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Thread: Upgrading Camshafts on MZR L engine (non DISI)

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    Default Re: Upgrading Camshafts on MZR L engine (non DISI)

    Looking forward to an update

  2. The Following User Says Thank You to jeff7670 For This Useful Post:

    shift8 (03-04-2019)

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    Default Re: Upgrading Camshafts on MZR L engine (non DISI)

    Quote Originally Posted by jeff7670 View Post
    Looking forward to an update
    Probably swap cams in April (on summer rubber by then)
    and dial suspension and tune back to track setting before
    logging new data with stage 1.5 Cams...then retune ECU
    and then do a dyno.

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    Default Re: Upgrading Camshafts on MZR L engine (non DISI)

    Installed Cams Yesterday... cost a bit more than expected, Install was 7 hrs
    but included replacing a few seals and other tweaks. Extra Time was to double check clearances and
    calibration / timing chain and so that buckets & new shims are spot on. No buckets replaced.. wear and tear
    at 220K was not noticeable only shims added. 500-1000Km break in (at grandma speeds under 3K for max
    effective break in).

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    Default Re: Upgrading Camshafts on MZR L engine (non DISI)

    How does the exhaust sound? What is your torque curve going to look like?

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    Default Re: Upgrading Camshafts on MZR L engine (non DISI)

    Quote Originally Posted by jeff7670 View Post
    How does the exhaust sound? What is your torque curve going to look like?
    It will go on a dynojet once i build a cold airbox with velocity stack intake and once I have it tuned. Right now i am on Factory ecu settings.
    Must have stalled about 30 times already...idle has to be moved up to 950-1K. As cams are broken in becoming easier to idle at 650-700.
    Alot has changed to the hp/torque curve. Launch/Clutch engagement is above 1500-1800... below that car bucks. Having a lighter flywheel helps below 2K.
    3000 to redline opens up delivers it all. It revs up faster. The sound is awesome. The Cams have changed the exhaust note. Its actually clearer and more distinctive.
    I dont think it sounds like anything already out there. I'll record something this week and post here. But once new tune is installed i bet it will change a bit a gain...
    I would love to hear the MSDS Headers on the Borla ..

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