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| Author | Subject: 206 turbo |
 206
Newbie  Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #26
My thoughts exactly.Plated diff is either giving it everything it's got, or nothing, as opposed to the quaife that always shifts the torque wherever is needed more, and will never lock up completely. Also, plated diff needs wheelspin before it does anything, while torsen does its stuff before any slip occurs. Much more civilized for daily driving, much less aggressive. It will break the box before the plated diff would, though, much harder on the casing. |
 Posted 1st Mar 2011 at 21:23
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #27
Two questions, regarding the issues i've had on the car:- has anybody had any problems with turbo seals failing because of excessive oil pressure, causing the oil to gush past into the intake, past the impeller and into the exhaust? - how have other people solved the brake booster vacuum? I've had issues with incufficcient quantity of vacuum on the ITBs, causing trouble with brake servo assistance. Wondered how other people dealt with those. |
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Posted 1st Mar 2011 at 21:28
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binkagti
Seasoned Pro  Location: canterbury Registered: 14 Oct 2006 Posts: 2,411 Status: Offline |
Post #28
Having to have my oil seals changed in my garrett t34/35 turbo, blowing into the exhaust causing slight smoke coming off boost at 7000rpm then clearing once going back on throttle.Also some black soot sometimes coming out of the exhaust, what are your symptoms. ________________________________________ TEAM Supercharged Rallye |
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Posted 2nd Mar 2011 at 00:29
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #29
Oil pressure at idle is around 5.5 bar on cold, dropping to around 4 when oil heats up, with 6 bar maximum. No matter how good the oil drain from the turbo was, there was no way i could drain it quickly enough, it was just too much pressure and oil quantity for the ballbearing to handle even though i had 2 restrictors on the JIC3 oil feed line - so i had oil gushing past the intake impeller toward the filter, into the intake and exhaust. What i did was put a heavy duyu electric oil scavenge pump to the oil return line, to draw oil from the turbo and oil catch can, and push it back to the sump. That created another problem, with the Accusump, because if the Accu pushed oil in the engine while the scavange was not on, i got oil in the exhaust and intake again...had to make the scavenge run for a while even if the engine is shut off to prevent that. I was wondering how others dealt with that, in a more simple manner or have they made it complicated like i did  |
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Posted 2nd Mar 2011 at 15:48
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noaki
Senior User Location: \"sunny\" Bournemouth Registered: 05 Apr 2009 Posts: 506 Status: Offline |
Post #30
i like this alot anychance of some more pics??  ________________________________________ Team ex "manstone" - "THATS TO LOW!!"..."I KNOW!" Team defeat - bring on the *06! :/ |
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Posted 2nd Mar 2011 at 17:04
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #31
Sure, i got tons. Pics of anything in particular? |
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Posted 2nd Mar 2011 at 21:24
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #32
 - head with mech. valvetrain, oversize stainless steel valves.  - as it once was, decompression plate - old pistons, all went bust at the same place, that's what happens when you don't have the eccentric pin on the pistons... - old and new, forged crank  - "welder's nightmare" - AP Racing twin plate cerametallic 184mm - fans and twincore rad  - accusump and oil cooler  - brake booster vacuum pumps - all of those are essential, i assure you    - scavenge pump |
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Posted 2nd Mar 2011 at 22:11
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
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Posted 2nd Mar 2011 at 22:16
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spiky
Seasoned Pro  Location: Cardiff Registered: 13 Oct 2006 Posts: 2,310 Status: Offline |
Post #34
looks very impressive please tell me thats not a "show" cage? ________________________________________ Do you need a 205 > 306 gti6 plug and go engine loom? PM METORQUES for all your braided fuel line needs MY YouTube Videos' SUPERCHARGED 205 GTI6.... are you Fooking nuts!.... ummmm YIP 268+BHP and 860kg = FUN |
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Posted 2nd Mar 2011 at 22:20
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #35
Nothing on the car is purely for show. Roll cage is made of a seamless CrMo bent pipe, 8 point bolt in, a slightly downsized copy of the Peugeot Sport cage, so it's far from a simple collection of cobbled up pipes with no structural logic behind it. I only thought it would look better chromed. |
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Posted 2nd Mar 2011 at 22:31
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spiky
Seasoned Pro Location: Cardiff Registered: 13 Oct 2006 Posts: 2,310 Status: Offline |
Post #36
ah ok persoanlly (and just my view ) it does looka bit chavy in chromematt black would look better have you got a power graph of the car? ________________________________________ Do you need a 205 > 306 gti6 plug and go engine loom? PM METORQUES for all your braided fuel line needs MY YouTube Videos' SUPERCHARGED 205 GTI6.... are you Fooking nuts!.... ummmm YIP 268+BHP and 860kg = FUN |
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Posted 2nd Mar 2011 at 22:30
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noaki
Senior User Location: \"sunny\" Bournemouth Registered: 05 Apr 2009 Posts: 506 Status: Offline |
Post #37
206 wrote: Sure, i got tons. Pics of anything in particular? a bigger side view or the back end? ________________________________________ Team ex "manstone" - "THATS TO LOW!!"..."I KNOW!"Team defeat - bring on the *06! :/ |
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Posted 2nd Mar 2011 at 22:32
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #38
 I didn't want to paint it, as the roll bars in my other cars got chipped and became pretty scruffy over time, chrome does not deteriorate. Black chrome, though...hmm |
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Posted 2nd Mar 2011 at 23:15
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daveyboy
aka Jim Davey  Location: Southampton Registered: 01 Oct 2007 Posts: 8,648 Status: Offline |
Post #39
Chrome does cause weld embrittlement and will reduce the cage's effectiveness in a crash  Thats why historic race cars are'nt allowed to chrome their wishbones, they have them zinc passivated instead, just thought you should know ________________________________________ R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.Some of my services: (See my for sale threads) Engine mount/chassis repair Solid Beam Mounts BACK IN PRODUCTION Harness bars |
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Posted 2nd Mar 2011 at 23:18
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #40
BIG ENOUGH?       |
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Posted 2nd Mar 2011 at 23:25
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #41
daveyboy wrote: Chrome does cause weld embrittlement and will reduce the cage's effectiveness in a crash Thats why historic race cars are'nt allowed to chrome their wishbones, they have them zinc passivated instead, just thought you should know That's why none of the welded seams were chromed, but painted. Valid point though, it will probably not be as good in a crash as the real cage would be, but it's there primarily to stiffen the chassis, as i don't plan to go rallying anytime soon. |
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Posted 2nd Mar 2011 at 23:24
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #42
Small update - changed injectors to 1600cc Injector Dynamics, plan to run ethanol as well, lift the power up a bit |
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Posted 12th May 2011 at 13:48
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russbez
Seasoned Pro  Location: Inverness-Shire Registered: 19 Dec 2005 Posts: 7,458 Status: Offline |
Post #43
very nice readthanks ________________________________________ TEAM HIGH BOOST SUPERCHARGED RALLYEMy Rallye project thread |
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Posted 12th May 2011 at 14:57
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cwspellowe
Seasoned Pro  Location: Calderbank Registered: 19 Jul 2009 Posts: 6,496 Status: Offline |
Post #44
206 wrote: - all of those are essential, i assure you Sure, but I don't see an AFR gauge  ________________________________________ Bye bye Sundance Kid |
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Posted 12th May 2011 at 22:33
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rwgti
Seasoned Pro  Location: Yorkshire Registered: 08 Jul 2008 Posts: 1,727 Status: Offline |
Post #45
Looks like you have put alot into it mate  ________________________________________ Team Astor Grey Supercharged GTI 6 |
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Posted 13th May 2011 at 01:44
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vipergti
Junior User  Location: WARRINGTON Registered: 10 Apr 2011 Posts: 69 Status: Offline |
Post #46
Got to say pretty impressed well done  ________________________________________ Proud Member Of Team Astor |
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Posted 13th May 2011 at 02:04
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #47
The point of an AFR being...? Nothing you can do about that anyway, once you map the car, no need to know that anymore, it's an indirect and imprecise way of knowing what's going on inside an engine. EGT on the other hand is a better indicator of something going potentially wrong. Not ideal, not all-knowing and without fault, but still very useful.The Ecu monitors both anyway and compensates or cuts power if they go outside the safe parameters. |
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Posted 13th May 2011 at 14:34
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asim_pug306
Senior User  Location: Bradford Registered: 26 Aug 2009 Posts: 933 Status: Offline |
Post #48
Great build mate well done. I love the way you emphatically answer criticisms  , clearly know your stuff!________________________________________ '01 Astor Grey GTi6'99 Cherry Rallye |
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Posted 13th May 2011 at 07:02
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206
Newbie Location: Belgrade Registered: 24 Feb 2011 Posts: 42 Status: Offline |
Post #49
Well, had lots of critics, lots of practice |
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Posted 13th May 2011 at 14:33
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adam b
Seasoned Pro  Location: The Nam Registered: 24 Jan 2006 Posts: 12,828 Status: Offline |
Post #50
Slightly strange shelf in the power curve at 5.5k rpm. Whats that about? Is it just from the turbo finally hitting maximum boost pressure?I can see why it is drive-able with the torque increasing so steadily. Bet it still shifts though. Mine has a much bigger torque spike low down (about 3k) which will go when its remapped. ________________________________________ Nothing to see here |
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Posted 13th May 2011 at 15:36
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