NA 6port streetport dynoed at 195whp (update)
04-24-05, 04:18 PM
#1
i am not a girl
Thread Starter
iTrader: (13)
Join Date: Aug 2001
Location: CT
Posts: 1,916
Likes: 0
Received 0 Likes
on
0 Posts
NA 6port streetport dynoed at 195whp (update)
this is an update to the previous thread
https://www.rx7club.com/time-slips-dyno-128/na-streetport-6-port-dynoed-182whp-details-inside-416012/
installed an AFC, went back to the dyno only to find out that the computer will not let the injector duty cycle go up any higer as i am sure the 460 shouln't be maxing out just yet. i guess the stock computer, even regulated with an afc doesn't let the duty cycle go up any higher, had to find out the hard way. i couldnt get my wideband on prior to the dyno since i did the AFC isntall right outside of the dyno and didnt get a chance to test the AFRs before strapping it on (someting with the o2 bung being busted and the o2 not comming out?)
the car is still lean, i guess well throw in some bigger secondaries and then get the wideband on later and hopefully hit the dyno again. this car shoudl put down over 200 once the AFRs are where they should be.
the green line is from the last time the car was on the dyno with no fuel controller
the red line is the fuel return line being clamped with a set of locking pliars(to raise the fuel pressure)
and the blue line is what the car left with after adjusting the afc (the locking pliars removed
)
the afc helped correct the fuel curve under 5000 rpm and made a bit more power, and only a minor correction up from 6500 rpm at which point the afc could not be adjusted any more.
https://www.rx7club.com/time-slips-dyno-128/na-streetport-6-port-dynoed-182whp-details-inside-416012/
installed an AFC, went back to the dyno only to find out that the computer will not let the injector duty cycle go up any higer as i am sure the 460 shouln't be maxing out just yet. i guess the stock computer, even regulated with an afc doesn't let the duty cycle go up any higher, had to find out the hard way. i couldnt get my wideband on prior to the dyno since i did the AFC isntall right outside of the dyno and didnt get a chance to test the AFRs before strapping it on (someting with the o2 bung being busted and the o2 not comming out?)
the car is still lean, i guess well throw in some bigger secondaries and then get the wideband on later and hopefully hit the dyno again. this car shoudl put down over 200 once the AFRs are where they should be.
the green line is from the last time the car was on the dyno with no fuel controller
the red line is the fuel return line being clamped with a set of locking pliars(to raise the fuel pressure)
and the blue line is what the car left with after adjusting the afc (the locking pliars removed
)the afc helped correct the fuel curve under 5000 rpm and made a bit more power, and only a minor correction up from 6500 rpm at which point the afc could not be adjusted any more.
Last edited by Kahren; 04-24-05 at 04:23 PM.
Trending Topics
04-26-05, 08:20 PM
#9
Just Call Me Terminator!
iTrader: (4)
Join Date: Feb 2001
Location: NJ
Posts: 7,848
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by rrx777
damn i was startin to think my na was a waste of time thanks for given me some hope those #s are great hope you hit 200!
04-26-05, 08:37 PM
#10
Rotary Enthusiast
Join Date: Feb 2004
Location: Freeport, Maine
Posts: 1,225
Likes: 0
Received 0 Likes
on
0 Posts
Kahren, do you think that your custom intake manifold/header would produce more? Oh yea you also run a haltec right? Well i'm sure it would, can't imagine what this engine would produce with all that tuned correctly. do you have plans to port your engine like this or have a surprise for the future?
Dom
Dom
04-27-05, 01:24 AM
#11
i am not a girl
Thread Starter
iTrader: (13)
Join Date: Aug 2001
Location: CT
Posts: 1,916
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by Dom_C
Kahren, do you think that your custom intake manifold/header would produce more? Oh yea you also run a haltec right? Well i'm sure it would, can't imagine what this engine would produce with all that tuned correctly. do you have plans to port your engine like this or have a surprise for the future?
Dom
Dom
Last edited by Kahren; 04-27-05 at 01:27 AM.
04-27-05, 07:21 PM
#12
Rotary Enthusiast
Join Date: Feb 2004
Location: Freeport, Maine
Posts: 1,225
Likes: 0
Received 0 Likes
on
0 Posts
I'm very interested to see which manifold will be better for a ported motor, that's a question that alot of us have had in the past. Are any other cars/people out there running your manifold?
04-27-05, 07:27 PM
#13
Originally Posted by Dom_C
I'm very interested to see which manifold will be better for a ported motor, that's a question that alot of us have had in the past. Are any other cars/people out there running your manifold?
04-27-05, 07:28 PM
#14
Banned. I got OWNED!!!
Join Date: Dec 2002
Location: wishing i was back in FL
Posts: 4,192
Likes: 0
Received 0 Likes
on
0 Posts
something must be up, we were hitting 180rwhp on a stockport before the turbo upgrade (search imprezedrs). get those afr's cleared up and you should definately hit alot more.
04-27-05, 10:49 PM
#16
i am not a girl
Thread Starter
iTrader: (13)
Join Date: Aug 2001
Location: CT
Posts: 1,916
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by FB II
something must be up, we were hitting 180rwhp on a stockport before the turbo upgrade (search imprezedrs).
07-13-05, 06:54 PM
#23
i am not a girl
Thread Starter
iTrader: (13)
Join Date: Aug 2001
Location: CT
Posts: 1,916
Likes: 0
Received 0 Likes
on
0 Posts
yes that is LEAN up top, that was as much fuel as he had at the time, the ecu wont let the injectors run any higher. he since has gotten some t2 injectors, but never got a chance to put them in, the driver of this car was involved in a bad accident and is curently in the hospital. i hop ehe gets well and maybe well c the car back on the road.