Notices
ScoobyNet General General Subaru Discussion
Sponsored by:
Sponsored by:

Power run

Thread Tools
 
Search this Thread
 
Old 27 November 2019, 04:41 PM
  #1  
Ocalw
Scooby Newbie
Thread Starter
 
Ocalw's Avatar
 
Join Date: Mar 2019
Location: North east
Posts: 26
Received 1 Like on 1 Post
Default Power run

Subaru Impreza 2.0 na sports wagon 2007.

so guys just had a power run done on my wagon to see what she is doing.
So I’ve attached my run showing afr which seem to be all over anyone shed some light on what could be causing it? (Lambdas are all good as is the map and maf)
any advice would be appreciated.


Last edited by Ocalw; 27 November 2019 at 05:15 PM.
Old 01 December 2019, 12:51 AM
  #2  
The Rig
Scooby Regular
iTrader: (13)
 
The Rig's Avatar
 
Join Date: Dec 2002
Posts: 7,883
Received 8 Likes on 8 Posts
Default

Thats stock subaru afr1s right there an an N/A
Old 01 December 2019, 01:00 AM
  #3  
jaygsi
Scooby Regular
iTrader: (46)
 
jaygsi's Avatar
 
Join Date: Apr 2007
Location: uk
Posts: 14,530
Received 256 Likes on 222 Posts
Default

He's already put its NA. Powers coming through ok at over 160bhp. Have you thought of getting it mapped.
Old 01 December 2019, 09:51 AM
  #4  
Ocalw
Scooby Newbie
Thread Starter
 
Ocalw's Avatar
 
Join Date: Mar 2019
Location: North east
Posts: 26
Received 1 Like on 1 Post
Default

Originally Posted by jaygsi
He's already put its NA. Powers coming through ok at over 160bhp. Have you thought of getting it mapped.
i have yeah but as stock ecu and na can only get stage 1, you reckon that would help the afr at 2.5 - 3.5k rpm as no real power in that range as goes its lean?
Old 01 December 2019, 10:10 AM
  #5  
Don Clark
Scooby Regular
 
Don Clark's Avatar
 
Join Date: Feb 2003
Location: Harpenden
Posts: 7,559
Received 747 Likes on 620 Posts
Default

Originally Posted by Ocalw
i have yeah but as stock ecu and na can only get stage 1, you reckon that would help the afr at 2.5 - 3.5k rpm as no real power in that range as goes its lean?

The dynos not really recording anything below 2400 rpm.

As has been said in previous posts the afr's shown are realistic for a N/A Subaru.

It has been posted on other forums (NASIOC; RS25) that "12.5-13.0 is the best torque optimized AFR" for N/A engines.

What does the torue curve look like?


The stoichiometric mixture for a gasoline engine is the ideal ratio of air to fuel that burns all fuel with no excess air. For gasoline fuel, the stoichiometric air–fuel mixture is about 14.7:1 i.e. for every one gram of fuel, 14.7 grams of air are required.

Last edited by Don Clark; 01 December 2019 at 11:10 AM.
Old 01 December 2019, 12:25 PM
  #6  
The Rig
Scooby Regular
iTrader: (13)
 
The Rig's Avatar
 
Join Date: Dec 2002
Posts: 7,883
Received 8 Likes on 8 Posts
Default

Originally Posted by jaygsi
He's already put its NA. Powers coming through ok at over 160bhp. Have you thought of getting it mapped.

yeah I know I read hence my reply that's stock na afr's what was hard to understand ??
Old 01 December 2019, 03:10 PM
  #7  
Ocalw
Scooby Newbie
Thread Starter
 
Ocalw's Avatar
 
Join Date: Mar 2019
Location: North east
Posts: 26
Received 1 Like on 1 Post
Default

Originally Posted by Don Clark
The dynos not really recording anything below 2400 rpm.

As has been said in previous posts the afr's shown are realistic for a N/A Subaru.

It has been posted on other forums (NASIOC; RS25) that "12.5-13.0 is the best torque optimized AFR" for N/A engines.

What does the torue curve look like?

ill attach a copy of the torque when I get home so you can have look

Trending Topics

Old 01 December 2019, 04:52 PM
  #8  
Ocalw
Scooby Newbie
Thread Starter
 
Ocalw's Avatar
 
Join Date: Mar 2019
Location: North east
Posts: 26
Received 1 Like on 1 Post
Default

Originally Posted by Ocalw
ill attach a copy of the torque when I get home so you can have look
torque flow from the same run.

Old 01 December 2019, 05:09 PM
  #9  
ossett2k2
Scooby Regular
iTrader: (9)
 
ossett2k2's Avatar
 
Join Date: Jan 2007
Location: Leeds
Posts: 6,433
Received 39 Likes on 27 Posts
Default

Looks ok does that,I've seen worse torque/bhp figures from some turbo maps
Old 01 December 2019, 05:24 PM
  #10  
Ocalw
Scooby Newbie
Thread Starter
 
Ocalw's Avatar
 
Join Date: Mar 2019
Location: North east
Posts: 26
Received 1 Like on 1 Post
Default

Originally Posted by ossett2k2
Looks ok does that,I've seen worse torque/bhp figures from some turbo maps
haha cheers when I checked factory bhp was something like 158/160 so for it to be doing 164.4 now I was like I’ll take it hahaha

so may consider stage 1 map if anyone can suggest someone in the north East Midlands area’s?
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
joe1r23
General Technical
3
04 August 2014 06:57 PM
P1Marty
General Technical
2
13 September 2009 03:00 PM
Juliano
General Technical
4
23 December 2005 11:22 AM



Quick Reply: Power run



All times are GMT +1. The time now is 10:17 AM.