead by 1-2 car lengths from most challengers. After that my turbo goes pretty flat and that's when the bigger turbos catch up to me but usually the race is over by then

Edited by s15rocket, 11 January 2014 - 10:31 PM.

[HyperGear]

s15rocket, on 11 January 2014 - 10:29 PM, said:

^^^ So basically the Garrett kicks ass over the other turbo? Or am I reading it wrong?

You have read it wrong. The ATR28SS1 Have beat the Garrett 3071 in both power and response.

[pur40m]

Yeah it's definately abit laggey for the power
but you got VCt working where hypergear hasn't
Which would be where some of that response and bottom end power will be
But with that said you should atleast try a .64 rear first on that atrss1
If it shifted the power 500rpm earlier but only lost 5-10rwkw it would be awesome and worth the top end power loss
As on the street you would rather the power down low and how often will you be at 6-7500rpm unless your a pro drifter

[Tom Tucker]

Make and model: s15
Size of engine: 2.0L
Modifications to the car: Haltech platinum pro, ID1000cc injectors, plazmaman plenum, 38mm tial external gate, powertune exhaust manifold
Type of turbo: Garrett gtx3071
Trim of turbo: 56
Rear Exhaust housing: 63
When does vehicle begin boost: 3500
When does vehicle reach full boost and what PSI: 4000rpm
Does the vehicle have Cams? if so;
What brand: Tomei Procams
What lift/duration etc: 260/260 12mm
Max power achieve at what boost: 393rwhp @ 22psi

E85 results in the next two weeks...

[galant_x]

Make and model: s14a
Size of engine: 2.0L
Modifications to the car: E-bay FMIC, OEM exhaust manifold,OEM intake manifold with 60 mm TB,JIC 850 injectors, Walbro 255, 3in turbo back exhaust, Vi-pec plugin board
Type of turbo: GTX 2867
Trim of turbo: 55
Rear Exhaust housing: 64
When does vehicle begin boost: 3000
When does vehicle reach full boost and what PSI: 3750-4000 - 22psi (dose creep to 26 psi at mid, but thats just due to bad set EBC)
Does the vehicle have Cams? if so;
What brand: Tomei poncams
What lift/duration etc: 11.5/256
Max power achieve at what boost: 413 RWHP / 98 pump fuel

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[HyperGear]

^^^
You might have quoted the turbine type wrong because .64 internally gated with a tinny 56mm turbine can never blow 308rwkws on a Pon camed SR20det and P98 fuel. Also might want to point out the DIN dyno correction your tuner is using reads higher then SAE corrections which modern dynapack uses. The boost drop behavior is due to the size of the exhaust wheel and housing configuration which creeped way too much back pressure, and the size of the compressor that can not supply enough air supporting 26psi satisfying engine's consumption at given RPMs. Similar scenario apply to our evaluation below:


Make and model: s14
Size of engine: 2.0L
Modifications to the car:
PWR FMIC,
motorware exhaust manifold,
z32 AFM,
650 injectors,
Walbro fuel pump,
3in turbo back exhaust,
EBC
NIStune

Type of turbo: HyperGear ATR28SS15
Rear Exhaust housing: 64
When does vehicle reach full boost and what PSI: 3800RPMs @ 20psi
Does the vehicle have Cams? if so;
What brand: BC stage 2, No VCT support.
What lift/duration etc: 12.6/264
Max power achieve at what boost: 270 rwkw
Pump 98 fuel

[Tom Tucker]

^ spot on, there's no way a gtx2867 can legitimately make that figure on 98 pump

[HyperGear]

Make and model: s14
Size of engine: 2.0L
Modifications to the car:
PWR FMIC,
motorware exhaust manifold,
z32 AFM,
650 injectors,
Walbro fuel pump,
3in turbo back exhaust,
EBC
Adaptronic ECU

Type of turbo: HyperGear ATR28SS2
Rear Exhaust housing: 64
When does vehicle reach full boost and what PSI: 4000RPMs @ 20psi
Does the vehicle have Cams? if so;
What brand: BC stage 2, Factory VCT support.
What lift/duration etc: 12.6/264
Max power achieve at what boost: 308rwkw @ 24psi,
Pump 98 fuel

Edited by HyperGear, 10 April 2014 - 08:52 PM.

[HyperGear]

Make and model: s14
Size of engine: 2.0L
Modifications to the car:
PWR FMIC,
motorware exhaust manifold,
z32 AFM,
650 injectors,
Walbro fuel pump,
3in turbo back exhaust,
EBC
NIStune

Type of turbo: HyperGear ATR28SS15
Rear Exhaust housing: 64
When does vehicle reach full boost and what PSI: 3650RPMs @ 20psi
Does the vehicle have Cams? if so;
What brand: BC stage 2, VCT support.
What lift/duration etc: 12.6/264
Max power achieve at what boost: 251 rwkw
Pump 98 fuel

[Mikans_06]

King Troll, on 10 June 2012 - 10:02 PM, said:

Make and model: s14 sr20

Modifications to the car: all the basic shit. z32 afm, 38mm turbosmart gate, 850cc sard injectors

Type of turbo: garrett gt3071r T2 version

Trim of turbo: 56T

Rear Exhaust housing: .86 which is way too big on a 2L

When does vehicle begin boost: 2k

When does vehicle reach full boost and what PSI: 4500 - 17psi

Does the vehicle have Cams? if so; poncams

Max power achieve at what boost: 290hp/215kw

its laggy as f**k and the power figures low, but its nuts once on boost which to me is a prime example of a power figure being nothing more than a meaningless number. definitely a funny turbo, the guy i bought it off didnt make much power with it either but said it was crazy once on boost aswell

A 3071 is good for way more than that, I'd be looking at things other than the turbo.

I have an S15 Spec R GT
GTX3071 turbo with a .82 rear housing
264/264 BC cams with Tomei cam gears
Nismo 740cc injectors
Walbro fuel pump
Powertune manifold with a turbo smart 50mm external waste gate
Running 20 psi comes on boost at about 4200 rpm
Makes 307kw and 770nm of torque

Found that the .82 housing is more responsive than a .63 on this set up, awesome little turbo's

[s15rocket]

^^ No way your car is putting out 770nm of torque bro. V8's dont even do that. 500nm is about as much as an SR can possibly do with its small 2.0L displacement.

But yes 215rwkw is WAY to low for a 3071r. First thing I'd be checking is whether or not I had a blocked cat.

Edited by s15rocket, 16 June 2014 - 02:55 PM.

[Mikans_06]

s15rocket, on 16 June 2014 - 02:53 PM, said:

^^ No way your car is putting out 770nm of torque bro. V8's dont even do that. 500nm is about as much as an SR can possibly do with its small 2.0L displacement.

But yes 215rwkw is WAY to low for a 3071r. First thing I'd be checking is whether or not I had a blocked cat.

I'll post up a dyno sheet, I've seen V8's putting out way more torque than that.

And yeah I'd be checking all that sort of stuff as well

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[Mikans_06]

HyperGear, on 12 January 2014 - 12:01 AM, said:

s15rocket, on 11 January 2014 - 10:29 PM, said:

^^^ So basically the Garrett kicks ass over the other turbo? Or am I reading it wrong?

You have read it wrong. The ATR28SS1 Have beat the Garrett 3071 in both power and response.

If I read correctly the ATR had a .86 housing and the Garrett had a .64? I see further down you have changed it but at the time of the comparison

Doesn't really make a fair comparison as in some cases the bigger housings will flow more efficiently, causing the turbo to be more responsive, if this is the case with this car then the sheer fact of it having a different housing size can affect spool time also. And before anyone gets on me about bigger housings 100% of the time being laggier I'l post up my sheet when I went from a .63 on a GTX3071 to a .82

The red line is a .82

And by the looks of your graph isn't the 3071 making roughly the same power with a smaller housing? So wouldn't making them both the same size housing make it a fairer comparison? Not trying to have a go just asking a question

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Edited by Mikans_06, 18 June 2014 - 04:11 PM.

[KillaFlop]

We've added most of the SR20 dyno graphs in this thread into http://www.trak-life...sheet-database/

Myself and Johnnilicte have recently taken it upon ourselves to scour through forums and the web to compile a comprehensive database of power setups that's easily searchable based on certain criteria.

Hopefully the community finds it useful... we do need more dyno graphs though so feel free to shoot them through, instructions on the main dyno page

[soloo200]

Make and model: s15
Size of engine: 2.2L bored not stroked
Modifications to the car:
Heaps
9:1 comp 90mm cp pistons
Decompressed chambers
Darton sleeved
Ported head
60mm throttle body
z32 AFM,
850 injectors,
Walbro fuel pump,
3in turbo back exhaust
NIStune
I've missed some stuff

Type of turbo: HyperGear td06
Rear Exhaust housing: 8cm
When does vehicle reach full boost and what PSI: not too sure but it comes on quick
Does the vehicle have Cams? if so;
What brand: Tomei poncam
What lift/duration etc: 11.5 256
Max power achieve at what boost: 256rwkw 14psi wastegate pressure, run in tune