damouk Posted November 5, 2005 Share Posted November 5, 2005 joined in on my mates scooby dyno day and ran for the first time, i was thinking i might make about 400 and made 431, 317 at the wheels really happy your comments please..... Quote Link to comment Share on other sites More sharing options...
CJ Posted November 5, 2005 Share Posted November 5, 2005 Why is there a 26% difference in the 2 figures? Quote Link to comment Share on other sites More sharing options...
damouk Posted November 5, 2005 Author Share Posted November 5, 2005 drive train losses.. Quote Link to comment Share on other sites More sharing options...
Ian C Posted November 5, 2005 Share Posted November 5, 2005 Dude, change the sand in your gearbox to oil -Ian "8% drivetrain losses" C Quote Link to comment Share on other sites More sharing options...
CJ Posted November 5, 2005 Share Posted November 5, 2005 Dude, change the sand in your gearbox to oil -Ian "8% drivetrain losses" C I thought the quoted figure seemed very high too. TBH, I felt that the flywheel figure of 430bhp seemed very high compared to the mods in your sig. Thats a 110bhp increase over stock. But I suppose you can only quote the figures given eh? Quote Link to comment Share on other sites More sharing options...
Suprasteve Posted November 5, 2005 Share Posted November 5, 2005 does the rolling road machine somehow work out the drive train losses or does the human operator simply input a percentage loss manually ? if so where does he get the percentage figure from - the manufacturer ? :shrug: Quote Link to comment Share on other sites More sharing options...
Scoboblio Posted November 5, 2005 Share Posted November 5, 2005 I've been told before at a RR that it works out drivetrain losses by measuring the resistance offered to the rollers when the engine is winding down from max revs - it made sense at the time, but I've since heard several times that that's complete rubbish What's more the rolling road operator who told me that has been known to produce somewhat "interesting" results on supras, especially autos. Quote Link to comment Share on other sites More sharing options...
SteveR Posted November 5, 2005 Share Posted November 5, 2005 Damouk, was this at 'Powerstation' nr Tewksbury by any chance?? Quote Link to comment Share on other sites More sharing options...
CJ Posted November 5, 2005 Share Posted November 5, 2005 Damouk, was this at 'Powerstation' nr Tewksbury by any chance?? Powerstation said they couldn't dyno mine as it was an auto Quote Link to comment Share on other sites More sharing options...
damouk Posted November 5, 2005 Author Share Posted November 5, 2005 Yea powerstation it was! I should update my sig really spec as follows: full decat, nur spec R, FMIC and SBC-ID3, SSQV Quote Link to comment Share on other sites More sharing options...
Guest Flat4_ire Posted November 5, 2005 Share Posted November 5, 2005 joined in on my mates scooby dyno day and ran for the first time, i was thinking i might make about 400 and made 431, 317 at the wheels really happy your comments please..... 430bhp from those mods?? thats wicked man Quote Link to comment Share on other sites More sharing options...
SteveR Posted November 5, 2005 Share Posted November 5, 2005 Yea powerstation it was! I should update my sig really spec as follows: full decat, nur spec R, FMIC and SBC-ID3, SSQV Aha! I nipped in there this afternoon and had a chat with the guys there, mantioned there was a impreza club dyro day this morning, and that a Supra was the most powerful car of the day I was actually visiting a scuba shop opposite it and spotted it as I drove in... thought "hang on, 'powerstation'... that rings a bell" - nipped in and had a nose around, they seemed like really decent chaps Quote Link to comment Share on other sites More sharing options...
Tom Posted November 5, 2005 Share Posted November 5, 2005 The 120hp loss strikes me as a bit odd!, I'm not totally sure what it is normally but mine was around 70hp, manual too. Quote Link to comment Share on other sites More sharing options...
Pig Posted November 5, 2005 Share Posted November 5, 2005 whats an SBC-ID3? Quote Link to comment Share on other sites More sharing options...
CJ Posted November 5, 2005 Share Posted November 5, 2005 whats an SBC-ID3? A boost controler Quote Link to comment Share on other sites More sharing options...
damouk Posted November 6, 2005 Author Share Posted November 6, 2005 I did not really think of the losses at the time as I was / am happy with the figures that were given, but the losses do look to be quite high Quote Link to comment Share on other sites More sharing options...
Branners Posted November 6, 2005 Share Posted November 6, 2005 one important question is what was the peak boost? JB Quote Link to comment Share on other sites More sharing options...
damouk Posted November 6, 2005 Author Share Posted November 6, 2005 The SBC-ID3 had a peak boost of 1.2bar when i got back in Quote Link to comment Share on other sites More sharing options...
Guest Flat4_ire Posted November 6, 2005 Share Posted November 6, 2005 The SBC-ID3 had a peak boost of 1.2bar when i got back in man that is serious power for those mods, boost isnt high either Quote Link to comment Share on other sites More sharing options...
SkyJawa Posted November 6, 2005 Share Posted November 6, 2005 I'd be more inclined to believe the RWHP figure than the fly figure - those losses seem far too high............. Quote Link to comment Share on other sites More sharing options...
Bobbeh Posted November 6, 2005 Share Posted November 6, 2005 I'd estimate you're running around 380-400bhp with those mods after looking at the rolling road output. 26% loss is way too high, try more like 18% on a rolling road. Nice figures anyway Quote Link to comment Share on other sites More sharing options...
CJ Posted November 6, 2005 Share Posted November 6, 2005 I'd estimate you're running around 380-400bhp with those mods after looking at the rolling road output. 26% loss is way too high, try more like 18% on a rolling road. Nice figures anyway Quote Link to comment Share on other sites More sharing options...
damouk Posted November 6, 2005 Author Share Posted November 6, 2005 im happy there was no big drop in power at the switch point, got a few PSI left in the bag too!! Quote Link to comment Share on other sites More sharing options...
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