382.8bhp from a VF35 :)
11 October 2010, 03:42 PM
#241
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This is what my car produced a while back with MD321t, 740 injectors, 1.4/5 bar of boost etc. Only slightly higher than yours re hp at similar boost ... see that the IT & AT readings are both the same.
It looks to me (reading the thread through) that the experts on here have never seen such a high power output which, combined with the strange IT/AT readings, lead them to doubt the RR results. Just get another RR (as you are) & post it up again
TX.
It looks to me (reading the thread through) that the experts on here have never seen such a high power output which, combined with the strange IT/AT readings, lead them to doubt the RR results. Just get another RR (as you are) & post it up again
TX.
11 October 2010, 03:53 PM
#242
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This is what my car produced a while back with MD321t, 740 injectors, 1.4/5 bar of boost etc. Only slightly higher than yours re hp at similar boost ... see that the IT & AT readings are both the same.
It looks to me (reading the thread through) that the experts on here have never seen such a high power output which, combined with the strange IT/AT readings, lead them to doubt the RR results. Just get another RR (as you are) & post it up again
TX.
It looks to me (reading the thread through) that the experts on here have never seen such a high power output which, combined with the strange IT/AT readings, lead them to doubt the RR results. Just get another RR (as you are) & post it up again
TX.
Happily post up the results of the next Dyno on Wednesday
Hopefully it will be correct
, if I am careful with the right pedal it may even be on the same tank of fuel too.Cheers Iain
11 October 2010, 04:20 PM
#243
4 runs and the terminals were between 111 + 113mph,
60ft between 1.68 and 1.72
1/8th in 7.5 @ 93
It will be nice to know roughly what I have in power and torque without people who have not even seen the car passing judgement and telling me that its not possible, granted dynos are going to be different but I can't see them being 20-30bhp out.
Cheers Iain
60ft between 1.68 and 1.72
1/8th in 7.5 @ 93
It will be nice to know roughly what I have in power and torque without people who have not even seen the car passing judgement and telling me that its not possible, granted dynos are going to be different but I can't see them being 20-30bhp out.
Cheers Iain
Last edited by Aztec Performance Ltd; 11 October 2010 at 04:41 PM.
11 October 2010, 04:33 PM
#245
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if readings come out as is and settings on dyno look right hten people will be well chuffed for you
11 October 2010, 05:07 PM
#247
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11 October 2010, 05:42 PM
#248
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Well done I feel it is a great result, I hope the second reading is equal or better than the first. I do not think I have seen such a wide variance in rolling road figures that is being discussed here in many of the different cars that I have seen and had power output measured on various rolling roads.
I agree that some rolling roads are conservative in their output figures and some more generous from a middle point, it is a pity that some of the comments from people on this thread have lowered themselves to conducting what could be described as a medieval witch hunt to prove you ‘wrong’!
I agree that some rolling roads are conservative in their output figures and some more generous from a middle point, it is a pity that some of the comments from people on this thread have lowered themselves to conducting what could be described as a medieval witch hunt to prove you ‘wrong’!
11 October 2010, 05:47 PM
#249
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I dont think anyone is putting Iain down, its the fact that the rolling road figures dont match what the other variables say, so what Iain needs is a consistant variable on the AT/IT to give a more accurate reading as at the moment with the 2 figures, it equates to approximately 20bhp out (though 360bhp on a VF35 is very good )
Tony
)Tony
11 October 2010, 08:04 PM
#250
Tbho i think it is down to 2 things why people are questioning the figures,one is that the AT/IT are off and also that not many if at all have achieved 380 on the mods stated alone especially when you consider terminatorX's figure on a md series turbo and 740's etc.
This will not rest until new figures are given on another rr session.
This will not rest until new figures are given on another rr session.
11 October 2010, 08:08 PM
#251
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I BELIEVE YOU IAIN.
I KNOW THE OTHER 2 CARS THAT HAVE PRODUCED OVER THE ACLAIMED 330BHP A VF35 CAN MAKE. HOPEFULLY ONCE MINE HAS BEEN FINISHED AND ROLLING ROADED WOULD BE 4TH AS PROOF OF A VF35 PRODUCING MORE THAN WHAT PEOPLE THINK IS POSSIBLE.
i HAVE HAD FIRST HAND OF WHAT IAINS CAR IS LIKE ON THE ROAD AND WILL BACK HIM UP WHEN HE SAYS ITS AN ANIMAL ON THE ROAD.
AS FOR THE DYNO READING I HAVE NOW IDEA WHAT ANY OF IT MEANS I JUST LOOK AT THE GRAPH SEE THAT IT SAYS 382.8BHP WHICH IS GOOD ENOUGH FOR ME AND IT FEELS LIKE THAT TOO WHEN YOUR IN THE CAR.
If its less then that and by a lot i know i would be well happy if i was in iains possition that i have a (for example only ) 350bhp car doing 11.8 1/4mile.
IAIN KEEP UP THE GOOD WORK AND I DO HOPE YOU GET THE SAME READING ON THE NEXT RR AND THIS WILL AND SHOULD BE LEFT TO REST AFTER THAT.
I KNOW THE OTHER 2 CARS THAT HAVE PRODUCED OVER THE ACLAIMED 330BHP A VF35 CAN MAKE. HOPEFULLY ONCE MINE HAS BEEN FINISHED AND ROLLING ROADED WOULD BE 4TH AS PROOF OF A VF35 PRODUCING MORE THAN WHAT PEOPLE THINK IS POSSIBLE.
i HAVE HAD FIRST HAND OF WHAT IAINS CAR IS LIKE ON THE ROAD AND WILL BACK HIM UP WHEN HE SAYS ITS AN ANIMAL ON THE ROAD.
AS FOR THE DYNO READING I HAVE NOW IDEA WHAT ANY OF IT MEANS I JUST LOOK AT THE GRAPH SEE THAT IT SAYS 382.8BHP WHICH IS GOOD ENOUGH FOR ME AND IT FEELS LIKE THAT TOO WHEN YOUR IN THE CAR.
If its less then that and by a lot i know i would be well happy if i was in iains possition that i have a (for example only ) 350bhp car doing 11.8 1/4mile.
IAIN KEEP UP THE GOOD WORK AND I DO HOPE YOU GET THE SAME READING ON THE NEXT RR AND THIS WILL AND SHOULD BE LEFT TO REST AFTER THAT.
11 October 2010, 08:09 PM
#252
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I BELIEVE YOU IAIN.
I KNOW THE OTHER 2 CARS THAT HAVE PRODUCED OVER THE ACLAIMED 330BHP A VF35 CAN MAKE. HOPEFULLY ONCE MINE HAS BEEN FINISHED AND ROLLING ROADED WOULD BE 4TH AS PROOF OF A VF35 PRODUCING MORE THAN WHAT PEOPLE THINK IS POSSIBLE.
i HAVE HAD FIRST HAND OF WHAT IAINS CAR IS LIKE ON THE ROAD AND WILL BACK HIM UP WHEN HE SAYS ITS AN ANIMAL ON THE ROAD.
AS FOR THE DYNO READING I HAVE NOW IDEA WHAT ANY OF IT MEANS I JUST LOOK AT THE GRAPH SEE THAT IT SAYS 382.8BHP WHICH IS GOOD ENOUGH FOR ME AND IT FEELS LIKE THAT TOO WHEN YOUR IN THE CAR.
If its less then that and by a lot i know i would be well happy if i was in iains possition that i have a (for example only ) 350bhp car doing 11.8 1/4mile.
IAIN KEEP UP THE GOOD WORK AND I DO HOPE YOU GET THE SAME READING ON THE NEXT RR AND THIS WILL AND SHOULD BE LEFT TO REST AFTER THAT.
I KNOW THE OTHER 2 CARS THAT HAVE PRODUCED OVER THE ACLAIMED 330BHP A VF35 CAN MAKE. HOPEFULLY ONCE MINE HAS BEEN FINISHED AND ROLLING ROADED WOULD BE 4TH AS PROOF OF A VF35 PRODUCING MORE THAN WHAT PEOPLE THINK IS POSSIBLE.
i HAVE HAD FIRST HAND OF WHAT IAINS CAR IS LIKE ON THE ROAD AND WILL BACK HIM UP WHEN HE SAYS ITS AN ANIMAL ON THE ROAD.
AS FOR THE DYNO READING I HAVE NOW IDEA WHAT ANY OF IT MEANS I JUST LOOK AT THE GRAPH SEE THAT IT SAYS 382.8BHP WHICH IS GOOD ENOUGH FOR ME AND IT FEELS LIKE THAT TOO WHEN YOUR IN THE CAR.
If its less then that and by a lot i know i would be well happy if i was in iains possition that i have a (for example only ) 350bhp car doing 11.8 1/4mile.
IAIN KEEP UP THE GOOD WORK AND I DO HOPE YOU GET THE SAME READING ON THE NEXT RR AND THIS WILL AND SHOULD BE LEFT TO REST AFTER THAT.
11 October 2010, 08:38 PM
#254
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Iain, regardless of anything dyno related, that's a great 1/4 mile time.
I think I need more boost to get my power up and times down, I only run 1 bar.
I think I need more boost to get my power up and times down, I only run 1 bar.
11 October 2010, 08:57 PM
#255
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I BELIEVE YOU IAIN.
I KNOW THE OTHER 2 CARS THAT HAVE PRODUCED OVER THE ACLAIMED 330BHP A VF35 CAN MAKE. HOPEFULLY ONCE MINE HAS BEEN FINISHED AND ROLLING ROADED WOULD BE 4TH AS PROOF OF A VF35 PRODUCING MORE THAN WHAT PEOPLE THINK IS POSSIBLE.
i HAVE HAD FIRST HAND OF WHAT IAINS CAR IS LIKE ON THE ROAD AND WILL BACK HIM UP WHEN HE SAYS ITS AN ANIMAL ON THE ROAD.
AS FOR THE DYNO READING I HAVE NOW IDEA WHAT ANY OF IT MEANS I JUST LOOK AT THE GRAPH SEE THAT IT SAYS 382.8BHP WHICH IS GOOD ENOUGH FOR ME AND IT FEELS LIKE THAT TOO WHEN YOUR IN THE CAR.
If its less then that and by a lot i know i would be well happy if i was in iains possition that i have a (for example only ) 350bhp car doing 11.8 1/4mile.
IAIN KEEP UP THE GOOD WORK AND I DO HOPE YOU GET THE SAME READING ON THE NEXT RR AND THIS WILL AND SHOULD BE LEFT TO REST AFTER THAT.
I KNOW THE OTHER 2 CARS THAT HAVE PRODUCED OVER THE ACLAIMED 330BHP A VF35 CAN MAKE. HOPEFULLY ONCE MINE HAS BEEN FINISHED AND ROLLING ROADED WOULD BE 4TH AS PROOF OF A VF35 PRODUCING MORE THAN WHAT PEOPLE THINK IS POSSIBLE.
i HAVE HAD FIRST HAND OF WHAT IAINS CAR IS LIKE ON THE ROAD AND WILL BACK HIM UP WHEN HE SAYS ITS AN ANIMAL ON THE ROAD.
AS FOR THE DYNO READING I HAVE NOW IDEA WHAT ANY OF IT MEANS I JUST LOOK AT THE GRAPH SEE THAT IT SAYS 382.8BHP WHICH IS GOOD ENOUGH FOR ME AND IT FEELS LIKE THAT TOO WHEN YOUR IN THE CAR.
If its less then that and by a lot i know i would be well happy if i was in iains possition that i have a (for example only ) 350bhp car doing 11.8 1/4mile.
IAIN KEEP UP THE GOOD WORK AND I DO HOPE YOU GET THE SAME READING ON THE NEXT RR AND THIS WILL AND SHOULD BE LEFT TO REST AFTER THAT.
just remember that a standard 208bhp 97 impreza did the pod without launch control in 13.72 secs, thats only 1.9 secs slower than the above still its a good time and there is no doubting that either, even as you say if the car is "only" pushing 350bhp.What is needed now is consistancy, then your sorted
Tony
12 October 2010, 02:11 AM
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My injectors ran out of puff, didnt have a FPR fitted at the time, I was going to go for 400 on it but ended up getting the MD321T+
Mine was still running the top mount so those figures were a little "flat"
I got loads of stick when i first posted up my results back in 2006 as well.
Look forward to one of these turbos breaking the 400bhp mark
Good luck
Graeme
Last edited by G.Mac; 12 October 2010 at 02:24 AM.
12 October 2010, 08:05 AM
#259
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There is hope for me yet then lol, your spool was much faster due to the top mount, must be the best power output from a 35 with a TMIC, we will see what mine does tomorrow.
Cheers Iain
Cheers Iain
12 October 2010, 08:18 AM
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This is what my car produced a while back with MD321t, 740 injectors, 1.4/5 bar of boost etc. Only slightly higher than yours re hp at similar boost ... see that the IT & AT readings are both the same.
It looks to me (reading the thread through) that the experts on here have never seen such a high power output which, combined with the strange IT/AT readings, lead them to doubt the RR results. Just get another RR (as you are) & post it up again
TX.
It looks to me (reading the thread through) that the experts on here have never seen such a high power output which, combined with the strange IT/AT readings, lead them to doubt the RR results. Just get another RR (as you are) & post it up again
TX.
whats your full mod list mate? isnt that a bit low for a md321t?
12 October 2010, 09:00 AM
#262
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Will have a root about and see if I can come up with them. Car is not running that spec anymore
Graeme
12 October 2010, 09:13 AM
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Be they good, or bad, rolling road results are very emotive to the owners. If the results are good, they are perceived by the less experienced as "proven", or "fact", and if bad, something must be wrong with the dyno !
The subject of rolling road accuracy has been done to death. Figures can vary from one dyno, to another, even when they are the same make, and the cars run in the same way, let alone between two different makes of dyno, and yes, they can vary by 20-30bhp, and more.
In general terms, 380bhp from a VF35 would be considered very optimistic. However, stranger things have happened, and personally, I would keep an open mind but want to see consistent, repeatable results, based on realistic dyno runs.
The concerns by some people here, are that "IF" the results do turn out to be misleading, people could be spending money, and end up being very disappointed.
Iain, do you charge for this service, or do it as a hobby ?
Mark.
12 October 2010, 09:28 AM
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Couple of points. Looking at the graph, peak power was actually achieved at just below 1.3bar.
Be they good, or bad, rolling road results are very emotive to the owners. If the results are good, they are perceived by the less experienced as "proven", or "fact", and if bad, something must be wrong with the dyno !
The subject of rolling road accuracy has been done to death. Figures can vary from one dyno, to another, even when they are the same make, and the cars run in the same way, let alone between two different makes of dyno, and yes, they can vary by 20-30bhp, and more.
In general terms, 380bhp from a VF35 would be considered very optimistic. However, stranger things have happened, and personally, I would keep an open mind but want to see consistent, repeatable results, based on realistic dyno runs.
The concerns by some people here, are that "IF" the results do turn out to be misleading, people could be spending money, and end up being very disappointed.
Iain, do you charge for this service, or do it as a hobby ?
Mark.
Be they good, or bad, rolling road results are very emotive to the owners. If the results are good, they are perceived by the less experienced as "proven", or "fact", and if bad, something must be wrong with the dyno !
The subject of rolling road accuracy has been done to death. Figures can vary from one dyno, to another, even when they are the same make, and the cars run in the same way, let alone between two different makes of dyno, and yes, they can vary by 20-30bhp, and more.
In general terms, 380bhp from a VF35 would be considered very optimistic. However, stranger things have happened, and personally, I would keep an open mind but want to see consistent, repeatable results, based on realistic dyno runs.
The concerns by some people here, are that "IF" the results do turn out to be misleading, people could be spending money, and end up being very disappointed.
Iain, do you charge for this service, or do it as a hobby ?
Mark.
Cheers Iain
12 October 2010, 09:31 AM
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Iain, were these all on the same rolling road or different rolling roads?
May well be worth going to a few different ones if all on the same one to see if the results can be replicated as if the rolling road isnt calibrated correctly it can be misleading also
Tony
May well be worth going to a few different ones if all on the same one to see if the results can be replicated as if the rolling road isnt calibrated correctly it can be misleading also
Tony
12 October 2010, 10:51 AM
#266
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The owners themselves were very impressed with the increase in power and smoother overall drive.
Cheers Iain
12 October 2010, 12:41 PM
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There are "a few" similar results for VF35s but they are the exception not the rule. So it is very possible this result is correct, and although the temps will skew it a bit, it's going to be there or there abouts.
However, as Harvey has tried to point out, posting that by emulating this setup everyone can get 380hp on a VF35 will lead to a lot of disappointment.
However, as Harvey has tried to point out, posting that by emulating this setup everyone can get 380hp on a VF35 will lead to a lot of disappointment.
12 October 2010, 01:09 PM
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There are "a few" similar results for VF35s but they are the exception not the rule. So it is very possible this result is correct, and although the temps will skew it a bit, it's going to be there or there abouts.
However, as Harvey has tried to point out, posting that by emulating this setup everyone can get 380hp on a VF35 will lead to a lot of disappointment.
However, as Harvey has tried to point out, posting that by emulating this setup everyone can get 380hp on a VF35 will lead to a lot of disappointment.
Please point out where I have said that if you get a VF35 port the wastegate and fit a stronger actuator you will get 380bhp? All I have said is that I have done this infact 4 times (did a Bug sti too) and all showed above average results (not each car made 380bhp lol). Mine may well have made 370-380bhp but that is just mine so far, one of the UK classics was not far behind though.
Cheers Iain
12 October 2010, 01:38 PM
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Iain
it may have been from my post above "Quoted"
If so can i just say i don't expect to reach 380 by just having a VF35 fitted. Supporting mods and a good map should see me get at least 350bhp. Anything more is better. But both Iain and my cars will soon have a simlair setup and if i produce anything like iains thats just more proof that what iain has done is working.
I can't find anywere else were Iain is saying that if u fit an uprated actuator u will get 380bhp. He has listed is full spec and if people have half a brain cell they would know that supporting mods would be required to possibly get over the standard 330-340bhp from a VF35
I'm not as smart as most of you on hear but even i know its down to mods and a good map.
Cheers
Dave
