General > Old Event Details
Forum Rolling Road day Pictures Thread
illyun:
--- Quote from: RedRobin on June 06, 2009, 10:00:43 pm ---^^^^
Damn! Where was I when this group pic was taken!?
--- End quote ---
Having your daily siesta? :signLOL: :P
illyun:
The figures were certainly interesting... The Maha Rolling Road has a very good reputation as being one of the best around. While the front wheel drive cars registered very optimistic figures, the output figures for the two R32s was spot on. I wonder if the algorithm used to calculate bhp at the flywheel from bhp at the wheel is geared towards 4wd cars instead of two... or maybe the method to calculate 4wd power is more accurate? My (wife's :wink:) standard R32 achieved 247 and 248 bhp on its run and this is exactly what VW quote as standard - 250ps. Rupos R32 got 267bhp with his Shrick Cams and Milltek exhaust, which again is very realistic. For the record, JKMs dyno dynamics calculated my Ed30 bhp as 227bhp which is the same as the 230ps quoted by VW. I think Hedge's Stage 1 Bluefin Ed30 recorded 278bhp on the JKM rollers (incidentally exactly the same as my Revo Stage 1 Ed30) while he recorded around 318bhp yesterday?! As far as FWD figures are concerned, I reckon the JKM figures are probably more representative of the actual power being made, but I hope I'm wrong :evilgrin: :evilgrin: :evilgrin: :evilgrin:
The best test of assessing the figures is to take the car down to the 1/4 mile strip and compare the performance against other cars, but again, even here, other factors come into play such as driver skill, mods such as the Quaife, tyres etc...
stealthwolf:
Some awesome pics there guys. Looks like a fantastic turnout. Well done Nousey!
Phil Mcavity:
--- Quote from: illyun on June 07, 2009, 01:33:54 pm ---The figures were certainly interesting... The Maha Rolling Road has a very good reputation as being one of the best around. While the front wheel drive cars registered very optimistic figures, the output figures for the two R32s was spot on. I wonder if the algorithm used to calculate bhp at the flywheel from bhp at the wheel is geared towards 4wd cars instead of two... or maybe the method to calculate 4wd power is more accurate? My (wife's :wink:) standard R32 achieved 247 and 248 bhp on its run and this is exactly what VW quote as standard - 250ps. Rupos R32 got 267bhp with his Shrick Cams and Milltek exhaust, which again is very realistic. For the record, JKMs dyno dynamics calculated my Ed30 bhp as 227bhp which is the same as the 230ps quoted by VW. I think Hedge's Stage 1 Bluefin Ed30 recorded 278bhp on the JKM rollers (incidentally exactly the same as my Revo Stage 1 Ed30) while he recorded around 318bhp yesterday?! As far as FWD figures are concerned, I reckon the JKM figures are probably more representative of the actual power being made, but I hope I'm wrong :evilgrin: :evilgrin: :evilgrin: :evilgrin:
The best test of assessing the figures is to take the car down to the 1/4 mile strip and compare the performance against other cars, but again, even here, other factors come into play such as driver skill, mods such as the Quaife, tyres etc...
--- End quote ---
My main queery was that Superchips were taking intake temperatures from inside the cars rather then under the bonnet.
This was pointed out to me whilst they were being tested.
That would give incorrect ambiant temps.
RedRobin:
--- Quote from: john_o on June 07, 2009, 12:27:24 pm ---as long as a std car was there too , you can get a 'relative' comparison.
thats the best you should do at any rolling road..
--- End quote ---
....Very true, and Chris (WhiteGTI) answers this, I believe : -
--- Quote from: WhiteGTI on June 07, 2009, 12:31:15 pm ---
I think the standard GTI's ran anything from 215hp - 235hp.
The standard K04 cars ran around 250hp - 262hp
--- End quote ---
--- Quote from: Phil Mcavity on June 07, 2009, 02:18:34 pm ---My main queery was that Superchips were taking intake temperatures from inside the cars rather then under the bonnet.
This was pointed out to me whilst they were being tested.
That would give incorrect ambiant temps.
--- End quote ---
....Very good point, Phil.
It was a great meet but with a difference of as much as over 30 bhp, I ain't impressed. Dare I say that it's in Superchips interest to be 'optimistic' in their plotted results when their main (only?) business is selling remaps.
Isn't James from Superchips a forum member? Perhaps he would like to answer some of our concerns.
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