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09-03-2012, 12:37 PM | #23 | |
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You may have been working on BMW's for a while, but you're a relative newbie on this forum. "If you did not know..." BMRLVR (to put it mildly) has quite a bit of first-hand mass scale engine experience.
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09-03-2012, 12:52 PM | #24 | ||||
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Our engine shop was a diesel shop before VAC came into play, then they built BMW engines for VAC. Eventually VAC bought them and took the machine work 100% BMW.
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Sales Representative, VAC Motorsports Office: 215.462.4666 | Fax: 215.462.4667 EXT 13 | Email: brian@vacmotorsports.com Last edited by Brian_VACsales; 09-03-2012 at 01:00 PM.. |
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09-03-2012, 12:58 PM | #25 | |
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In my first reply I said "We have the resources to offer any S65 solution" Is that not clear?
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09-03-2012, 01:09 PM | #26 | |
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BMR may not have had a problem with your post, but as mentioned in mine, I DID.
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09-03-2012, 02:56 PM | #28 |
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Fair enough Mike!
One final question: Do you have someone able to tune the S65 for the Schrick cams, or is this engine going to be outsourced? Thanks again and I will be in touch! |
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09-03-2012, 03:40 PM | #29 | |
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Great thread as always Mike! There's always a pack of information and something to be learned!
I can't wait to see the continuous progress of this motor! Quote:
What I want to see is a 4.4L S65 with aggressive cams and headwork properly tuned on the MSS65 DME. ... with stepped-long tube headers for auditory sake, haha.
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09-03-2012, 04:22 PM | #31 | |
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We will be tuning it with Pectel. Our engine dyno is disassembled and in a trailer (lol) so we need to bring to our partners facility.
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09-03-2012, 06:09 PM | #32 |
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Really like this thread, learning quite a bit. Didn't VAC cover sleeved engines in detail in a different forum? I think I saw a sleeved S65 and the walls between the cylinders were super thin (before the sleeves). The workmanship seemed to be top notch. Not an expert on this stuff.
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09-03-2012, 07:33 PM | #33 | |
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I guess one more question, do you guys have the ability, or have an affiliate with the ability to tune the S65 for added displacement and/or cams? If you don't I would be glad to have ESS tune the engine for me. They IMO have been the most successful in writing software for the S65 using the MSS60 while retaining full functionality of all the factory safety features that the DME is capable of. For me an OEM like package is important for my car since it is going to be a mainly street driven car and not just a track toy! You and me both!!!!
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09-03-2012, 07:59 PM | #34 | |
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Sure is! It's amazing to see what gains are possible with a powerful solution.
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09-04-2012, 12:56 AM | #35 |
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Could someone explain how RD-Sport got to 4.6L for their stroker?
I don't know anything about engines but was wondering how much extra work would be needed to use a flat plane crank to get that Ferrari type sound? .
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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09-04-2012, 02:29 AM | #36 |
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Subscribed!!
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09-04-2012, 09:10 AM | #37 | |
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A flat plane crank would require new cams, completely new software and lots of R&D to make it work properly for a street driven car.. |
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09-04-2012, 01:44 PM | #39 | |
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I figured RD bored it, but from the discussion here, it seems that it's a big deal to bore this engine. .
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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09-04-2012, 02:07 PM | #40 |
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Wow, what a build. Thanks for the info.
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09-05-2012, 11:51 AM | #41 |
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09-05-2012, 06:08 PM | #42 |
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I was witness to that beating....
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09-07-2012, 08:41 PM | #44 | |
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Personally I am a fan of using the stock engine management system, but a finely tuned standalone (although a lot more work) will do the trick. Experience with tuning the factory vanos profiles seems to be hit or miss. But I can tell you first hand that the MSS6x DME + Cams, with a properly amended vanos profile can make some serious power. I worked on an E60 M5 that had Schrick cams and it went from 420 baseline to 464whp with some dyno tuning and particular vanos changes to account for the different camshafts. It's also very important that whoever installs the camshafts does it properly, I have seen too many cars with the cam timing off due to improper installation. VAC is certainly on top of things, and I'm excited to see this build progress. I used to live pretty close to VAC (this was 7 years ago though) and have been there a few times. My roomate in college, Steve Small, used to work there (around the time that the owner passed away), and I have always enjoyed vising the shop and seeing all of the serious eye candy there. Keep up the good work!
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