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930s rule the wasteland
 
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Thumbs up Found TSB for Load surging 911 turbo

Wish I had a scanner for this but anyway
Subject:Part -load surging
Model 911 turbo
group 25
part identifier 2587
number 77-03
engine surging at part throttle under load (similar to ignition misfiring) can be caused by a leaking intake minifold gasket.(total of 12 gaskets go above and below intermediate flange)
replace gasket or gaskets as required
part required:gasket part number 930 110 197 01
note: there are 12 identical gaskets-6 between intake manifold and intermediate flanges; 6 between intermidiate flanges and heads. any of these,if leaking ,could cause erratic engine performance.
Hope this my problem! and hope this clears up your problems!
Pete
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1980 930 Turbo
1993 Corrado
1983 944
1984 944
2001 VW golf TDI
Old 12-21-2008, 05:30 AM
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Crotchety Old Bastard
 
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Leaking phenolic blocks can cause a multitude of symptoms.
Check/tighten each injector block before going to the trouble of changing gaskets.
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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
Old 12-21-2008, 05:35 AM
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930s rule the wasteland
 
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do they crack or get warped?
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1980 930 Turbo
1993 Corrado
1983 944
1984 944
2001 VW golf TDI
Old 12-21-2008, 05:38 AM
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I recently purchased a carrera 3.2 with a bad missfire and it turned out to be inlet manifold gaskets...
This could be your problem however as advised above i would try and re-torque first and maybe test for leaks at each one before you go ahead and strip down!!
Link below is for 3.2 carrera engine.. Similar set up in the 930 apart from the injectors are located also in the blocks.
I believe they can crack,,not so sure they would warp though.

1988 3.2 carrera engine bad missfire,HELP!!
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Porsche inspector for Peter Morgan UK
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"92" 964 turbo,Modified and recently rebuilt using all ARP hardware..
Purpose built fuel controller set up to acheive perfect fuel curve on CIS inj.

Last edited by stup; 12-21-2008 at 05:53 AM..
Old 12-21-2008, 05:50 AM
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930s rule the wasteland
 
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had some small cracks but nothing real bad, the valves in these heads are huge. no gaskets wiped and manifold was tight
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1980 930 Turbo
1993 Corrado
1983 944
1984 944
2001 VW golf TDI
Old 12-21-2008, 08:08 AM
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930s rule the wasteland
 
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what is this nonsense, doesnt look stock
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1980 930 Turbo
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1984 944
2001 VW golf TDI
Old 12-21-2008, 08:12 AM
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Maybe some ancient boost controler?
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Old 12-21-2008, 10:33 AM
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930s rule the wasteland
 
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should i delete this stuff
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1980 930 Turbo
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1983 944
1984 944
2001 VW golf TDI
Old 12-21-2008, 10:34 AM
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Crotchety Old Bastard
 
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Yes, the phenolic blocks regularly crack with age/heat. If they are not loose and you have to tear it down then inspect each block for cracks larger than the typical small spider viens.
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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
Old 12-21-2008, 01:11 PM
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930s rule the wasteland
 
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they do have some fractures in like 3 of them will this cause a problem under low boost? I will send pics after I clean them up. manifold and fuel meter in trunk to take to work for clean up tommorrow.
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1980 930 Turbo
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2001 VW golf TDI
Old 12-21-2008, 01:41 PM
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Quote:
Originally Posted by Soeloie94o View Post
The wise man knows he knows nothing, the fool thinks he knows all.-------------------------Buy , cheap wow gold, wow gold

Can someone trace his IP and ban him?
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Thank you for your time,

Last edited by NathanUK; 11-27-2009 at 11:46 PM.. Reason: Removed spam links
Old 12-25-2008, 06:30 PM
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Yeah you would possibly get a missfire on low boost,light throttle etc if the fractures are all the way through!
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SP Autobahn www.spautobahn.co.uk
Porsche inspector for Peter Morgan UK
http://www.porscheinspections.com/
"92" 964 turbo,Modified and recently rebuilt using all ARP hardware..
Purpose built fuel controller set up to acheive perfect fuel curve on CIS inj.
Old 12-26-2008, 08:10 AM
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930s rule the wasteland
 
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ok im gonna replace all blocks and gaskets . talked w/ a buddy of mine (retired porsche mechanic) and hes pretty good w/ 3.3turbos and said its probably in the fuel head . so its on its way to Jaytan not the other screwball w/ the additude. yah that guys post are annoying ,free advertisements for him.
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1980 930 Turbo
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1983 944
1984 944
2001 VW golf TDI
Old 12-26-2008, 11:02 AM
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Quote:
Originally Posted by beepbeep View Post
Can someone trace his IP and ban him?
Please do not quote their links!

Banned him.

His IP address is: 58.17.145.77
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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
Old 11-27-2009, 11:48 PM
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Nathan,
Got a little time on your hands?
I just noticed this thread is about a year old. Are the moderators going through the archives deleting spammers?
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'85 930 Factory Special Wishes Flachbau
Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P
Old 11-28-2009, 04:49 AM
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Good job Nathan,, and Dave is right,, the car must be away for the winter huh ? hahaha
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Old 11-28-2009, 08:10 AM
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Chuck reported the spam so I deleted it.

I haven't driven my 911 carrera for over a week now

Will have to try and get the 930 back together soon...

Thanks for reporting it Chuck.
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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

Last edited by NathanUK; 11-29-2009 at 07:44 AM..
Old 11-29-2009, 07:42 AM
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