for the snail heads.....i've heard mixed things about clipping the wheels....is anyone familiar with

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for the snail heads.....i've heard mixed things about clipping the wheels....is anyone familiar with

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09-15-2005, 04:41 PM	#1
Arcteryx::Stock Rods AudiWorld Super User Account #: 70072 Join Date: Feb 2004 Posts: 8,198	for the snail heads.....i've heard mixed things about clipping the wheels....is anyone familiar with the pros and cons of doing this?? if so,do you lose low end but gain high? TIA __________________ Bored 2.8/9.1CR JE Pistons/034 Rods/RS4 Heads KO4's Port Polished/VAST Meth Injection RS4 Intake Manifold/Throttle Body X-1 Intake/ER IC's ASP Exhaust Heads to Tips Clutchmaster Stage IV with LWFW STaSIS Ohlins 700/800 AWE DTS Alcons 355 6 Piston BBK

09-15-2005, 04:45 PM	#2
Imolavirus@BuehnEngineering AudiWorld Super User Account #: 33927 Join Date: Mar 2002 Posts: 17,946	that is the main principle......you'll increase lag slightly but gain flow in the higher rpms The decreased efficiency of the turbine wheel during spoolup results in more lag but in the higher rpm's the turbine wheel is less of a hindrance to exhaust flow. There is also going to be a slight weight loss....but not enough to really make a noticeable difference. __________________ -Jacob ^^^CLICK SIG FOR BUEHN ENGINEERING WEBSITE^^^ <big><big>Website Here!!!</big></big> <big>Items For Sale</big>

09-15-2005, 04:48 PM	#3
Arcteryx::Stock Rods AudiWorld Super User Account #: 70072 Join Date: Feb 2004 Posts: 8,198	thanks for the reply jacob....do you recommend to have this done? __________________ Bored 2.8/9.1CR JE Pistons/034 Rods/RS4 Heads KO4's Port Polished/VAST Meth Injection RS4 Intake Manifold/Throttle Body X-1 Intake/ER IC's ASP Exhaust Heads to Tips Clutchmaster Stage IV with LWFW STaSIS Ohlins 700/800 AWE DTS Alcons 355 6 Piston BBK

09-15-2005, 05:01 PM	#4
Mike2kS4 Elder Member Account #: 38083 Join Date: Jun 2002 Posts: 12,104	How about <clearancing>? it works. __________________ 2002 S4 Avant, 6spd. Bone stock. <a href="http://www.autospeed.us"> </a> Caveat: Any advice I express regarding potential tuning and such is purely informational. If your knowledge and abilities are not up to the task, no amount of advice can assist.

09-15-2005, 05:06 PM	#5
Imolavirus@BuehnEngineering AudiWorld Super User Account #: 33927 Join Date: Mar 2002 Posts: 17,946	different approach to the same result.....yeah __________________ -Jacob ^^^CLICK SIG FOR BUEHN ENGINEERING WEBSITE^^^ <big><big>Website Here!!!</big></big> <big>Items For Sale</big>

09-15-2005, 05:07 PM	#6
Imolavirus@BuehnEngineering AudiWorld Super User Account #: 33927 Join Date: Mar 2002 Posts: 17,946	it depends if that is the result you're looking for __________________ -Jacob ^^^CLICK SIG FOR BUEHN ENGINEERING WEBSITE^^^ <big><big>Website Here!!!</big></big> <big>Items For Sale</big>

09-15-2005, 05:26 PM	#7
turbo turbo New Member Account #: 90599 Join Date: Apr 2005 Posts: 31	Can someone explain what is done to the turbine to clearance, or clip the wheels? __________________ -Ken Denver, CO (land of many quattros) 2001 Santorin Blue, 6spd, GIAC software.

09-15-2005, 05:34 PM	#8
Imolavirus@BuehnEngineering AudiWorld Super User Account #: 33927 Join Date: Mar 2002 Posts: 17,946	clipping the turbine wheel means that you take material off the "tops" of the fins, or the part of the fin furthest away from the bearing. Clearancing takes material away from the turbine housing to increase the clearance from the housing to the turbine wheel. __________________ -Jacob ^^^CLICK SIG FOR BUEHN ENGINEERING WEBSITE^^^ <big><big>Website Here!!!</big></big> <big>Items For Sale</big>

09-15-2005, 05:43 PM	#9
Arcteryx::Stock Rods AudiWorld Super User Account #: 70072 Join Date: Feb 2004 Posts: 8,198	their's a picture of a clipped wheel in my pic poster. __________________ Bored 2.8/9.1CR JE Pistons/034 Rods/RS4 Heads KO4's Port Polished/VAST Meth Injection RS4 Intake Manifold/Throttle Body X-1 Intake/ER IC's ASP Exhaust Heads to Tips Clutchmaster Stage IV with LWFW STaSIS Ohlins 700/800 AWE DTS Alcons 355 6 Piston BBK

09-15-2005, 06:10 PM	#10
::yrk2.7t::M-Box²® Member Account #: 34928 Join Date: Mar 2002 Posts: 4,392	So would a clearanced turbo have more flow than a clipped turbo... since there is more wheel there?? __________________ 2002 Allroad-with a few mods 2001.5 S4-Mods on the way

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