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Thread: S54 Head & Cam Package Build + Dyno Results

              
   
  1. #76
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    I love NA E46 builds, keep us updated on the teardown and next dyno run.
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    Click here to enlarge Originally Posted by bigjae1976 Click here to enlarge
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    I think $10k is so worth it for track use. I'm seeing more and more E46 M3s on the track these days. To spend an extra 700 RPMS in gear with 4.10 gears? That's HUGE! When you look at the long term effects of FI and heat this really starts sounding like a good bang for the buck mod for performance and reliability. I take an FI'd car to the track and it is a MASSIVE PIA. Just little complications that really add up. I'd gladly pay 2x as much as n FI kit to get the same power out of my car NA...if it were possible.

    When the FI guy spends 1/2 as much and their engine needs a rebuild...a $10k NA head starts looking like a bargain.

    For street only use? Yeah, wouldn't go this route.

    Kudos to Stosh1 and great work!



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    Thank you sir!

    Click here to enlarge Originally Posted by ZooyorQ Click here to enlarge
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    You think boring the throttle bodies would really help any? Considering the E36 had what.. like a 63mm single throttle body and the E46 M3 has ITB's.. each around 50+mm (both guesses off the top of my head).. seems expensive for little to no gains. Now if you could bore/smooth the shape of the ITB's if they look turbulent.. maybe get a few horses out of it.. but still likely very expensive.
    If we go the bored ITB route, I'll just have my local guy do them for me, won't be nearly as expensive as Dinan's or VAC's. I've seen little to no dyno-proven gains of adding these, so again, just like the head/cam package...we'll be able to see if this stuff really works. And trust me, if we go so far as to bore them, we'll certainly optimize anything else that can be done to enhance flow; however, there is only so much material in the first place so you can't really go crazy in terms of shaping.

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    Click here to enlarge Originally Posted by PEI330Ci Click here to enlarge
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    It's pretty easy to figure out if you need more runner volume. Just calculate air volume through the existing ITB bore, and look at the velocity.
    Calculations are fine, but sometimes numbers on a piece of paper don't always translate to real world...we'll perform due dilingence before we turn a wrench though.

    Click here to enlarge Originally Posted by DBFIU Click here to enlarge
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    I love NA E46 builds, keep us updated on the teardown and next dyno run.
    Thanx, me too & will do!

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    I'd love an s54 swap in an e36 m3 making the power posted on the other page.
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  6. #80
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    Click here to enlarge Originally Posted by ZooyorQ Click here to enlarge
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    You think boring the throttle bodies would really help any? Considering the E36 had what.. like a 63mm single throttle body and the E46 M3 has ITB's.. each around 50+mm (both guesses off the top of my head).. seems expensive for little to no gains. Now if you could bore/smooth the shape of the ITB's if they look turbulent.. maybe get a few horses out of it.. but still likely very expensive.
    I don't boring out the throttle bodies should really be that high of cost. It's a minimal area to gain though but definitely worth exploring if searching for every last horse.

  7. #81
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    Click here to enlarge Originally Posted by stosh1 Click here to enlarge
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    If we go the bored ITB route, I'll just have my local guy do them for me, won't be nearly as expensive as Dinan's or VAC's.
    Yep, there you go.

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    Hey guys, don't want to leave ya'll hanging, but I probably won't be updating this thread for a while as we'll be starting the new 'build' pretty soon! I'll come back w/detailed documentation of most of the build...some stuff I'm going to keep to myself though. After a lengthy discussion(s) w/some folks, I really think close to 400+HP might be possible w/o going to a stroker motor, but we'll just have to wait & see...Click here to enlargeClick here to enlarge

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    Are you keeping vanos or not? Are you going with larger valves or OE size?

  10. #84
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    Click here to enlarge Originally Posted by stosh1 Click here to enlarge
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    Hey guys, don't want to leave ya'll hanging, but I probably won't be updating this thread for a while as we'll be starting the new 'build' pretty soon! I'll come back w/detailed documentation of most of the build...some stuff I'm going to keep to myself though. After a lengthy discussion(s) w/some folks, I really think close to 400+HP might be possible w/o going to a stroker motor, but we'll just have to wait & see...Click here to enlargeClick here to enlarge
    What are you planning on doing?

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    Click here to enlarge Originally Posted by MisterEm Click here to enlarge
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    Are you keeping vanos or not? Are you going with larger valves or OE size?
    Most definitely retaining VANOS, it's still a street car Mike. As far as valve sizes, that's TBD...Click here to enlarge

    Click here to enlarge Originally Posted by Sticky Click here to enlarge
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    What are you planning on doing?
    Just applying some more old fashioned hot rodding stuff...

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    Click here to enlarge Originally Posted by stosh1 Click here to enlarge
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    Most definitely retaining VANOS, it's still a street car Mike. As far as valve sizes, that's TBD...Click here to enlarge
    Supertech +1mm Iconel valves...DO IT!!!!!!!!

    Click here to enlarge Originally Posted by stosh1 Click here to enlarge
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    Just applying some more old fashioned hot rodding stuff...
    NAWWWWZZZZZ and a big blower coming out of hood? Click here to enlarge
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    I am going with supertech's inconel valves...but they are OE size. Are +1mm valves doable (at least on the exhaust side?) with OE pistons or stock bottom end?

    I may be calling you again!

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    Click here to enlarge Originally Posted by MisterEm Click here to enlarge
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    I am going with supertech's inconel valves...but they are OE size. Are +1mm valves doable (at least on the exhaust side?) with OE pistons or stock bottom end?
    I never heard back from my friend in Greece, but for some reason I have a hunch it is. The OE CSL has larger valves, I can't recall how much larger though...
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    Click here to enlarge Originally Posted by stosh1 Click here to enlarge
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    Just applying some more old fashioned hot rodding stuff...
    Tell me!!!

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
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    Tell me!!!
    More airflow + more compression=win!Click here to enlargeClick here to enlarge

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    Click here to enlarge Originally Posted by stosh1 Click here to enlarge
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    More airflow + more compression=win!Click here to enlargeClick here to enlarge
    Click here to enlarge
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    Stan (stosh1), I'm enjoying your NA build posts.

    Folks modify because they want to, because it's fun (for the most part, ha ha), because they have a certain result they're looking for. I'm always annoyed by posters who question the so-called hp per dollar; a common characteristic of those who preach FI as the be-all end-all power solution. There is no such thing as a cost-justified modification. Especially for a BMW M3!

    I love to read about both NA and FI projects, there is so much that can be done with the S54 that is nestled into a fantastic looking car body that rides on a pretty decent frame and suspension.
    Thanks for the pics and updates.
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    Stosh - maybe answered already and I just missed it, but who did the porting on the head and did you do the build yourself or are you working with a shop? I know a guy in Asia that wants to do basically your same build, but obviously doesn't have access to the US shops to do it for him.

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    Click here to enlarge Originally Posted by normcaldwell Click here to enlarge
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    Stan (stosh1), I'm enjoying your NA build posts.

    Folks modify because they want to, because it's fun (for the most part, ha ha), because they have a certain result they're looking for. I'm always annoyed by posters who question the so-called hp per dollar; a common characteristic of those who preach FI as the be-all end-all power solution. There is no such thing as a cost-justified modification. Especially for a BMW M3!

    I love to read about both NA and FI projects, there is so much that can be done with the S54 that is nestled into a fantastic looking car body that rides on a pretty decent frame and suspension.
    Thanks for the pics and updates.
    Thanx Norm, that's the right attitiude! Sorry, I don't get over here as often as I would like, but definitely enjoying the thread content over here so far! What's right for one person isn't necessarily right for everyone.


    Click here to enlarge Originally Posted by Quandarium Click here to enlarge
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    Stosh - maybe answered already and I just missed it, but who did the porting on the head and did you do the build yourself or are you working with a shop? I know a guy in Asia that wants to do basically your same build, but obviously doesn't have access to the US shops to do it for him.
    Yes, I'm working w/a local shop, and all of the install work was performed there by us...myself included. They are friends of mine.

    The head was ported by us and assembled by a local machine shop if that helps you any??? However, we're going to a STG II head that will be ported by a proffesional head porter that mostly builds Porsche cup cars, and by STG II...I mean fully ported w/oversize valves likely. If you want me to set something up w/your friend, I'd be more than willing, pricing will be more reasonable than current offerings!

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    2 out of 2 members liked this post. Reputation: Yes | No
    Just signed up here after acquiring myself a 2006 M3, bone stock, a quality engine that sound immense at 8K, i can only imagine what this masterpiece sounds like at 8.5! incredible engineering and i believe goes hand in hand with the original ethos of Ms vision of this engine.
    Incredible work, look forward to more updates and maybe some soundclips?? hint hint.

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    Click here to enlarge Originally Posted by scottyboy Click here to enlarge
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    Just signed up here after acquiring myself a 2006 M3, bone stock, a quality engine that sound immense at 8K, i can only imagine what this masterpiece sounds like at 8.5! incredible engineering and i believe goes hand in hand with the original ethos of Ms vision of this engine.
    Incredible work, look forward to more updates and maybe some soundclips?? hint hint.
    Click here to enlarge

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    Would love to see what's going on with the car now! This is a sweet build. The S54 is such an awesome engine.
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    Click here to enlarge Originally Posted by THATDONFC Click here to enlarge
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    Would love to see what's going on with the car now! This is a sweet build. The S54 is such an awesome engine.
    Thanx! We dyno'd w/o CAT's a while ago and made a few more HP (graph below) w/the current combination, but plans are now under way for the next step, stay tuned...400HP NA???

    Click here to enlarge

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    Click here to enlarge Originally Posted by stosh1 Click here to enlarge
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    Thanx! We dyno'd w/o CAT's a while ago and made a few more HP (graph below) w/the current combination, but plans are now under way for the next step, stay tuned...400HP NA???

    http://www.bimmerboost.com/images/im...mag0784m-1.jpg
    What does the next step entail?

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
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    What does the next step entail?
    Probably more compression, more port work, & maybe different cams & exhaust???

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