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06-06-2017, 11:03 PM | #111 | |
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As Marty has said, the fabricator is slow and thorough when he has the time. Others have found out how difficult timely fabrication is in Sydney. And expensive. The solution is comprehensive and no engineering shortcuts have been taken. If you can chuck some second hand cheap OEMs at your car the ST will be worth the wait. Combined with Marty's latest N54 incremental mods, manifold and monster IC....the Full Monty will be a good thing.
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06-06-2017, 11:22 PM | #112 |
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It's not about wanting about a bottom mount. Rather, its about what is possible with the ridiculous, small space available to RHD cars. JD75 and Advan started ST projects 5 years ago but gave up due to cost and time.
There are many reasons why I ended up with bottom mount solution. Heat is away from sensitive areas, room to allow for an external waste-gate turbo and decent dump pipe, plus stealth fitment keeps it away from prying, piggy eyes.
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06-07-2017, 12:16 AM | #113 | |
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Is the fabricator making several parts for the kit at once? or will they be mass produced later? |
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06-07-2017, 07:04 AM | #114 | |
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06-07-2017, 08:52 AM | #115 |
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its preferred but doesnt really matter in my case as i am not aiming for huge power so no huge turbo needed
price is a main determining factor though... i am at a stage where i might just get another set of stock twins, inlets and outlets and call it a day... no one local will be able to support me in tuning or fabricating so if something doesnt fit even with a hammer, im SOL and stuck with something thats useless from what i see...i should be around 500 rwhp if i only run on 93 pump with stage 2 twins or ST.... but tuning ST is another issue in itself so i dont know if i will be opening a can of worms... |
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06-07-2017, 07:27 PM | #116 | |
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06-07-2017, 08:19 PM | #117 | ||
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06-07-2017, 09:38 PM | #118 |
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No just rapid increase in rattle initially. But now they get stuck open for a second or so unpredictability when trying to exit a corner. First time it happened i was lucky to catch the sideways action when they closed! For normal daily driving they are functional and have some noise like everyone else.
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06-08-2017, 01:24 AM | #119 |
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If price is a determining factor for you, this RHD single turbo is not for you. There is over 10k of parts in this kit to date. It will fit 135, 1M and 335 because there are no shortcuts. And its made for those who want street-able to stupid power. Of course the final figure is limited by engine, trans and turbo size.
Top mount or bottom mount is not a choice for RHD in any way at this point. No LHD top mount kit will fit RHD cars. Nor will any bottom mount kit from any LHD country fit. Making life even harder is that there is no well made and engineered kit available for RHD. Hence this one. If you want value, buy twins of some sort. If you want twins that wont break in a hurry you need NOZ ball bearing turbos from JD75. Game changer with response, power and longevity. The GCs, actually Zage turbos, are journal bearing and will still suffer from reliability issues despite making some good power. And fitting them to RHD is a bitch as Greg has discovered with his car. How long they last is luck and how far you are pushing them....just like any other journal bearing turbo offer. RBs make power, so do Pure, VTTs and others...but they all are designed to a price.
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135i - RHD Bottom Mount Single Turbo - GTX3584RS Last edited by 135i2; 06-08-2017 at 01:32 AM.. |
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06-08-2017, 01:28 AM | #120 |
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That's a question you will have to direct to JD75 at this stage.
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06-08-2017, 01:40 AM | #121 |
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There are no rhd bottom mount kits, this build thread doesn't represent a readily available kit at the time of writing this post so saying bottom mount v top mount is not a choice is a bit of stretch when practically all of us going ST RHD are beating our own path and making compromises that best suit our needs.
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06-08-2017, 02:10 AM | #122 | |
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There's a guy in Perth IIRC running one and I know there's two or three guys running them in the UK and another in South Africa. |
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06-08-2017, 04:28 AM | #124 | |
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06-08-2017, 06:01 AM | #125 | |
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When you get pulled over and royally f%#ked in the ass by the boys in blue you will wish you had a proper kit, they are going to take one look at that engine bay and send you off for emission testing, good luck passing that. |
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06-08-2017, 07:25 AM | #126 | |
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If the VM kit needs fabrication its not a commercially available RHD ST kit. Its adapted and requires plenty of dump pipe fabrication. And 7k AUD on the road with all bits and bobs I think not. Dream on. Shoot us an image of the dump if you will. If its the UK one I'm thinking of, its not too good with compromises I wouldn't make. Given the state of play in NSW and several other states, the VM and any other top mount will never go on my car for that reason alone. But your cars, your choice.
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135i - RHD Bottom Mount Single Turbo - GTX3584RS Last edited by 135i2; 06-08-2017 at 08:26 AM.. |
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06-08-2017, 07:41 AM | #127 | |
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As alluded to above, no stretch just fact. There are no commercially available RHD ST kits right now. This project is the closest to commercial availability (I know about) should JD decide to replicate it for others. You're just stating the bleeding obvious, Sherlock, sheesh. This thread represents my build, my choices and compromises. Make what you like of the reasoning and feel free to start your own learned thread through your build or keep it secret squirrel like most Oz ST builds. I have shared mine at the risk of comment from keyboard experts and haters. What I do know is this kit, which is on the verge of running and driving, will fit with a simple cut back to a standard exhaust. All of the fabrication, fitment and engineering has been done. As I keep saying, JD75 will determine if this build will be commercially available and readily available or not. In the mean time, I will enjoy the uncompromising work by our fabricator, regardless of whether JD brings this kit to market or not. Best of luck with your path.
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135i - RHD Bottom Mount Single Turbo - GTX3584RS Last edited by 135i2; 06-08-2017 at 11:15 AM.. |
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06-08-2017, 08:49 AM | #128 | |
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https://www.youtube.com/watch?v=CrDV-54kogo Not ideal but doesn't look that bad. |
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06-08-2017, 10:18 AM | #129 |
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G'day Nugget.
Seen that and rejected. Far from acceptable. Too close to steering shaft and chassis rails. An internal gated turbo option...no thanks.
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135i - RHD Bottom Mount Single Turbo - GTX3584RS Last edited by 135i2; 06-08-2017 at 06:46 PM.. |
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06-08-2017, 11:17 AM | #130 |
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RHD top or bottom mount really need an engine mount relocation to provide the acceptable space needed for decent sized dumps and waste-gates.
My project has not been about compromise where it can be avoided, or attempting a low cost build for the masses. The brief has been to build the best we can with the space in the platform we have and with the best parts we can find. People would be foolish to think manifolds (top or bottom), turbos and material options have not been considered, researched and trialled through this project. All parties involved have direct knowledge and involvement with three other top mount single turbo manifolds and builds. These were abandoned for good reason and the experience and effort has been transferred into my build. There has been no blinding rush. Just do what needs to be done, the right way. We have a great kit and the basis for two other manifold options. These might prove to offer a higher hp figure because we have squeezed in the largest turbo that will fit down below and they could offer different characteristics and top end over the Motiv. One of them is a full custom tubular manifold. Right now I am happy to stick with the Motiv as it should offer some great low end torque and the closest to an OEM stealth look. That's important to me. Other smaller turbos will obviously fit but we have not shoved those on to assess implications with the dump and waste-gate. If you are a gonna do or wanna do, have talked to a bloke in the pub about his ST build, PM'd a forum member about his ST build and have no first hand experience...please start your own thread and bang on about it elsewhere. I am too old and have no time or room here for you to spread your moot and petty diatribe. Conversely, we will share with those who are genuinely interested, fact and first hand experience. The car and work are here to see in Sydney for the serious and curious among you. Those involved have plenty of knowledge, experience and insight and are willing to share it. Take it or leave it. Keep you posted as we plod across the line.
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06-08-2017, 12:53 PM | #131 | ||
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oops i missed your reply sorry, anyways thanks, i sort of came to the same conclusion after reading the whole build thread again but i just asked for curiosity's sake at least you guys have fabricators that are capable of such tasks... Quote:
worst case i stick a set of stock twins or live without boost until the kit goes commercial upgrade inlets/outlets + stock twins + bits + labor is ~6.5k AUD for reference anyhow...car is mainly used for spirited drives... i will try to get it to a trackday but a 2 hour drive and another 2 hours back + 2-3k AUD in fees is a bit too expensive in my current situation Last edited by azndevil; 06-08-2017 at 01:00 PM.. |
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