Superlite Ltd.
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Registered: 9th Jan 07
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This is the dyno plot for a mk2 seat ibiza 2.0 8v
All i look at is max figgures but obviously there is more to it than that. Is it much better than say a corsa 1.6 16v? Dave might helpful on this one 
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gavin18787
Premium Member
Registered: 22nd Feb 05
Location: Basildon, Essex
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think the torque and bhp are about the same as a 1.6 16v on a inlet and remap.
Maybe a bit more torque due to the bigger capacity.
Drives supercharged Tec with torque  
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gavin18787
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Registered: 22nd Feb 05
Location: Basildon, Essex
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here is my 1.6 (standard except headwork and exhaust)
Drives supercharged Tec with torque
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Superlite Ltd.
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Registered: 9th Jan 07
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The 2.0 seems to produce good torque over a much wider rev range compared to the 1.6.
Infact the 1.6 seems to only have a 1/2k window of torque
Interesting stuff this, wish i knew more about it 
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gavin18787
Premium Member
Registered: 22nd Feb 05
Location: Basildon, Essex
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I think when new inlets are fitted paticuarly the lexmauls they create a wider band of torque on the 1.6
However I think the 2.0 ibiza will always have more due to been the larger engine
Drives supercharged Tec with torque
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Dave A
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Registered: 10th Dec 03
Location: County Durham
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does the dyno have parkinsons?
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strick206
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Registered: 12th Apr 07
Location: Wigan Drives:Integra DC5
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quote:
Originally posted by Dave A
does the dyno have parkinsons?
never seen awesome gti produce a printout like that, always been smooth when ive used them
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Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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looks like a childs scribble
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Superlite Ltd.
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Registered: 9th Jan 07
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quote:
Originally posted by Dave A
does the dyno have parkinsons?
I did wonder what the wobble was all about 
Is that a good graph Dave? More driveable than my corsa for example?
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Dave A
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Registered: 10th Dec 03
Location: County Durham
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cant answer that one, that graph is a bit odd. I have used a dynojet and it was a nice smooth graph.
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broster
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Registered: 6th Dec 02
Location: Drives: E39
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ignoring the fact the graph is a bit "edgy" looks nice nice smooth power deliver and a good spread of torque.
dunno what happened to the old 5252 calculation there tho
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Dave A
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Registered: 10th Dec 03
Location: County Durham
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the 5250 calculation is irrelevan on more modern dynos, regardless of what they wrote in fast ford this month.
we had a tvr griffith 5 litre in today that makes peak power at 5000 rpm. that kind of destroys the argument of the 5250 myth a bit.
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broster
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Registered: 6th Dec 02
Location: Drives: E39
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hows that tho dave, bhp is a calculation from torque, a rolling road is basically a strain gauge, this measure the turning force, which is torque, usuing BHP = Torque x RPM/ 5252
how can a graph not cross.......... or am i massivly missing something?
its irrelivent where the peak power is and what the engine size lol
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Superlite Ltd.
Member
Registered: 9th Jan 07
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5252...
no idea what you lot are talking about
...lets talk wheels?
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broster
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Registered: 6th Dec 02
Location: Drives: E39
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o, lets, mgb roadster with minilites
[Edited on 22-09-2007 by broster]
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Dave A
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Registered: 10th Dec 03
Location: County Durham
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On more modern dynos you can make them cross anywhere you like as the bhp and torque are written as seperate files which you can bring up on screen independently and scale to whichever parameters you like.
I can make my dyno scale so that they always cross at 5250 but it makes the graphs much harder to read.
You and jamie should use a dyno dynamics dyno sometime, I can guarantee you will want one. I have used allsorts of dynos but the DD machine is so nice to use, especially for steady state, I can dial the dyno in to hold any RPM I want, even down to variables as small as 10 rpm If I am being fussy with a map.
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
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yeah i agree, but the scales need to be different. on his graph the scales are the same.
we have used the dyno dynamics rolling roads, we have had them come round etc. we bought a 4 x 4 maha rolling road, just building the new unit for it now.
you can load up the maha ones to hold a steady speed, the new one we have will hold 1500bhp, current one will hold 500bhp with no problems.
dyno dynamics do software is pretty cool i must admit.
we just use the superchips software at the moment, all it does it print off the graphs anyway.
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Dave A
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Registered: 10th Dec 03
Location: County Durham
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was it mike gurney that came to see you from DD?
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
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yeah that was him
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