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As expected - now with comparison graph
#533322
01/02/2008 00:07
01/02/2008 00:07
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h2ypr
Unregistered
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h2ypr
Unregistered
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Went to the rollers today. Went to a new one in the area, that a mate recommended. http://s19.photobucket.com/albums/b176/h2ypr/?action=view¤t=tmp86.jpgQuite what i expected. They didnt measure the fuelling because of my wideband. What everyone think? Ross
Last edited by h2ypr; 02/02/2008 00:51.
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Re: As expected
[Re: ]
#533324
01/02/2008 00:09
01/02/2008 00:09
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fiat131turbo
Unregistered
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fiat131turbo
Unregistered
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Re: As expected
[Re: ]
#533327
01/02/2008 00:16
01/02/2008 00:16
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eldinho
Unregistered
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eldinho
Unregistered
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nice early power there ross comes in quite hard though by the looks of it, hows your clutch? overall nice curves though Mark
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Re: As expected
[Re: ]
#533329
01/02/2008 00:26
01/02/2008 00:26
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MattW
Unregistered
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MattW
Unregistered
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what do I think? .........350bhp aint too far off
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Re: As expected
[Re: Begbie]
#533333
01/02/2008 00:28
01/02/2008 00:28
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h2ypr
Unregistered
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h2ypr
Unregistered
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If you held the boost the same to the redline you would have the perfect graph What ya mean? Ross
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Re: As expected
[Re: Begbie]
#533336
01/02/2008 00:32
01/02/2008 00:32
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MattW
Unregistered
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MattW
Unregistered
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If you held the boost the same to the redline you would have the perfect graph that's torque, not boost
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Re: As expected
[Re: ]
#533338
01/02/2008 00:33
01/02/2008 00:33
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Joined: Dec 2005
Posts: 12,295 Sandhurst
Begbie
Ex El Presidente
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Ex El Presidente
I AM a Coop
Joined: Dec 2005
Posts: 12,295
Sandhurst
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I presume you are tailing the boost off after 5500 - 6000rpm?
Your car is Usain Bolt with wellies
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Re: As expected
[Re: ]
#533340
01/02/2008 00:34
01/02/2008 00:34
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Joined: Dec 2005
Posts: 12,295 Sandhurst
Begbie
Ex El Presidente
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Ex El Presidente
I AM a Coop
Joined: Dec 2005
Posts: 12,295
Sandhurst
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If you held the boost the same to the redline you would have the perfect graph that's torque, not boost Oh yeah, blonde moment for me
Your car is Usain Bolt with wellies
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Re: As expected
[Re: ]
#533341
01/02/2008 00:34
01/02/2008 00:34
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MattW
Unregistered
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MattW
Unregistered
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erroneous 1500rpm readings as well... more torque at 1500 rpm than at 2500 rpm. OK i'm just bored now
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Re: As expected
[Re: ]
#533349
01/02/2008 00:39
01/02/2008 00:39
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h2ypr
Unregistered
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h2ypr
Unregistered
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Thats to do with him holding the car at 1500rpm, then releasing the rollers.
The boost tails from 1.3 to 1.2 between 5k to 6k.
Ross
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Re: As expected
[Re: ]
#533418
01/02/2008 02:51
01/02/2008 02:51
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eldinho
Unregistered
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eldinho
Unregistered
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what were you running midrange, 1.5?
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Re: As expected
[Re: Flea]
#533442
01/02/2008 03:38
01/02/2008 03:38
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h2ypr
Unregistered
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h2ypr
Unregistered
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No question, that is the best GT28R coupe this forum has ever seen. In fact I dare say that is the most driveable/powerful combination out there...10/10 Ross Thanks dude!! Now lets see if its any good on the 1/4 mile!!! Ross
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Re: As expected
[Re: ]
#533454
01/02/2008 04:07
01/02/2008 04:07
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MABR
Unregistered
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MABR
Unregistered
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Now lets see if its any good on the 1/4 mile!!! Well it was pretty bloody quick on that private motorway last week! Made up for you mate.
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Re: As expected
[Re: ]
#533465
01/02/2008 04:26
01/02/2008 04:26
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sparkyman
Unregistered
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sparkyman
Unregistered
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Well done matey
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Re: As expected
[Re: ]
#533554
01/02/2008 12:46
01/02/2008 12:46
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Joined: Dec 2005
Posts: 2,194 Göteborg, Sweden
Freddan72
Competition Level
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Competition Level
Joined: Dec 2005
Posts: 2,194
Göteborg, Sweden
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Nice power Can u give me the spec of the engine? The torque curve is going a little bit up and down between 3-4000 rpm. What EBC are you using?
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Re: As expected
[Re: Freddan72]
#533679
01/02/2008 16:00
01/02/2008 16:00
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MABR
Unregistered
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MABR
Unregistered
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I don't know the engine spec but I do know he's using a Greddy Profec B.
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Re: As expected
[Re: ]
#533711
01/02/2008 16:45
01/02/2008 16:45
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h2ypr
Unregistered
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h2ypr
Unregistered
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I dont know why it done that tbh. I would always argue that electronic boost controllers dont work the same on the rollers as they do on the road. I originally got mines setup on the rollers and when i used it on the road it was crap. Its a false load the rollers is putting on it. On the road the boost is flat.
Ross
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Re: As expected
[Re: ]
#533716
01/02/2008 16:49
01/02/2008 16:49
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MattW
Unregistered
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MattW
Unregistered
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maybe because the rollers are constantly tweaking the load every 3 miliseconds?
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Re: As expected
[Re: ]
#533718
01/02/2008 16:51
01/02/2008 16:51
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eldinho
Unregistered
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eldinho
Unregistered
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i agree, rollers are totally different to the road, you are probably running 150bhp on the road come on ross give us the whole spec, I want to compare
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Re: As expected
[Re: ]
#533720
01/02/2008 16:53
01/02/2008 16:53
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h2ypr
Unregistered
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h2ypr
Unregistered
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The whole spec of what? My car? Nothing different from usual!! Ooo, better update the hall of fame. Ross
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Re: As expected
[Re: ]
#533723
01/02/2008 16:56
01/02/2008 16:56
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eldinho
Unregistered
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eldinho
Unregistered
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i think this is your spec
GT28R full 3" exhaust stage 2 TI head Fully balanced engine EVO FMIC SIP GTEC2 revised Greddy EBC
that about right?
Are you running standard CR?
Last edited by eldinho; 01/02/2008 16:58.
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Re: As expected
[Re: Flea]
#533731
01/02/2008 17:06
01/02/2008 17:06
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Kenno
Unregistered
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Kenno
Unregistered
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No question, that is the best GT28R coupe this forum has ever seen. I wonder what suba's got to say about that
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Re: As expected
[Re: ]
#533732
01/02/2008 17:06
01/02/2008 17:06
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h2ypr
Unregistered
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h2ypr
Unregistered
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Its a stage 2/3 accoring to barbz.
Its not a gtech2 im running.
I dont know about the compression. I would doubt it due to the driveability off boost.
Ross
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Re: As expected
[Re: ]
#533765
01/02/2008 17:52
01/02/2008 17:52
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Joined: Dec 2005
Posts: 5,405 Castle Combe
Flea
Forum is my life
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Forum is my life
Joined: Dec 2005
Posts: 5,405
Castle Combe
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No question, that is the best GT28R coupe this forum has ever seen. I wonder what suba's got to say about that I shall clarify The best GT28R torque/power curve goes to Ross with amazing spool and powerband Si does have a very very nice suspension/brake kit which will be fantastic on the track
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Re: As expected
[Re: ]
#534153
02/02/2008 02:32
02/02/2008 02:32
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Blueman
Unregistered
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Blueman
Unregistered
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Now that is a proper torque graph
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Re: As expected
[Re: Nigel]
#534189
02/02/2008 03:31
02/02/2008 03:31
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h2ypr
Unregistered
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h2ypr
Unregistered
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Why oh why do RR companies insist on using different scales for power and torque
yet again, we have a torque plot that crosses the power plot at the wrong rpm
It gives a slightly skewed picture of whats actually happening
Still an impressive graph for a GT28R - would be interesting to plot my graph over the top - I bet you're making 100bhp more than me at some points I'd be up for that!! Also, what you think it does to the "picture" by the wrong switchover? I did notice that myself. Ross
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