Notices
DIY Turbo Discussion greddy on a 1.8? homebrew kit?

1.8 NA with GT28RS .86AR dyno

Old Jan 16, 2010 | 03:16 PM
  #1  
avante43's Avatar
Thread Starter
Junior Member
 
Joined: Jan 2008
Posts: 92
Total Cats: 0
From: Sparta, NJ
Default 1.8 NA with GT28RS .86AR dyno

Just got back from the dyno.
Im running a Begi cast manifold stainless downpipe, 3 inch cat and exhaust.
My injectors are getting closed to maxed out and my IAT were rising due to my small BegiS intercooler so I limited boost to 11 to 12psi and very conservative timing on 93 octane.

Old Jan 16, 2010 | 03:22 PM
  #2  
Full_Tilt_Boogie's Avatar
Elite Member
iTrader: (1)
 
Joined: May 2009
Posts: 5,155
Total Cats: 409
From: Jacksonville, FL
Default

Looks pretty good to me for 11psi. That turbo should really wake up with a little bit more boost
Old Jan 16, 2010 | 05:27 PM
  #3  
shlammed's Avatar
Elite Member
iTrader: (8)
 
Joined: Dec 2008
Posts: 2,910
Total Cats: 51
From: Kingston, Ontario
Default

what injector size were you running to max them out at that hp?
Old Jan 18, 2010 | 10:19 AM
  #4  
avante43's Avatar
Thread Starter
Junior Member
 
Joined: Jan 2008
Posts: 92
Total Cats: 0
From: Sparta, NJ
Default

Originally Posted by shlammed
what injector size were you running to max them out at that hp?
Rx7 460s with a stock fuel pump. I have some room left but I don't want to go over 80% duty.
Old Jan 18, 2010 | 10:22 AM
  #5  
SKMetalworks's Avatar
Elite Member
iTrader: (7)
 
Joined: Jan 2007
Posts: 1,731
Total Cats: 4
From: Renton Washington
Default

Looks awsome. Im hoping for similar numbers on my tubular manifold on a 1.6
Old Jan 18, 2010 | 03:13 PM
  #6  
shlammed's Avatar
Elite Member
iTrader: (8)
 
Joined: Dec 2008
Posts: 2,910
Total Cats: 51
From: Kingston, Ontario
Default

Originally Posted by SKMetalworks
Looks awsome. Im hoping for similar numbers on my tubular manifold on a 1.6
me too, which is why i am worried about if my RC440's will be enough now.
Old Jan 18, 2010 | 03:16 PM
  #7  
TurboTim's Avatar
Elite Member
iTrader: (9)
 
Joined: Jun 2006
Posts: 7,035
Total Cats: 425
From: Chesterfield, NJ
Default

Very nice! I decided to build a setup with this turbo. I have both .86 & .64 tial turbines and hopefully will work with a dyno shop that will let me dyno both the same day for the same fee.
Old Jan 18, 2010 | 03:21 PM
  #8  
Braineack's Avatar
Boost Czar
iTrader: (62)
 
Joined: May 2005
Posts: 80,552
Total Cats: 4,368
From: Chantilly, VA
Default

I wouldnt be disappointed with those numbers..
Old Jan 18, 2010 | 03:57 PM
  #9  
avante43's Avatar
Thread Starter
Junior Member
 
Joined: Jan 2008
Posts: 92
Total Cats: 0
From: Sparta, NJ
Default

Since I had a couple people ask:
The tuning was done on a dynapack dyno at evans tuning in PA (right across the delaware river from Route 80) Jeff Evans is an awesome tuner and very familar with the AEM EMS.
Old Jan 19, 2010 | 04:57 PM
  #10  
Stephanie Turner's Avatar
Former Vendor
 
Joined: Jun 2006
Posts: 1,337
Total Cats: -100
From: Bell Tuning & Performance
Default

Cool! Nice Job!
Stephanie
Old Jan 19, 2010 | 05:34 PM
  #11  
hustler's Avatar
Tour de Franzia
iTrader: (6)
 
Joined: Jun 2006
Posts: 29,085
Total Cats: 375
From: Republic of Dallas
Default

High numbers, better than me with the same equipment and less manifold pressure...probably because of my low static compression.

BTW, that turbo doesn't start to shine until 15+psi though. 15psi through mine would put me well into 300whp on a dynojet.

Last edited by hustler; Jan 19, 2010 at 05:46 PM.
Old Jan 19, 2010 | 05:51 PM
  #12  
dustinb's Avatar
Elite Member
 
Joined: Feb 2008
Posts: 2,321
Total Cats: 14
From: Victoria, BC
Default

Great numbers! I'm hoping for something very similar with my new setup (on its way).
Old Jan 19, 2010 | 06:07 PM
  #13  
94blackmx5's Avatar
Junior Member
 
Joined: Mar 2009
Posts: 221
Total Cats: -1
From: maine
Default

what are you running for engine managment?
Old Jan 19, 2010 | 06:35 PM
  #14  
ArtieParty's Avatar
Senior Member
iTrader: (1)
 
Joined: Sep 2007
Posts: 1,118
Total Cats: 0
From: Trenton, NJ
Default

Originally Posted by avante43
Since I had a couple people ask:
The tuning was done on a dynapack dyno at evans tuning in PA (right across the delaware river from Route 80) Jeff Evans is an awesome tuner and very familar with the AEM EMS.
If you dont mind me asking, how much did you pay and how long did he take to tune? Im looking to tune spark on mine and rt 80 is only about an hour and a half away.
Old Jan 19, 2010 | 07:23 PM
  #15  
Rafa's Avatar
Elite Member
iTrader: (22)
 
Joined: Dec 2006
Posts: 3,224
Total Cats: 3
From: Sunny Spanish speaking Non US Caribbean
Default

Originally Posted by 94blackmx5
what are you running for engine managment?

aem
Old Jan 19, 2010 | 09:04 PM
  #16  
flier129's Avatar
Elite Member
iTrader: (7)
 
Joined: Jan 2008
Posts: 2,750
Total Cats: 320
From: Statesville, NC
Default

Nice !

My next turbo will be the gt28rs. Hopefully Tim will have done enough testing to determine which size turbine is better by the time I'm ready to buy .
Old Jan 19, 2010 | 10:50 PM
  #17  
TurboTim's Avatar
Elite Member
iTrader: (9)
 
Joined: Jun 2006
Posts: 7,035
Total Cats: 425
From: Chesterfield, NJ
Default

It'll also mean i'll be suck with the turbine that doesn't work as well.
Old Jan 19, 2010 | 11:43 PM
  #18  
flier129's Avatar
Elite Member
iTrader: (7)
 
Joined: Jan 2008
Posts: 2,750
Total Cats: 320
From: Statesville, NC
Default

Originally Posted by TurboTim
It'll also mean i'll be suck with the turbine that doesn't work as well.



Old Jan 20, 2010 | 10:20 AM
  #19  
avante43's Avatar
Thread Starter
Junior Member
 
Joined: Jan 2008
Posts: 92
Total Cats: 0
From: Sparta, NJ
Default

Originally Posted by ArtieParty
If you dont mind me asking, how much did you pay and how long did he take to tune? Im looking to tune spark on mine and rt 80 is only about an hour and a half away.
Jeff charges a flat fee of $600 to setup/tune an AEM EMS. I think his hourly rate for retunes/dyno is $150 an hour. Id give them a call or email them to find out more. They also give pretty nice discounts if you buy the EMS from them and get it tuned. It would have actually been much cheaper for me to have just bought the EMS from him in the first place.

As for time on the dyno, we started around 11:30am and we were off the dyno at around 4pm and then spent another 15 mins or so checking how the car did just driving around town. I think everything could have been done faster but I kept having weird wastegate/boost solenoid issues which slowed us down.

My car would either boost really steady at 10psi, then after changing the duty cycle by like 1% on the boost solenoid my car would all of a sudden boost all the way to boost/fuel cut (14.5psi). My MAC solenoid that Im running doesnt seem to like to run more than 50% duty cycle. Boost would climb steadily if I adjusted all the way to 50%, but when I even changed it to 51%, it would go all the way to fuel cut. Took some time fiddling with the actuator tension to get it to be a stable 11 to 12 psi
Old Jan 20, 2010 | 10:23 AM
  #20  
avante43's Avatar
Thread Starter
Junior Member
 
Joined: Jan 2008
Posts: 92
Total Cats: 0
From: Sparta, NJ
Default

Originally Posted by hustler
High numbers, better than me with the same equipment and less manifold pressure...probably because of my low static compression.

BTW, that turbo doesn't start to shine until 15+psi though. 15psi through mine would put me well into 300whp on a dynojet.
Yeah, I know this turbo really shines in the 15 to 20psi range. Now I just need to build my motor, get larger injectors, get larger intercooler, get an Absurdflow, a V-band housing and retune.

It really sucks that with the log manifold, stock head, etc I can barely run any timing compared to what guys running nicer manifolds and bigger housings can.

Thread Tools
Search this Thread

All times are GMT -4. The time now is 10:15 AM.