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01-14-2012, 01:22 PM | #45 |
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http://www.vacmotorsports.com/catalo...r-440ccmin.htm
Here is a reasonably priced solution for injectors, total price $317.70 Throw a walbro 255 in the mix for under $100 and you should have more than enough fuel for a stage 1 kit. Now onto the tuning issue. There is ProEFI, AEM, and I am also going to talk to Active Autowerke and some of the other S54 tuning companies and see what they think about tuning the DME for a turbo kit. If it can be done for a supercharger I dont see why it cant be tuned for a turbo kit.
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01-14-2012, 02:14 PM | #46 | |
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Just for the record, the contribution of the quoted text is just one idea: it will be too expensive.
You could have said just that and maybe add a reason to why you think it will be too expensive, or why the gentlemans post is uninformed. Now your post is regarded as an immature flame post that do not contain any real form of argument to back up your statement . Especially after the committed people in this thread have completed their researchand kit is available, boy you will look like those people who thought the earth was flat and the internetz will hate you. As for me personally, i already think that you shouldnt post unless you provide credible arguments as to why this community shouldnt go forth. Count me as interested party for this project. For a reliable 5k turbo heck i will take a loan and buy it now. Ill throw in a 500$ for the person who managed to pull this as a production right. Quote:
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01-14-2012, 07:15 PM | #49 | |
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01-14-2012, 09:44 PM | #50 | ||
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01-14-2012, 10:58 PM | #51 |
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01-15-2012, 09:26 AM | #52 |
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Hi guys I am from south africa. I just had my Z4m turbo by Sav speed. His done a sick job on it. On low boost 1bar we run pump fuel we have 750hp. But I have a problem and need a little advice! Ecu is giving us so much problems. Car is running beautiful. But when I drop a gear say 4th to 3rd and accelerate. It splutters almost feels like its flooding!!!! We can't seem to get it right. We using gotech management system.
http://www.youtube.com/watch?v=Qf6LvSRzS8M&feature=youtube_gdata_player As far as $5000 for a kit. Wow that's cheap. I paid with the exchange rate $20000 that excludes brakes and kw suspension. |
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01-15-2012, 11:48 AM | #53 | |
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You did just expound on my statements, not debunk them or clarify why "so much lack of knowledge", as you put it. In the big picture, I think your main point is the same as all of us have emphasized.....The final tuning and by whom? No need to get defensive about an area even you are not yet in control with. Its all being sorted out. But the parts/pieces choices are always just personal choices and must connect in a leak free fashion. I've been doing my own turbo builds since the late 70's, I get it. I've pushed OEM turbos beyond their limits and paid thousands for spec units as well. I've even built with Inconel for race applications. Most guys aren't going to build their own stainless exhaust manifold from scratch like you or I do.....engineer the correct fire order pulse into it etc. They aren't going to have access to lathes,CNC's,Tig and Arc. Or even have the desire to build an intake out of flow dynamic software and then fab it with CNC and tube cuts. The difference in your service and someone wanting to build a kit is clear. One of you wants to make jigs from a great single design and one does not. It certainly doesn't mean yours is overpriced, just built one at a time with a hefty bottom-line with artistic proud welds. We all know a production weld will suffer some cosmetically but still last . That's manufacturing reality. You'll still get your one-off deep pocket customers and they'll always love the outcome and delays. Thats a given. The guys wanting a budget kit don't want the one-off associated costs or delays.....they just want the feel of higher ,reliable performance. Different customer needs, that is all. Being held hostage due to tuning has always been the lump to hurdle. But always do-able. Looking forward to progress......it's getting a later start off ! |
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01-17-2012, 03:20 PM | #55 | |
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I bought a set of twin turbo's off a 2008 335i . Mainly to see about space constraints and fitment for tube routing. Since my Miller welder was stolen during my late nights of packing...I'll have to source out some fab initially to get the ball rolling. I already have the other bits to support the hardware eg; Tial wastegate and Blow-off valves....aluminum and stainless tubing and t-bolt clamps etc. Even a nicely sized bar & plate Inter-cooler. If I can't find a tuner to handle the factory DME.....I'll have to do an external boost and fuel management. Either way....once a low boost configuration gets worked out.....I'll fab my stainless manifolds and go with nicer turbos or maybe a ball bearing single. Surely I'll have located a S.I. N52 salvage engine to put forged internals in on the bench to go bigger boost. |
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01-17-2012, 03:40 PM | #56 | |
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Given your past experience, I'd expect you can get the N2 to work. I've always wondered why BMW didn't use it as the base for the 335 instead of the N54, which is an older design. Cast iron block? Better able to handle boost? Just a curiosity. Then again ESS did come out with an S/C kit for the N52, so FI isn't unknown to this engine. |
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01-17-2012, 03:46 PM | #57 | |
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01-17-2012, 04:03 PM | #58 | |
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This little piggy went to market. This little piggy stayed home. This little piggy had roast beef. This little piggy had none. And Mfanatic's little piggy went wee wee wee I'm kickin' out the boost all the way home! |
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01-17-2012, 04:16 PM | #59 | |
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Regarding the alloy block of the N52.....I've wondered too if this was ever a REAL concern for BMW's engineer's ? I've found nothing online about it. I seriously don't think it's a viable LARGE boost choice though...as in above 15lbs. Even built. The block might be able to if it was girdled though. Do you know if it was the N52 b30 or the earlier version that ESS SC'd ? |
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01-17-2012, 04:22 PM | #60 |
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I do have a Wolf 3-d stand alone I could try. But I was saving that for the Rb26dett engine.
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01-17-2012, 04:44 PM | #61 |
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Callin' me fat (a piggy) eh ron? Them are fightin' werdz. LoL jk. Gotta love bacon though xD
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01-17-2012, 05:42 PM | #62 | ||
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Yep, those little piggies work pretty well. Lots of guys using them on the N54 platform. Though this would be more complex I can see it working, and that little piggy would sure add some kick! Dark Schnitzer, I stand corrected. ESS has an S/C for the M54, not the M52. Sorry about that! |
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01-20-2012, 09:34 PM | #64 |
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01-26-2012, 04:24 AM | #65 |
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With any FI application, I am "interested."
But I'm not dropping $5k+ unless: 1) The "kit" already exists, install has been documented (not a bunch of one off/custom) 2) It comes with a proven tune For less than 5K, you could source/create your own kit anyways and still but SOL without finding some way to tune it.
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01-26-2012, 09:37 AM | #66 | |
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That is if your speaking of going above a stage one (Stage 1=factory injectors and no IC). I personally wouldn't even think of boosting my lawn mower without a n inter-cooler and uprated injectors. |
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