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NineMeister Dyno Day Results & Graphs Updated !

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MoC2S
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2008/05/02 12:26:31 (permalink)

NineMeister Dyno Day Results & Graphs Updated !

Have compiled the numbers into a spreadsheet and produced the graphs of Peak BHP and Peak Torque Nm ..

Hope everybody finds this helpful ..

Also added Steve Humphries before and after runs .. really does illustrate the effectiveness of VRam ..  .. now moved to new post below

cheers, Maurice

Results combined into one PDF 24/04/2017
 
9m Dyno Runs.pdf
 
 
post edited by MoC2S - 2017/04/24 15:27:50

Maurice Piper
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ubertub
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RE: NineMeister Dyno Day Results & Graphs 2008/05/07 07:00:46 (permalink)
how come I get the brown stripe... are you trying to tell me something?

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RE: NineMeister Dyno Day Results & Graphs 2008/05/07 07:25:32 (permalink)
Hi Maurice
 
Interesting that my peak Torque is similar to a lot of the VR cars, although peak BHP is down, as you would expect.
 
Pete

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MoC2S
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RE: NineMeister Dyno Day Results & Graphs 2008/05/07 17:17:03 (permalink)
ORIGINAL: ubertub

how come I get the brown stripe... are you trying to tell me something?

 
No Mik !! Excel did that all by itself ...
 
cheers, Maurice

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MoC2S
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RE: NineMeister Dyno Day Results & Graphs 2008/05/07 17:20:45 (permalink)
ORIGINAL: burrow01

Hi Maurice

Interesting that my peak Torque is similar to a lot of the VR cars, although peak BHP is down, as you would expect.

Pete

 
Very true, Pete, but you see the same with Steve's before and after results. The graph tells a rather more complete story - in his case peak torque is pretty much the same but drops off rapidly as the inlet tubes never get to short mode. So the torque band is much narrower. Likewise the bhp never peaks for the same reason ...
 
cheers, Maurice
 
 

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jmspear
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RE: NineMeister Dyno Day Results & Graphs 2008/05/08 22:11:08 (permalink)
Hi Maurice,
 
I am very interested that a number of the cars made significantly over the quoted 285 for a VR car, had they all been chipped by Wayne, did they all have 100 cell cats or was there a common tweak that made between 306 - 327BHP? or just that on the day with atmo conditions etc 285 = ~316 on Colin's rollers?
 
Cheers
 
John
 
 
gsimons_tel
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RE: NineMeister Dyno Day Results & Graphs 2008/05/09 08:03:46 (permalink)
Hi John.
 
My Targa is completely standard. I was very surprised at the results too, pleased thou. Thought mine might have been low due to the low mileage and lack of use.
 
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Mark Elder
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RE: NineMeister Dyno Day Results & Graphs 2008/05/09 18:22:36 (permalink)
Likewise.  I believe my C4 is completely standard (except having the factory motosound air box - but I don't believe that affects power).  I have receipts from all of it's life and nothing in there makes me think the car's 3 previous owners were the types to visit a chipper!
 
Given many of the non-turbos were so close together, either Colin's dyno is generous, or Porsche are very consistent about how they over achieve....
 
I can see why it's good to have your own dyno if you want to do the work that Colin does.  Being able to consistently and quickly repeat test a car on the same dyno is important to get quick and objective feedback on engine intake design changes.

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RE: NineMeister Dyno Day Results & Graphs 2008/05/09 22:37:47 (permalink)
I am reliably informed by a senior PCGB member that Porsche have always been quite conservative with their power figures...
 
Roddy
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RE: NineMeister Dyno Day Results & Graphs 2008/05/11 09:40:50 (permalink)
Hi Roddy, conservative maybe,  say 290 versus 285 but 30BHP under I think not! Also on Rennlist the US guys get a max of about 300 - 310 with a remap and 100 cell cats. I think the closeness of results indicates a set of 993's in very good fettle and a consistent set of rollers which are erring on the generous side.
 
BTW my car makes 350 on the self same rollers (with colins billet heads) which indicates that if you add a remap and 100 cell cats to your cars then you should also be good for 340 + HP which is awesome and Oliver you should be able to easily hit 350 without expensive billet heads!
 
What do you think Maurice?
 
burrow01
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RE: NineMeister Dyno Day Results & Graphs 2008/05/11 11:11:40 (permalink)
ORIGINAL: jmspear

Hi Roddy, conservative maybe,  say 290 versus 285 but 30BHP under I think not! Also on Rennlist the US guys get a max of about 300 - 310 with a remap and 100 cell cats. I think the closeness of results indicates a set of 993's in very good fettle and a consistent set of rollers which are erring on the generous side.

BTW my car makes 350 on the self same rollers (with colins billet heads) which indicates that if you add a remap and 100 cell cats to your cars then you should also be good for 340 + HP which is awesome and Oliver you should be able to easily hit 350 without expensive billet heads!

What do you think Maurice?


 
Hi,
 
Did you get a "before" reading on the rollers before Colin did the work on the engine?
 
Pete

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MoC2S
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RE: NineMeister Dyno Day Results & Graphs 2008/05/11 15:22:15 (permalink)
ORIGINAL: jmspear

Hi Roddy, conservative maybe,  say 290 versus 285 but 30BHP under I think not! Also on Rennlist the US guys get a max of about 300 - 310 with a remap and 100 cell cats. I think the closeness of results indicates a set of 993's in very good fettle and a consistent set of rollers which are erring on the generous side.

BTW my car makes 350 on the self same rollers (with colins billet heads) which indicates that if you add a remap and 100 cell cats to your cars then you should also be good for 340 + HP which is awesome and Oliver you should be able to easily hit 350 without expensive billet heads!

What do you think Maurice?


 
Hi John
 
Would have liked to have seen your car (especially the torque graph), but Oliver's was on 327 BHP, about 10 over the best standard VRams, although Mark Elder's torque was better .. OJTs engine needs respect at nearly 200 K miles, tho' ..
 
Perhaps you can send me scans of your graphs - useful comparison even tho' not contemporary ..
 
Certainly my figures were rather lower on the Dyno Dynamics rollers at Silverstone ..
 
cheers, Maurice
 
 

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RE: NineMeister Dyno Day Results & Graphs 2008/05/12 09:54:24 (permalink)
Maurice, your wish is my command. Plot attached. The Robin page plot is a 993 VR with billet heads, mine is a NVR with billet heads and for comparison the other plot is a std GT3.
 
I agree with your (and other posters) sentiments. i.e. is your car performing well against other peers - answer is yes, rather than absolute figures. Which frankly from the dyno day are likely to be a bit optimistic - my car has been dynoed on self same dyno and made 350 see attached plot - hence my interest.
 
I also have experiences of my car showing different figures on different dyno's. The acid test however, is in the eating and as you have experienced, it is strong on the track and clearly quicker than other comparable non tuned 993's.
 
Cheers
 
John
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RE: NineMeister Dyno Day Results & Graphs 2008/05/13 08:33:50 (permalink)
Very interesting readings, it sounds lke a fun day was had by all.
 
I am suprised at some of the figures for the standard cars, more often than not, with 10 year old cars, unless they have been maintained, I have seen bhp down slightly with V/ram and inlet leaks or arcing plug leads for example.
 
I may have to put my standard 3.8RS on Ebay as your standard cars seem to have taken it apart......mine came out at 296bhp on a Din70020 rolling road (the same parameters as used by the factory).  
 
What happened to Steve Humphries car?...there seem to be 2 different readings for a C2S in his name was the car remapped or a fault rectified between the 2 run?...Cheers :)
Mike M
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RE: NineMeister Dyno Day Results & Graphs 2008/05/13 12:25:58 (permalink)
As a further point of interest the following are my results from Mr Chipwizard last year, obviously we cant compare exactly as the two Dynos wont be exact however I was interested to see that my un modified 1994 pre-varioram seems to be fighting her corner with not a great deal of diffrence against the figures shown at the introduction.
Peak Bhp @ 300bhp
PTorque @ 271lbft or 368Nm
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RE: NineMeister Dyno Day Results & Graphs 2008/05/13 13:58:49 (permalink)
Paul, Can i have your car, serious power loss and all under a buy it now please :-)
 
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RE: NineMeister Dyno Day Results & Graphs 2008/05/13 14:37:15 (permalink)
John...I think you may well be slightly disappointed now you have got used to all that power! :)
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RE: NineMeister Dyno Day Results & Graphs 2008/05/13 15:54:34 (permalink)
ORIGINAL: clubsport
>>
I am suprised at some of the figures for the standard cars, more often than not, with 10 year old cars, unless they have been maintained, I have seen bhp down slightly with V/ram and inlet leaks or arcing plug leads for example.
>>
What happened to Steve Humphries car?...there seem to be 2 different readings for a C2S in his name was the car remapped or a fault rectified between the 2 run?...Cheers :)

 
Hi Paul
 
The figures look rather optimistic for the standard N/A cars, but not the TTs ..
 
Steve's car had the VRam stuck in long pipe mode. The actuators were OK, the vacuum switch was disconnected. Remedied by Marc and re-run .. hence the two sets of graphs - one set has 'VRam connected' in the annotation ...
 
cheers, Maurice

Maurice Piper
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RE: NineMeister Dyno Day Results & Graphs 2008/05/13 18:15:49 (permalink)
Hi Maurice, I hope you are well....thanks for the clarificaion on the figures.
 
As we both know BHP is all very well.....it's the gearing that really counts
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RE: NineMeister Dyno Day Results & Graphs 2008/05/14 08:31:25 (permalink)
Yep, I suspect a generous dyno, but that's the graph I'll be showing should I ever decide to sell the old tub.
I was just glad to get off the rollers with engine intact.
 

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