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| Author | Subject: Aluminium welding boost pipes |
 manthos
Seasoned Pro  Location: Norwich Registered: 29 Apr 2009 Posts: 1,966 Status: Offline |
Post #1
Does anyone on here do or know anyone good who makes boost pipes I would like to re do all the boost pipes on the charger to nice curved ones to get more boost________________________________________ Team SUPERCHARGED I LIVE FOR THE 306 Old Project thread Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url = |
 Posted 2nd May 2016 at 15:26
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daveyboy
aka Jim Davey  Location: Southampton Registered: 01 Oct 2007 Posts: 8,648 Status: Offline |
Post #2
I can weld them, but you aren't exactly on my doorstep.________________________________________ 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 May 2016 at 15:49
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manthos
Seasoned Pro Location: Norwich Registered: 29 Apr 2009 Posts: 1,966 Status: Offline |
Post #3
You are a fair old way but if I can't find anyone closer ill have to make a road trip as long as you can get it done in a day or put me up for a night. I want all curved pipes send me an idea of price by pm. also might aswell get the throttle body relocated to after the charger while I'm at it________________________________________ Team SUPERCHARGED I LIVE FOR THE 306 Old Project thread Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url = |
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Posted 2nd May 2016 at 16:07
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prism7guy
Seasoned Pro  Location: DoncastAAAAARGH Registered: 13 Jan 2008 Posts: 4,640 Status: Offline |
Post #4
I'm no expert but from my experience, having the throttle downstream of the 'charger will mean you'll need a meaty blow off valve to clear all that air, a cheap ebay 25mm one won't cut the mustard.You'll also need to go for one with a weak spring (mine is 2psi), or once again you'll potentially damage the charger. I've got a Tial Q on mine, clears the boost fine, but not that cheap! If you do go for the tial, it'll need the flange welding onto the boost pipework somewhere between the 'charger and throttle body, so it might be worth ordering that before having the welding done so that can be done at the same time as the rest of the pipework is being welded. The flange that comes with the tial is suited to 2.5" pipework although it could be altered to suit whatever size. You'll also need to connect the vacuum hose for the valve somewhere between the throttle body and engine, the tial uses something like 6 or 7mm bore hose, so fairly decent size, another thing to consider if you don't have any spare fittings to use as the vacuum take off from the manifold. ________________________________________ Goldie the track car. |
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Posted 2nd May 2016 at 17:05
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manthos
Seasoned Pro Location: Norwich Registered: 29 Apr 2009 Posts: 1,966 Status: Offline |
Post #5
Cheers mate. do you have any photos of your instalation? ________________________________________ Team SUPERCHARGED I LIVE FOR THE 306 Old Project thread Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url = |
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Posted 2nd May 2016 at 17:31
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prism7guy
Seasoned Pro Location: DoncastAAAAARGH Registered: 13 Jan 2008 Posts: 4,640 Status: Offline |
Post #6
Post #628 on my project threadclicky I'm not on a Rotrex setup like you, but everything i said applies afaik. I'm guessing you'll need a remap too if you change the throttle body setup. You'll also probably ditch the ICV and rely on keeping the throttle body open a touch to give you idle. Funny how a simple job suddenly turns into big money isnt it?!?!   ________________________________________ Goldie the track car. |
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Posted 2nd May 2016 at 17:50
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daveyboy
aka Jim Davey Location: Southampton Registered: 01 Oct 2007 Posts: 8,648 Status: Offline |
Post #7
This doesn't sound like a drive in drive out job, have you considered getting in touch with Rich W to see what he reccomends and also who he gets his gear welded up by.________________________________________ 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 May 2016 at 18:02
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manthos
Seasoned Pro Location: Norwich Registered: 29 Apr 2009 Posts: 1,966 Status: Offline |
Post #8
I will do that. I have nothing bad to say about Rich W he is a top bloke and has done a lot for this club and makes some fantastic parts for the Gti6 but the pipework on these setups is terrible it is so so restrictive for a supercharger it really needs to be curved bends________________________________________ Team SUPERCHARGED I LIVE FOR THE 306 Old Project thread Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url = |
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Posted 2nd May 2016 at 18:24
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manthos
Seasoned Pro Location: Norwich Registered: 29 Apr 2009 Posts: 1,966 Status: Offline |
Post #9
Has anybody used the wire reinforced sam co hoses? do they colapse? shouldn't do________________________________________ Team SUPERCHARGED I LIVE FOR THE 306 Old Project thread Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url = |
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Posted 2nd May 2016 at 18:34
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stef306
Regular  Location: lyme regis Registered: 20 Sep 2009 Posts: 201 Status: Offline |
Post #10
hoses only collapse due to the way the rotrex kit is designed body infront of charger ________________________________________ 1990 205 gti6 supercharged |
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Posted 2nd May 2016 at 18:44
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manthos
Seasoned Pro Location: Norwich Registered: 29 Apr 2009 Posts: 1,966 Status: Offline |
Post #11
so with body after charger you could use reinforced sam co for the bends and they wouldn't colapse? bringing the pipe work price down a lot________________________________________ Team SUPERCHARGED I LIVE FOR THE 306 Old Project thread Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url = |
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Posted 2nd May 2016 at 18:49
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prism7guy
Seasoned Pro Location: DoncastAAAAARGH Registered: 13 Jan 2008 Posts: 4,640 Status: Offline |
Post #12
Assuming the throttle body is on the manifold, there should never be any vacuum in the hoses between the 'charger and the throttle body, so it shouldnt collapse.________________________________________ Goldie the track car. |
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Posted 2nd May 2016 at 19:24
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cully
Seasoned Pro  Location: Cullompton Registered: 12 Jun 2013 Posts: 1,093 Status: Offline |
Post #13
body is pre charger just after the air-filter so lots of vacuum  theoretically there sound be a positive pressure as the charger is always driven untill the body shuts |
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Posted 2nd May 2016 at 19:45
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prism7guy
Seasoned Pro Location: DoncastAAAAARGH Registered: 13 Jan 2008 Posts: 4,640 Status: Offline |
Post #14
Sorry, I was assuming he still wanted to fit the throttle body after the charger to go for the blow off valve route, should have specified. ________________________________________ Goldie the track car. |
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Posted 2nd May 2016 at 19:59
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armzsc6
Seasoned Pro  Location: Crowborough Registered: 22 Mar 2008 Posts: 3,445 Status: Offline |
Post #15
Of your replacing the right angles with curves why does it need welding? Just get all the correct angles of boost pipes and use silicone joiners and micalor clamps. As long as the hard pipes are butted up to one another inside the silicone joiners nothing can collapse under vacuum anyway. ________________________________________ Black power baby! SUUUUUPERCHARGED Seat Leon FR TDI 190BHP 300lbft daily gti-6 killer :p 12x 306's owned so far Cambelts, clutches, service work carried out on All makes and models, Peugeot Citroen / mitsubishi specialist. Pug planet / Citroen Lexia diagnostics / code reads available. |
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Posted 2nd May 2016 at 20:12
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manthos
Seasoned Pro Location: Norwich Registered: 29 Apr 2009 Posts: 1,966 Status: Offline |
Post #16
I do want to install it after however there is currently vacuum as it'd before________________________________________ Team SUPERCHARGED I LIVE FOR THE 306 Old Project thread Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url = |
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Posted 2nd May 2016 at 21:15
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manthos
Seasoned Pro Location: Norwich Registered: 29 Apr 2009 Posts: 1,966 Status: Offline |
Post #17
What is the diameter of the pipework anyway? ________________________________________ Team SUPERCHARGED I LIVE FOR THE 306 Old Project thread Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url = |
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Posted 2nd May 2016 at 21:17
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6waysforward
Seasoned Pro  Location: Benfleet essex Registered: 30 Oct 2005 Posts: 3,168 Status: Offline |
Post #18
Think its 2" on low boost. High boost is 2.5".Rich was talking about doing a tb after charger conversion kit not so long ago iirc. ________________________________________ ***Breaking*** Ph3 Silver GTI 6 High Boost |
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Posted 2nd May 2016 at 22:15
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manthos
Seasoned Pro Location: Norwich Registered: 29 Apr 2009 Posts: 1,966 Status: Offline |
Post #19
ok 2" I would imagine then________________________________________ Team SUPERCHARGED I LIVE FOR THE 306 Old Project thread Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url = |
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Posted 2nd May 2016 at 22:54
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rich_w
Seasoned Pro  Location: Havant, Hampshire Registered: 29 Jul 2004 Posts: 5,412 Status: Offline |
Post #20
manthos wrote: Does anyone on here do or know anyone good who makes boost pipes I would like to re do all the boost pipes on the charger to nice curved ones to get more boost You won't get any more boost - waste of money. The low boost uses a 38mm restrictor on the charger inlet to limit boost to 8-9 PSI. Where do you think the restriction is - in the 38mm restrictor or 51/63mm boost pipes?  ________________________________________ Contact Details:rich@lynxpowerengineering.co.uk 07732 822546 |
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Posted 3rd May 2016 at 07:06
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armzsc6
Seasoned Pro Location: Crowborough Registered: 22 Mar 2008 Posts: 3,445 Status: Offline |
Post #21
rich_w wrote: manthos wrote: Does anyone on here do or know anyone good who makes boost pipes I would like to re do all the boost pipes on the charger to nice curved ones to get more boost You won't get any more boost - waste of money. The low boost uses a 38mm restrictor on the charger inlet to limit boost to 8-9 PSI. Where do you think the restriction is - in the 38mm restrictor or 51/63mm boost pipes? Was thinking this. File out the restrictor to get more boost. But then it would need mapping or the AFR will be to lean and you'll melt something. And from rat boys adverts I think he stated it has the high boost cooler and pipework anyway. So 2.5" pipes and larger cooler. ________________________________________ Black power baby! SUUUUUPERCHARGED Seat Leon FR TDI 190BHP 300lbft daily gti-6 killer :p 12x 306's owned so far Cambelts, clutches, service work carried out on All makes and models, Peugeot Citroen / mitsubishi specialist. Pug planet / Citroen Lexia diagnostics / code reads available. |
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Posted 3rd May 2016 at 19:18
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rich_w
Seasoned Pro Location: Havant, Hampshire Registered: 29 Jul 2004 Posts: 5,412 Status: Offline |
Post #22
That's right, the easiest way to more power is to enlarge the restrictor. But it WILL need mapping by Wayne Schofield again.Someone should go for a medium boost, and see if the engine will do 300 bhp on standard internals  ________________________________________ Contact Details:rich@lynxpowerengineering.co.uk 07732 822546 |
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Posted 3rd May 2016 at 07:58
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manthos
Seasoned Pro Location: Norwich Registered: 29 Apr 2009 Posts: 1,966 Status: Offline |
Post #23
I thought the pipe before the inlet manifold would have been the worst one? as I said Rich I have nothing but good things to say about you its nothing against you and I am far less knowledgable than you in this subject so if as you've said the LB o's restricted anyway then I stand corrected.________________________________________ Team SUPERCHARGED I LIVE FOR THE 306 Old Project thread Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url = |
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Posted 3rd May 2016 at 08:08
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manthos
Seasoned Pro Location: Norwich Registered: 29 Apr 2009 Posts: 1,966 Status: Offline |
Post #24
Also I would be up for trying the medium boost. 300 bhp with a LSD would be more than enough I think. I am going to install a LSD anyway, and when i do I need to buy another one of your flywheels ________________________________________ Team SUPERCHARGED I LIVE FOR THE 306 Old Project thread Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url = |
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Posted 3rd May 2016 at 08:22
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daveyboy
aka Jim Davey Location: Southampton Registered: 01 Oct 2007 Posts: 8,648 Status: Offline |
Post #25
rich_w wrote: That's right, the easiest way to more power is to enlarge the restrictor. But it WILL need mapping by Wayne Schofield again. Someone should go for a medium boost, and see if the engine will do 300 bhp on standard internals I've been thinking this for years, do a sensible power version for people who want to drive it hard but not have to worry about transmission failure as a regular occurrence. (260 bhp is plenty in a light track car anyway, but 300 could be more fun if it can be made to last well) PS I know the engines hang together fine its everything else. ________________________________________ 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 3rd May 2016 at 17:02
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