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UrS4 2.2T Sedan project
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Today was the day
After a 800km trip which started today at 3am i'am finally home. Everything went wery good. I thought i would get some more power out of it but i'am happy with how the car preformed anyway (my first build). No problems at all. I was told that if i pushed over 2bar it will may be a risk because i ran it on 98oct so i decided to stop at 2 bar. We tried to push it up to 2.3bar and i went good but i decided to play safe and vent down to 2 bar and 378whp (461hp at crank) was highest hp it ran. Unfortunately i forgot to record a video but the tuner recorded the dyno runs so he will upload it later on. Some pics of my day
Power is measured on the wheels!
Last edited by s0_big; 1 June 2015, 20:03.
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Nice. Just enjoy your car now. I'm running a Precision 6262 and at my first dyno session i was making 500hp at the crank with 98oct. Now after some time tweaks and E85 im at 700hp
So just enjoy and improve it now.1360kg/600Whp Avant 0-200km/h 9sec
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Thanks
Thanks for the kind words. I'm really enjoying the car. It pulls lika a train as far as you keep the revvs up. I will polish the car tomorrow because it's worth it now.. In the weekend i will put many miles on it and hopefully i can find some old gentlemen in their porsches and smoke their asses
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Flywheel
Originally posted by macspring View PostGreat progress / result. Looking forward to a drive by video.
Can the flywheel be used with an em clutch ?
I presume the flywheel is lighter than the AAN flywheel ?
Thanks.
The flywheel is used with 707 Sachs pressure plate.
Yes it's Lighther than AAN flywheel. But How much i don't know.
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Originally posted by mushasho! View PostSo what was the limiting factor stopping you from making more power?...
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I am not sure how you arrive at the 28% drivetrain loss (483 stated hp).
I usually tend to see 20% on these cars. And 378whp would be ~454hp in that case.
That said, on 98 RON this is a perfectly normal result. There is not much use going more than 1.9-2 bar on pump fuel. Result is only heat and detonation.
I don't know what the dyno's ramp rate was set at, but the spoolup seems a little late.
A HX35 Super makes the same power and has 2 bar at 3.9-4k.
WMI or E85 would help a lot. In fact I don't see why you don't use E85 with dual map switch if you are in Sweden, as E85 is almost more common than 98 RON over there.
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Originally posted by prj View PostI am not sure how you arrive at the 28% drivetrain loss (483 stated hp).
I usually tend to see 20% on these cars. And 378whp would be ~454hp in that case.
That said, on 98 RON this is a perfectly normal result. There is not much use going more than 1.9-2 bar on pump fuel. Result is only heat and detonation.
I don't know what the dyno's ramp rate was set at, but the spoolup seems a little late.
A HX35 Super makes the same power and has 2 bar at 3.9-4k.
WMI or E85 would help a lot. In fact I don't see why you don't use E85 with dual map switch if you are in Sweden, as E85 is almost more common than 98 RON over there.
The reason i decided to go with gasoline was that i didn't have to build a new fuel system. Just dropped in a 044 and new filter, injectors. Maybe in the future i will change to E85 but for now it's going to run on 98 gasoline.
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