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#1
June 17th 2009, 16:10
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Made a printscreen of a testrun with an aim at 1.0 bar through the range.
Its not perfect yet, but it does show that I now have 'full' boost at 3400 rpm  The run was made in 4th gear from 2300 rpm onwards to just over 6k rpm (= appr.120 mph...), still tuning for fuel as this was the first time with an entirely new fuel map a bit changed timing and EBC map as well:  As you can see, air intake temps are a bit higher than last time as well. Temps rose to 37C after a few WOT runs. 
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#2
June 17th 2009, 19:20
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Looking pretty clean! Your air temps are a lot cooler than mine since I'm not running water injection at the moment. My temps hit 70-76C at 10psi
 and I'm totally jealous over full boost at 3400. Mine barely starts spooling by 3500, no low end for me. Does the software allow you to change graphs like AFR instead of lambda? What's your "water temp" actually measuring?
__________________
Lucy: 73 super beetle sport bug edition, 944 turbo suspension, 930 turbo brakes, 2165 FI, dry sump, turbo
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#3
June 18th 2009, 01:47
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Quote:
I only use a mercedes transmission cooler in the nose and even on the track (high rpm constantly), oil temp didn't rose over 90C, which even surprised me. Tuning is everything 
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#4
June 21st 2009, 14:00
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At our big national meeting today at Budel I went on the very same mobile rolling road dyno as a month ago and I tuned again for the same 14.7 psi or 1.0 bar boost:
 Complete with a bit of flames from the exhaust...: http://www.youtube.com/watch?v=T0PDByAqyjM Thanks for the video Tiki! Print-out above shows 288 hp at only 5561 rpm and 377 Nm (278 lbs.ft) at 4007 rpm corrected for transmission losses. At the rear wheel print-out it shows I have 266 RWhp at 6177 rpm which sounds like a more credible rpm. I need to look at that dip at 4500 rpm, but it may be intentionally as I withdrew some extra timing at what I thought to be the optimum torque point. Anyhow, the tranny obviously looses very little hp, which is nice to know as well I suppose. Very happy with the 20 RWHP addition I got with some optimization of some parts and a bit of extra tuning We also had a little drag race today at our local meeting over about 175 meters, which was fun to do as well. Everything stayed in one piece, sun was shining, so all in all I had a fantastic day 
Last edited by Wally; June 21st 2009 at 14:59.
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#5
June 22nd 2009, 16:09
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@ Budel:
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#6
June 22nd 2009, 16:12
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wicked pic...
__________________
Everyone told me its not a good idea to daily drive an aircooled bug. I agree, if the engine has a distributor and you use cheap engine parts... OR you have an early car without the decklid vents or you neglect to add an oil cooler with fan...
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#11
June 23rd 2009, 08:34
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Ah, I didn't even notice/read it..
 Actually I dunno either what it stands for; we have to ask Kulein I suppose  On topic :-) , here's two short vids of our 175meter strip... Attempt to a burn-out, but then without the smoke...: http://www.youtube.com/watch?v=lAIbrtrd3tk Run: http://www.youtube.com/watch?v=eRauAaD540w
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#12
June 23rd 2009, 13:06
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Its a local car club for aircooled VWs, Norcal Aircooled Group, NAG. They cater to old slow chrome cars, needless to say my car doesn't fit in there. The most important part of their cars are the little stick up plates they bolt to their bumpers, where I'm more concerned with going fast and decent handling. None of them would be caught dead in a 1302 or 1303...
__________________
Everyone told me its not a good idea to daily drive an aircooled bug. I agree, if the engine has a distributor and you use cheap engine parts... OR you have an early car without the decklid vents or you neglect to add an oil cooler with fan...
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#13
July 1st 2009, 04:36
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Hi
It looks like like your car is really getting it teeth into it, nose in the air back hunched down. How are you finding the G50 ratios? Assuming they are stock. Steve
__________________
STI powered 1303 in the works.
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#14
July 2nd 2009, 17:10
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Actually, I like the stock ratios just fine: The longer first is very nice to have with a torquey engine and I drive about 195 km/h at just over 6100 rpm, where my max hp is. In the quarter I don't reach that rpm in 4th .... yet
 so I have some room for upgrades left.Cruising 70mph (120 km/h) in 5th is about 3000 rpm, which is nice as well. Head temp is then 325-350F yeah, I like this gearbox mucho.
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#15
July 2nd 2009, 17:22
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isn't 350 pretty hot, or is that acceptable?
__________________
Everyone told me its not a good idea to daily drive an aircooled bug. I agree, if the engine has a distributor and you use cheap engine parts... OR you have an early car without the decklid vents or you neglect to add an oil cooler with fan...
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