David's NATOR AL speed6 build

Discussion in 'Mazdaspeed 6 Build Diaries' started by Thrasher1992, Nov 27, 2017.

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  1. Thrasher1992

    Thrasher1992 Greenie N00B Member

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    So, first off, if you're reading this, welcome! Just want you to know that this may ramble a bit- This is going to be more for me to look back on than anything, I've really just got to get my thoughts out on paper, digital paper that is, and see where everything is going.

    Back story: I purchased my speed6 from an auction for $1,800 bucks a few years back and had no clue what I was getting in to. It needed a clutch right of the bat, and thankfully the transmission shop I took it to didn't know anything about it either, and quoted me about 900 bucks, which they honored after realizing all they actually had to do, and I was content. A friend of mine that was a former speed owner connected me to the local NATOR guys (In Alabama) and the rest is history. Bought intake test pipe and tune and I was happy for a while. Fast forward a year or so and I started having mystery oil consumption which was real bummer, but the quart a month or so it went through wasn't a huge problem. Oil started disappearing faster, and it wasn't the k04, so I knew what was going to happen. Started picking up a lot more knock on logs, so into the garage it went, and thus started the build plan in my head.

    The first real commitment to the build I made was purchasing a speed6 that was totaled out in a front in collision, but motor still ran, transmission shifted, and everything was solid- except the bumper and hood. I sold the motor and meant to keep the transmission, PTO, and rear diff as spares because speed6, but a friend grenaded his transmission, so that was sold to him for a pretty good deal on his end... But I digress. The parts 6 has since shared its various internals with many a car. Brakes, fuel system, and ECU/other computer shipped off for science, a few knick knacks sold here and there, but, what made this purchase worth it for me was that it came with upgraded diff mounts, a CPE long catted DP, aaaand DSS rear axles in excellent shape.

    This all happened about a year ago, but it wasn't until a few months ago that the real parts came flowing in, but before that I needed to decide what the crap I actually wanted from this thing.
    First things first, I had to take care of some adult things that needed to be paid for before I could commit 10 grand to this build... but I did not want to cut corners, its just not worth it. Ive seen and read wayyy to many people forcing a build and cutting corners, its just no good in the long run.
    So, what do I want? After numerous talks with some of the higher HP built speed6s running around, it seems like things really start breaking quickly above 500 WHP, so my goal is 499WHP. I know, crazy, but we will see. Having Jason Gambill being a local helps in the motivation, but I've also helped with some terrible turbo swaps that id rather not have to deal with, so top mount it is- at this point it will be a SpeedSolutions built setup. Chris is awesome and is always willing to help with things, and seems to be OK with it even though he isn't building my motor- unless we royally screw up, which is always possible. But anyways.
    What turbo you ask? This was the tough one. Obviously theres the big PTE builds, or BW s3whatevers... but I also happen to live 20 minutes from BNRs shop, and they make a universal T3/T4 turbo with up to a 58LB compressor wheel, which should get me really close to 500 WHP, so thats what I plan on going with. Brian is a great guy, and id always rather support local than somewhere else.

    Oh, also, the big downside to top mount is that I already had a pretty pricy DP and a big ole intake... but those will sell quickly on the forums- or if anyone in the GA/KY/TN area want them, I'm a nice guy.

    Intake shenanigans- Chris should be able to fab up a 3.5 intake to match the compressor housing of the BNR T3/T4, so thats easy. FMIC obviously, and id like to mirror Nick Sweeny's magic of going straight over the motor and cutting up the bumper, because I need a little bit of Just Aint Care. Ive already got the Damond ST manifold kit and spacer for PI- with ill probably go with ID750s with a SS controller. Also, Chris from Speed Solutions is I believe making a one piece pipe to go from IC to the ST TB location... which would make life super easy.

    Manley pistons and con rods- 88mm, which will be bored out at a machine shop in Huntsville AL.

    Speed Solutions bearing caps for the PTO, and already have rear diff mounts.

    Transmission is up in the air. Do I they and get a gen 2 gear set in there? While its open do brass shift fork pads? Do I buy into the front LSD possibility? who knows. Its all just money right?

    Also undecided is head work, again, its just money right? I do have CS cams and Crower springs with cobalt retainers, so thats a good start right?

    Crank will be keyed and polished and all that jazz, then we will figure out bearings and whatnot. Most likely stock studs, but thats a TBD as well.

    We as in NATOR AL, are going to try to do as much of this as we can, it can't be too crazy can it? We've completely taken a few apart so putting together should be a piece of cake? if only. we will see.

    Anyways, thats about all I can think of right now, but I'm sure this will get edited shortly... if Shane sees this, feel free to tell me what I forgot.

    Also, there may or may not be videos along the way... should be fun.

    David
     
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  2. Thrasher1992

    Thrasher1992 Greenie N00B Member

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    Well, first bit of an update. My initial goal going top mount has been redirected by both Jason and Bryan, so I will be getting an S5 as soon as Bryan says they are good to go.

    Problem with the S5- EWG on the bottom (ATP style) of hot side is really a no go with the 6 because of the PTO, PTO cooler, and PTO cooler lines. No, I haven't specialty measured or anything, but I am preemptively avoiding that problem by getting an exhaust manifold with a EWG post- specifically a CPE stock location stock flange manifold.

    Yes, there is a chance that the S5 could have been used as designed, with the EWG coming of the bottom of the turbo, but id rather not risk coolant lines going into the PTO.

    Im sourcing the manifold from a guy in NY, forget his name but he seems like a nice person.

    One good thing to note- the EWG spot on the s5 hot side is 44mm, same as the EWG post on the CPE manifold, which means, the EWG block off that comes with the manifold will match the turbo! wooo! Ive already gotten the go ahead from Bryan to block off the turbo.

    I have also paypal'd someone for a Trial 44mm EWG, which will hopefully be here end of the week.

    Also, Kozmic makes a dump tube that specifically fits the CPE manifold, so thats one less thing to have to have to fabricate.



    Other decisions: This go around I am not doing a franken6 transmission, no one around me has the equipment to press stuff out and whatnot, and I'm already learning enough as it is... I can do it next go around. The same goes for head work most likely, but thats still up in the air.

    David
     
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  3. SharksInSpace

    SharksInSpace Planets and shit. Silver Member

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    In for results. I'm curious what that S5 will do once it hits market.
     
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  4. KiwiFlavor

    KiwiFlavor Silver Member

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    Same here!
     
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  5. Thrasher1992

    Thrasher1992 Greenie N00B Member

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    Wastegate has arrived and the dump tube should be here this week. Motor, head, oil pan, timing cover, and girdle are at the machine shop for cleaning and all the other things, block will be bored out to 88mm.

    I am pretty sure I'm sending the head to Chris Collins at Speed Solutions for porting and stuff... If I'm going to max out a stock flange turbo, I need to do what I can to get all the powers.. but I may need to keep the shop from touching the head then, and just let Chris handle it all.

    David
     
  6. KiwiFlavor

    KiwiFlavor Silver Member

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    Do you know how much he charges for head work?
     
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  7. Thrasher1992

    Thrasher1992 Greenie N00B Member

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    Yes, he's told me a grand gets everything done that he can do.
     
  8. KiwiFlavor

    KiwiFlavor Silver Member

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    I see. Is that including new valves, valve springs etc etc?
     
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  9. Thrasher1992

    Thrasher1992 Greenie N00B Member

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    Oh no lol I wish, thats just for bowl work, intake runners, exhaust gasket matching and stuff, its just labor.
     
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  10. KiwiFlavor

    KiwiFlavor Silver Member

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    Ah gotcha!
     
  11. AYOUSTIN

    AYOUSTIN Silver Member

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    Two things I would change. 1: Don't bother keying the crank if your goal is only 500, the friction washers can hold 500whp all day every day as long as the factory service manual procedure is followed, plus you'll save a good chunk of change. 2: Get some proper head studs, those stock screw will be sketchy at 500whp.

    Looks like a fun build, Shane and Jason are good dudes.

    Oh, and also be careful with that dump tube. Had the same tube on my old car, cracked at the flange and the entire pipe fell off, actually lit some of the firewall insulation on fire. That coupled with more than a handful of other instances of fail from Kozmic hasn't made me a very big fan of them or their products.
     
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