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Registered User
Join Date: Oct 2006
Location: Chas, SC
Posts: 1,052
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Wastegate pipe
What effect on sound and performance would replacing my stock WG pipe (has the muffler/can) with just a pipe? Would I be able to hear the WG open better?
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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02-16-2007, 11:40 AM
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Registered User
Join Date: Jun 2004
Location: Siesta Key, Florida
Posts: 1,237
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My understanding is that performance wise, it will help to prevent overboost situations since it can immediately evacuate boost when open. Mine sounds like an F 14 when it opens. (Cool in tunnels)
JP
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JP 86 930/4 tribute beasty 81 sc beach beater ‘55 Belair ‘40 Ford pickup |
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02-16-2007, 12:02 PM
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Registered User
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Location: Barrington, RI
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Re: Wastegate pipe
Quote:
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07 Audi A4 2.0T Cabriolet - Black/Black (sold) 96 993 C2 Cabriolet - Arena Red/Tan (sold) 82 911SC - 993 Turbo Cab Trib - Speed Yellow/Black (sold) 58 DKW Universal - Baby Crap Yellow/Beige (sold) |
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02-16-2007, 12:43 PM
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Registered User
Join Date: Oct 2006
Location: Chas, SC
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Running a stock euro muffler, no cat.
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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02-16-2007, 12:58 PM
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A fellow Pelacanite
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It will sound awesome and as stated it will help you maintain a accurate boost level.
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG. Fitting - New service kit. Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head. 1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods. Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit. http://www.danasoft.com/sig/Iamnotanumber.jpg |
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02-16-2007, 01:10 PM
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Registered User
Join Date: Oct 2006
Location: Chas, SC
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Found a monty from AASE for $80.00. I did not find one from our host... I'll post a WTB in the For Sale forum and see what comes up. Any other recommendations?
http://www.**************/monmwg0119tu.html
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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02-16-2007, 01:16 PM
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Registered User
Join Date: Jan 2003
Location: Burlington, Wisconsin
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i HAVE A SHORT 90 DUMP ALL STAINLESS 45 plus shipping or I will make you what you want new.. I have 100 new stainless flanges that just came in along with turbo flanges..
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Ben 914-6 2.4s GT tribute. 914-6werkshop.com manufacturer of 914-6, GT, Conversion parts |
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02-16-2007, 01:51 PM
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Open atmosphere Waste gate= wood
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Kris @ Tech9 86' 930/GT-40R Sold  94' Rustang GT daily (long gone) 2008 C6/Z51 Corvette |
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02-16-2007, 04:02 PM
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Join Date: Mar 2002
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Dumping to atmo sounds absolutely fantasic! It's like a jet engine is back there
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Merv '89 911 Turbo Cab Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition 
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02-16-2007, 04:47 PM
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Location: Chas, SC
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OK, I'm convinced. I am ready to buy and install....NOW!
Thanks for all the responses... tim.
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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02-16-2007, 06:37 PM
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Location: Australia
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I went to exhaust shop and got them to cut off the pipe and muffler and weld a straight through to the same flange in a larger diameter. $40 and fifteen minutes later what a noise, lol
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In Heaven… the mechanics are German, the chefs are French, the police are British, the lovers are Italian and everything is organized by the Swiss. In Hell…the mechanics are French, the police are German, the chefs are British, the lovers are Swiss and everything is organized by the Italians. |
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02-16-2007, 06:53 PM
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Join Date: May 2005
Location: Houston
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Its not how big your pipe is...its how you use it!!!
 Yasin
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Ole Skool - wouldn't have it any other way |
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02-17-2007, 06:07 AM
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Registered User
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Location: Chas, SC
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Does the length of the WG pipe make a difference?
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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02-17-2007, 07:53 AM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
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Sound?
PSSSSSSHHHH under boost - loud. I have this setup.
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- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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02-17-2007, 08:12 AM
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Crotchety Old Bastard
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The length of the wastegate pipe and the location of the outlet both make a difference in the sound level.
Mine is about 8" long and has a 90* bend at the end pointing it toward the ground. With a stock Euro muffler there is a marked transition from the growl of an excellerating engine to "the gates of hell" opening up when boost hits. Loud when you want it to be.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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02-17-2007, 11:52 AM
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Registered User
Join Date: Dec 2005
Location: Atlanta, Georgia
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Ben:
If you can fabricate a w/g pipe similar to the Monty style as noted in an above post, I'll order from you.
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87 930 96 BMW M3 Coupe 89 951 Peugeot moped |
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02-17-2007, 02:18 PM
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Quote:
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Ben 914-6 2.4s GT tribute. 914-6werkshop.com manufacturer of 914-6, GT, Conversion parts |
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02-17-2007, 03:11 PM
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Registered User
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Location: Chas, SC
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Ben, Sent you an email and PM....
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Tim 1986 930 Gone:71,2,4 914's, 70T, 71T(RS),77S |
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02-17-2007, 05:45 PM
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Crotchety Old Bastard
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Ben - I'll test your wastegate dump nub as well.
Thanks.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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02-17-2007, 05:52 PM
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Registered User
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Location: Burlington, Wisconsin
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Quote:
everyone else that contacted me has been replied to
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Ben 914-6 2.4s GT tribute. 914-6werkshop.com manufacturer of 914-6, GT, Conversion parts |
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02-18-2007, 04:05 AM
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78 Porsche 911SC 3.0L, 3.3Turbo soon. 
