Insert BS here A place to discuss anything you want

Convince me to keep the gt2860rs

Thread Tools
 
Search this Thread
 
Old 05-06-2008, 03:12 PM
  #41  
Boost Czar
iTrader: (62)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 79,493
Total Cats: 4,080
Default

paul's 300 run is uncorrected. if he used SAE it would 97% CF factor. or 290rwhp.
Braineack is offline  
Old 05-06-2008, 03:43 PM
  #42  
I'm Miserable!
 
MX5-4me's Avatar
 
Join Date: May 2007
Posts: 589
Total Cats: 0
Default

Originally Posted by Braineack
paul's 300 run is uncorrected. if he used SAE it would 97% CF factor. or 290rwhp.
Sounds like we need to start a Dyno Thread.. I thought SAE correction could only be figured if you knew the air density on the day of the pull.
MX5-4me is offline  
Old 05-06-2008, 04:11 PM
  #43  
Elite Member
Thread Starter
iTrader: (5)
 
johndoe's Avatar
 
Join Date: Mar 2007
Location: NYC
Posts: 1,970
Total Cats: 1
Default

Edit: Y8s is smart I are dumb.

Last edited by johndoe; 05-06-2008 at 05:07 PM.
johndoe is offline  
Old 05-06-2008, 04:43 PM
  #44  
y8s
2 Props,3 Dildos,& 1 Cat
iTrader: (8)
 
y8s's Avatar
 
Join Date: Jun 2005
Location: Fake Virginia
Posts: 19,338
Total Cats: 573
Default

Originally Posted by y8s
dynojet records raw data and test conditions and you can pick whatever correction factor you want in the software.
i'm gonna quote myself here just because.
y8s is offline  
Old 05-06-2008, 05:36 PM
  #45  
Boost Czar
iTrader: (62)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 79,493
Total Cats: 4,080
Default

Originally Posted by MX5-4me
Sounds like we need to start a Dyno Thread.. I thought SAE correction could only be figured if you knew the air density on the day of the pull.
there is a dyno section.

dynojet records raw data and test conditions...
cant do much else to fudge the numbers...that's why they are actually best for power pulls. and especially since we've all used the same dyno for the last 5 years now.
Braineack is offline  
Old 05-07-2008, 12:10 AM
  #46  
Tour de Franzia
iTrader: (6)
 
hustler's Avatar
 
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,085
Total Cats: 375
Default

Originally Posted by johndoe
Edit: Y8s is smart I are dumb.
nice av btw.
hustler is offline  
Old 05-07-2008, 12:35 AM
  #47  
Elite Member
Thread Starter
iTrader: (5)
 
johndoe's Avatar
 
Join Date: Mar 2007
Location: NYC
Posts: 1,970
Total Cats: 1
Default

Thank you, I'm here to entertain
johndoe is offline  
Old 05-07-2008, 08:16 AM
  #48  
Elite Member
iTrader: (21)
 
paul's Avatar
 
Join Date: Jun 2006
Location: Point Pleasant, NJ
Posts: 2,957
Total Cats: 2
Default

Originally Posted by MX5-4me
Sounds like we need to start a Dyno Thread.. I thought SAE correction could only be figured if you knew the air density on the day of the pull.
we do know the air density that day. that data is recorded with the other dyno data. it was 29.96 in-Hg
paul is offline  
Old 05-07-2008, 08:42 AM
  #49  
Boost Czar
iTrader: (62)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 79,493
Total Cats: 4,080
Default



these are typical results from the BEGi kit using a 2860, this is a '99. I'd hit it.
Braineack is offline  
Old 05-07-2008, 10:12 AM
  #50  
Senior Member
iTrader: (19)
 
pschmidt's Avatar
 
Join Date: Oct 2007
Location: MoCo, MD
Posts: 703
Total Cats: 0
Default

Originally Posted by hustler
12psi at 3500rpm is ******* perfect. I don't see how anyone could ask anymore from a turbocharger. If you're expecting tire smoke at 2500rpm, you're a moron. My turbo on the corrado spooled at 4000rpm, and it drove just fine. I had no complaints.

What motor?
For not it's a stock 99 with a Begi S4 manifold.
pschmidt is offline  
Old 05-07-2008, 10:40 AM
  #51  
Elite Member
iTrader: (21)
 
paul's Avatar
 
Join Date: Jun 2006
Location: Point Pleasant, NJ
Posts: 2,957
Total Cats: 2
Default

Originally Posted by MX5-4me
So what was the Air Temperature, Absolute Pressure and Vapor Pressure. That is the data you need for SAE Correction. The number you gave sounds like Absolute Pressure but what about the other 2 factors? Does the data show your correction factor in a %?

Like I said this needs to be in another thread because it seems most folks don't really know what you need to do proper corrections. There are dyno places that add in different corrections (like the guy that did mine). The factors above are what you need to know. The air temp you need is the temp of the air going into the intake side of the head. This is hard to messure on an FI car. This is why most correction factors are wrong with FI. They use the outside air temp or the temp of the air in the room with the dyno. Very few cars are set up to meter that temp. I don't have close to all the answer I have way more question than I have answer to this and I don't know the difference between dyno formats. I got very different number on a Dyno Dynamics dyno than I did on a Dynojet.

My car got 113.8 WHP on a Dynojet and 85 whp on a Dyno Dynamics bone stock. Those are very different numbers depending on how they were achived.

On the Dyno Dynamics after the turbo went on gave me a number of 180.2 the guy who ran the dyno told me he uses an 18% correction to imitate a dynojet. That would put your 300 WHP pull to about 246 WHP or your 246 pull to about 202 whp on a Dyno Dynamics. Why the hell are these different formats so different on the number and which ones are real world numbers?

I think it’s great that you squeezed those numbers out of your car but are they real world? I guess you will have a better idea once you get it on the other dyno. You have nothing to prove to me although it seems like you feel like you do. What I think you should be concerned about is the dyno guys blowing smoke up your *** just to get you to come back with inflated numbers. If the guy running my dyno can just randomly add 18% then i'm guessing any place can add whatever the hell the want to make the customers happy.
Actually I don't feel I need to prove anything to you. I was simply answering your question about the air density. I am as curious as the next guy as to how the corrections are calculated. I know different dynos will show different hp/tq on the same car. I do feel that is it entirely fair to compare my results to the others that were there using the same dyno.
paul is offline  
Old 05-07-2008, 10:50 AM
  #52  
Tour de Franzia
iTrader: (6)
 
hustler's Avatar
 
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,085
Total Cats: 375
Default

Originally Posted by pschmidt
For not it's a stock 99 with a Begi S4 manifold.
for not? It is or is not a stock motor?
hustler is offline  
Old 05-07-2008, 11:04 AM
  #53  
Senior Member
iTrader: (19)
 
pschmidt's Avatar
 
Join Date: Oct 2007
Location: MoCo, MD
Posts: 703
Total Cats: 0
Default

Originally Posted by hustler
for not? It is or is not a stock motor?

Goddamn broken keyboard.

For now it's a stock 99 with a Begi S4 manifold.

I have a '94 block torn down getting ETD rods, Wisecos, and ARP treatment everywhere in the next few months. That should let me turn up the fun **** to 20+ psi if the 550cc injectors are up to it.
pschmidt is offline  
Old 05-07-2008, 11:09 AM
  #54  
Elite Member
iTrader: (21)
 
paul's Avatar
 
Join Date: Jun 2006
Location: Point Pleasant, NJ
Posts: 2,957
Total Cats: 2
Default

my 550's see 70% duty cycle at my power level. granted i run a 190LPH with stock FPR so my max fuel pressure is like 55 i think.
paul is offline  
Old 05-07-2008, 11:12 AM
  #55  
Tour de Franzia
iTrader: (6)
 
hustler's Avatar
 
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,085
Total Cats: 375
Default

Originally Posted by pschmidt
Goddamn broken keyboard.

For now it's a stock 99 with a Begi S4 manifold.

I have a '94 block torn down getting ETD rods, Wisecos, and ARP treatment everywhere in the next few months. That should let me turn up the fun **** to 20+ psi if the 550cc injectors are up to it.
what head in the original example?
hustler is offline  
Old 05-07-2008, 11:38 AM
  #56  
Elite Member
Thread Starter
iTrader: (5)
 
johndoe's Avatar
 
Join Date: Mar 2007
Location: NYC
Posts: 1,970
Total Cats: 1
Default

Originally Posted by hustler
what head in the original example?
I would imagine a stock 99 head.
johndoe is offline  
Old 05-07-2008, 12:42 PM
  #57  
Senior Member
iTrader: (19)
 
pschmidt's Avatar
 
Join Date: Oct 2007
Location: MoCo, MD
Posts: 703
Total Cats: 0
Default

Originally Posted by johndoe
I would imagine a stock 99 head.
Yeah, all stock '99 motor in a '99 chassis.
pschmidt is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Cody Strife
MEGAsquirt
1
04-06-2008 11:10 PM
Cody Strife
Prefabbed Turbo Kits
15
03-26-2008 11:47 AM
jwarriner
Prefabbed Turbo Kits
20
03-04-2008 09:46 PM
Cody Strife
DIY Turbo Discussion
4
03-03-2008 11:53 AM
kung fu jesus
Miata parts for sale/trade
10
07-12-2006 01:54 PM



Quick Reply: Convince me to keep the gt2860rs



All times are GMT -4. The time now is 02:56 PM.