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#11
04-05-2011, 09:45 PM
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yeah, even looking at one of my timings, your on the money. so definately not retarding too much.
post a boost log?
__________________
 Long live the WRC 
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#12
04-05-2011, 09:53 PM
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Boost log:
 AFR Log: 
__________________
[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER]
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#14
05-05-2011, 11:20 AM
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I was running a VF29 on this motor before fitting the 34....It has the same exhaust turbine, housing & wastegate & there was no issue.
I realise the 34's compressor is 1mm bigger but I didn't expect to run into the issue I have.
__________________
[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER]
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#17
05-05-2011, 12:14 PM
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Quote:
Quote:
__________________
[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER]
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#18
05-05-2011, 12:53 PM
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I get compressor surge in 4th and 5th when at lowish revs and booting it. I heard there was a difference between some vf34's. Some had a smoothed rear housing near the flapper and others had a knife edge. The ones with the knife edge caused bad surge to. Can grind them with a dremel.
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#19
05-05-2011, 01:01 PM
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Even still the high rpm boost creep points towards needing a P20 size exh housing.
__________________
[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER]
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#20
05-05-2011, 01:07 PM
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why not run a little more boost (1.6?)
at redline, the vf34 will taper down to that anyway.
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Long live the WRC
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