Another Project started (GT30R, fuel managenent etc)
09-19-2005, 03:45 PM
#92
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Update:
Now when My Afr's are OK, car builds boost much earlier, Friend of mine took it to Norway, to some carshow and did fine tuning on the road (1200 km) that was enough for cruising maps. Avarage consumption is somewhat 10 liters per 100 kmh while avarage cruising speed during the trip was 100 kmh. There was also approx 50 km of 250+kmh driving, so I think that is close to perfect what this car could do on fuel consuming. That Tatech engine management I have, is just awsomem, and really simple to use.
Few things that we noticed : On full loads turbo starts to surge on the 5000 rpm, that means that I need to do some cam timing right? Turbo could but more air through engine, but the engine cant accept it ( at the moment of course). On the frist step I need to install adjustable cam gear, that will do part of the job, next, some long duration camshaft together with stiffer valve springs. What do you guy's think about that, I need some advise here..
Thanks in advance..
Now when My Afr's are OK, car builds boost much earlier, Friend of mine took it to Norway, to some carshow and did fine tuning on the road (1200 km) that was enough for cruising maps. Avarage consumption is somewhat 10 liters per 100 kmh while avarage cruising speed during the trip was 100 kmh. There was also approx 50 km of 250+kmh driving, so I think that is close to perfect what this car could do on fuel consuming. That Tatech engine management I have, is just awsomem, and really simple to use.
Few things that we noticed : On full loads turbo starts to surge on the 5000 rpm, that means that I need to do some cam timing right? Turbo could but more air through engine, but the engine cant accept it ( at the moment of course). On the frist step I need to install adjustable cam gear, that will do part of the job, next, some long duration camshaft together with stiffer valve springs. What do you guy's think about that, I need some advise here..
Thanks in advance..
09-20-2005, 08:34 AM
#98
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Im planning to test late model NA cam on my 951. Late model N/A cam should have 1mm more lift on exhaust, and 4 degrees more duration. Maybe we can brake the mystery of NA cam here. It should work for my application. Ill let you all know...
Cheers
markus
Im planning to test late model NA cam on my 951. Late model N/A cam should have 1mm more lift on exhaust, and 4 degrees more duration. Maybe we can brake the mystery of NA cam here. It should work for my application. Ill let you all know...
Cheers
markus
09-20-2005, 08:48 AM
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Originally Posted by Duke
You Norweigans are crazy! Next year I really need to visit Gatebil....
If you come over,let me know...I've been there so many years in a row now so I'm almost on the "inventory" list...
09-20-2005, 08:51 AM
#100
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Originally Posted by Skunk Workz
Not crazy...we just know how to have fun. Fast cars,babes and a racetrack all weekend...what else do you need? If you come over,let me know...I've been there so many years in a row now so I'm almost on the "inventory" list...
If you come over,let me know...I've been there so many years in a row now so I'm almost on the "inventory" list...I'll definatly try to make it next year!
09-20-2005, 08:54 AM
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Originally Posted by Markus951
Also
Im planning to test late model NA cam on my 951. Late model N/A cam should have 1mm more lift on exhaust, and 4 degrees more duration. Maybe we can brake the mystery of NA cam here. It should work for my application. Ill let you all know...
Cheers
markus
Im planning to test late model NA cam on my 951. Late model N/A cam should have 1mm more lift on exhaust, and 4 degrees more duration. Maybe we can brake the mystery of NA cam here. It should work for my application. Ill let you all know...
Cheers
markus
The NA cam is better,but it still has too little overlap and duration,you need a cam with quite a bit more duration to see a significant gain on top.
09-20-2005, 08:57 AM
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Originally Posted by Duke
Hehe sounds excellent...well that sounds about everything you need for a good weekend
I'll definatly try to make it next year!
I'll definatly try to make it next year!
...in Sweden,on the Bilsport days,if you go so fast you go partially sideways,you get a black flag...here,you get and 12000 people cheering you along. 
09-20-2005, 09:03 AM
#103
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. Fast cars,babes and a racetrack all weekend...what else do you need?.
Konstantin
09-20-2005, 09:24 AM
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Originally Posted by Konstantin
I have a fast car and we also have many race tracks. We just need the babes. Can you arange this?
Konstantin
Konstantin
09-23-2005, 08:40 AM
#105
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Is there anyone who could tell what is the diameter on crossover pipe Is it 54 outside and 51mm inside? Im planning to swap it for 48mm outside and 44 inside, that should imporve spoolup on my current ball bearing unit. Has anyone done anything like this?