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From Boost to Reliable. M62b44 Swap!

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  • Zacm829
    replied
    Cam Specs were copied from Cat Cams. Riot racing did the regrind using standard measurements compared to metric on cat cams but the profiles are the same.

    Stock m60 cams were reground to BMW M60 SPORT CAM : 214/210 DUR @.050" .381"/.370" LOBE LIFT

    To get the same profile as cat cams. I attached their profiles.

    The car was running decent on the reground cams before the Dyno tune. At that time I was running was Sssquid m62 obd1 stage 1 chip. It had some studering and lean issues at partial throttle but was drivable. Dynoed around 286hp/277wtq.

    It most definitely feels better than my m62 obd1 after the tune. Runs much smoother and happier now as well.

    Cams were around $1k to get reground.

    cat cams by Zachary Murray, on Flickr
    Last edited by Zacm829; 04-11-2020, 04:36 PM.

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  • JGood
    replied
    What are the cam specs, and what did they charge you to regrind? How much power did it make before they started the custom tune, and what chip was in it at that point? Was the stock tune okay with those cams, or was it way off?

    I can't imagine my m60b44 is making more than 280whp, which is what another member of bf.c dyno'd his m60b44 at. ~25-30whp gain seems reasonable for headers, mild cams, and a tune. Makes it harder to justify a ~330whp s62!

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  • Zacm829
    replied
    M60b44 Dyno

    https://youtu.be/HSMNJ5Hr5v0

    Leave a comment:


  • Zacm829
    replied
    m60b44 hit the dyno this week. I'll post video and results when I finish editing tomorrow!

    2020-04-09_03-16-24 by Zachary Murray, on Flickr

    Leave a comment:


  • The Dark Side of Will
    replied
    wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub wub

    Leave a comment:


  • mutty
    replied
    Those headers look awesome.

    Leave a comment:


  • Zacm829
    replied
    First start video. Youtube embeding not working :(

    https://youtu.be/_R_qslrJmvA

    Leave a comment:


  • Zacm829
    replied
    Dropped the new engine in the car last month. Had some trouble getting the clutch to bleed but eventually figured it out! First start video attached. With the new cams this thing at idle has a nice lope to it. The engine pulls great and is definitely stronger than my once healthy m62. Still breaking in the clutch, but I should be past 500 miles before my dyno tuning session. Hopefully the virus wont affect the dyno time. Should be posting results next month!

    20200207_052132 by Zachary Murray, on Flickr

    20200221_165225 by Zachary Murray, on Flickr

    20200223_180359 by Zachary Murray, on Flickr

    20200228_130300 by Zachary Murray, on Flickr

    20200319_181813 by Zachary Murray, on Flickr
    Last edited by Zacm829; 03-26-2020, 10:00 PM.

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  • Zacm829
    replied
    Started bolting more parts on the m60b44. Headers from Bulgaria, Lightweight flywheel, Riot racing reground cams. Had Matt build me another oil pan to clear the sub frame and also installed a South Bend Clutch Stage 2 endurance clutch pack.

    20191202_151843 by Zachary Murray, on Flickr

    20191202_163747 by Zachary Murray, on Flickr

    20191202_163738 by Zachary Murray, on Flickr

    20200106_113835 by Zachary Murray, on Flickr

    20200106_133258 by Zachary Murray, on Flickr

    20200108_172624 by Zachary Murray, on Flickr

    20200108_180512 by Zachary Murray, on Flickr

    20200130_150802 by Zachary Murray, on Flickr



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  • Zacm829
    replied
    Originally posted by JGood View Post
    Holy shit hahaha. Seems like the oil pan and starter might have been salvageable, had you not gone for the rev limiter with a broken connecting rod. Although it was pretty funny hearing the "whoops", like it was an accident that you restarted it and floored it lol
    Yeah the oil pan was toast from me driving to the off ramp after the rod went. The stater was salvagable but the more carnage makes for a better coffee table! Plus who isn't going to redline an engine with a hole in the block?

    Leave a comment:


  • agent
    replied
    Whoops!

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  • wworm
    replied
    lmao. glad youre not devastated! I'm surprised so much stuff broke lol

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  • JGood
    replied
    Holy shit hahaha. Seems like the oil pan and starter might have been salvageable, had you not gone for the rev limiter with a broken connecting rod. Although it was pretty funny hearing the "whoops", like it was an accident that you restarted it and floored it lol

    Leave a comment:


  • Zacm829
    replied
    We after 3 years of running the swap hard (multiple trackdays/tail of the dragon visits/burnout competitions) the engine developed a knock. I lived with the knock and just kept beating on it for over a year, until finally on the way to the Dragon she let go at 4k rpms. Made for a spectacular smokescreen on the interstate. Plan is to pull the blown engine and swap over some parts to the new M60b44(reground cams/custom headers/ltw flywheel) I've been working on. Updates to follow, for now here are some pictures of the carnage, removal and new engine.

    A video after it threw the rod, engine still ran kind of...

    https://youtu.be/cTcJuHM41lg


    R3v by Zachary Murray, on Flickr
    R3v by Zachary Murray, on Flickr
    R3v by Zachary Murray, on Flickr
    Upload by Zachary Murray, on Flickr
    R3v by Zachary Murray, on Flickr
    R3v by Zachary Murray, on Flickr
    R3v by Zachary Murray, on Flickr
    R3v by Zachary Murray, on Flickr
    R3v by Zachary Murray, on Flickr
    R3v by Zachary Murray, on Flickr
    R3v by Zachary Murray, on Flickr
    R3v by Zachary Murray, on Flickr
    Last edited by Zacm829; 11-24-2019, 05:32 PM.

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  • jpod999
    replied
    Hah- good point dude

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