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  1. #31
    MODIFY EVERYTHING MiataQuest's Avatar
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    Quote Originally Posted by MX5Wisher View Post
    Bump.

    How is the EcoTec? It is September....
    It is running behind schedule. They have been doing a lot of R&D racing.
    It should be completed in October.

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  3. #32
    Supporting Member DarylSibcy's Avatar
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    Quote Originally Posted by MiataQuest View Post
    All comments are welcome.
    That what makes a build thread interesting.
    At the same time, alternative comments and ideas give me some things to think about and possibly make improvements.
    ==================
    What do you think of this Beatrush Aluminum Underpanel?



    Goodwin Racing says 6~8 weeks for shipping from Japan.
    http://www.good-win-racing.com/Mazda...t/61-0047.html
    Maybe I should get one on order?
    I ordered one a couple of years back from Rev9, I chose the NA6 option for the obvious reason of owning an NA6 chassis. For the younger models the panel is split in half and attaches at two separate points. Whilst the first panel lined up beautifully where the old undertray would go to protect the engine, the panel that attaches to the front subframe didn't line up at all regardless of where I tried to put it. It was just too short...

    I need to botch that at some point to make it fit properly, the NA8 one piece Panel might fit perfectly all over, the two I got doesn't.... .02c shared hahah
    You want a good car. I want a good miata.

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  5. #33
    MODIFY EVERYTHING MiataQuest's Avatar
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    Quote Originally Posted by DarylSibcy View Post
    I ordered one a couple of years back from Rev9, I chose the NA6 option for the obvious reason of owning an NA6 chassis. For the younger models the panel is split in half and attaches at two separate points. Whilst the first panel lined up beautifully where the old undertray would go to protect the engine, the panel that attaches to the front subframe didn't line up at all regardless of where I tried to put it. It was just too short...

    I need to botch that at some point to make it fit properly, the NA8 one piece Panel might fit perfectly all over, the two I got doesn't.... .02c shared hahah
    So if I understand you correctly, your NA6 under-panel came as two pieces, not one piece like the picture.
    You think the NA8 panel is one piece?

    I will want to get the car back first to check how the Ecotec fitment is and do more research before I make the purchase.

    Thanks for your input.

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  7. #34
    3,000 rpm - starting to feel the power MX5Wisher's Avatar
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    Oooh, we must be getting close??

  8. #35
    MODIFY EVERYTHING MiataQuest's Avatar
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    Quote Originally Posted by MX5Wisher View Post
    Oooh, we must be getting close??
    They keep pushing out the date. I am a bit disappointed.
    I am trying to work with them since my end goal is to have everything done right.
    I will reserve my reviews to the finished product & workmanship.
    I am hoping the engine conversion will be completed in the next few weeks.

    If Toronto gets snow and they drop salt on the road, I may need to figure out how to get an enclosed trailer when it is completed. We are in that small window where any snow could just melt when it hits the roads and when it can stick. Heck, today it will be 65 degrees F (18C) with a chance for strong thunderstorms! The trees seem to be a week or two behind schedule for dropping all their leaves.
    I will be watching the weather closely over the next few weeks from Detroit on up the 401 Queens highway to Toronto.

    When it is completed I can give a preliminary overview, but I won't be driving the car in any salt to provide a good road review. Plus I want to break-in the new engine for 1500 miles then install an oil cooler before pushing it.
    Last edited by MiataQuest; 11-05-2017 at 09:28 AM.

  9. #36
    MODIFY EVERYTHING MiataQuest's Avatar
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    The waiting game



    A few updates….
    Here is the Cadillac CTS gas pedal mounted to the pedal cluster.



    The stronger 3.9 Torsen rear end has been installed to replace the 4.3 viscous rear end. This 3.9 rear end ratio should place the 2.4 Ecotec engine with 5 speed transmission gearing in the sweet spot between performance and the ability to cruise effortlessly during high speed highway cruising. Hopefully the performance exhaust will have no drone with all the tone.



    One of my biggest goals was to have an uncluttered engine bay that allowed easy service even with air conditioning and power steering. So far it looks promising. Note that the Ecotec 2.4 has the intake & exhaust on opposite sides from the Miata 1.6 engine. I like that because the brake master cylinder will now be on the cooler side of the engine.



    I hope the conversion is completed before it has a birthday!
    Last edited by MiataQuest; 11-14-2017 at 08:52 AM.

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  11. #37
    MODIFY EVERYTHING MiataQuest's Avatar
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    The Manticore is back in the Queue



    Latest update...

    Last week I spoke with Matt @ EcotecMiata.
    He says they are catching up from supporting the racing season and should be able to complete my Ecotec conversion.
    Besides, they need the floor space.

    So it's being queued-up into their work schedule.
    They will be sending me more pictures as they progress.

    I am re-energized about the build and getting ready for lift-off.
    Last edited by MiataQuest; 12-05-2017 at 04:35 PM.

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  13. #38
    Ninja Messiah kung fu jesus's Avatar
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    EcotecMiata starting all their correspondence emails like this?



    ;)

    Good to hear it is still moving forward.

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  15. #39
    Admin / Pit Boss / Miataholic Phatmiata's Avatar
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    will this be a stock version 2.4 EcoTech swap or Turbo'd? If its anything like the Mazda 2.3L it will have lots of low end torque!

    Also looks like its brand new in that photo, is that a crate engine?

  16. #40
    MODIFY EVERYTHING MiataQuest's Avatar
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    Quote Originally Posted by Phatmiata View Post
    will this be a stock version 2.4 EcoTech swap or Turbo'd? If its anything like the Mazda 2.3L it will have lots of low end torque!

    Also looks like its brand new in that photo, is that a crate engine?
    Yes, it is a brand new GM crate motor.
    My plan is not to have a turbo. I am looking for simplicity/reliability while increasing performance close to the limits of the Miata drivetrain.
    It will have a header, performance exhaust, and dyno tune.

    I have rented a lot of N/A Ecotec powered cars for business trips over the years.
    I was very impressed with the power/torque curve across the entire RPM range while still being a high revving engine. I believe it will really compliment the character of the Miata chassis.

    I hope it can "do it all" with the 3.9 Torsen rear end and 5 speed.
    * High speed, long distance highway cruising while using air conditioning.
    * High speed!
    * Keep it revved through the twisties for the ultimate Miata experience
    * Autocross
    * Occasional track day, pass a BRZ, keep up with better Miata drivers.

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  18. #41
    MODIFY EVERYTHING MiataQuest's Avatar
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    I feel like a young kid at Christmas time!

    Today I got an update from Matt over at EcotecMiata.
    The engine may be fired up tomorrow!
    The completion date should be soon after that!
    I am so excited

    Now this is a sleigh ride!

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  20. #42
    MODIFY EVERYTHING MiataQuest's Avatar
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    The engine had it's initial start-up! Then the low mileage used transmission that I provided to them had a leak in the case halves. I had them split & re-seal the transmission. That was recently completed. It should now just about be ready for the dyno-tune. The preliminary schedule now is for completion sometime in early March depending on the weather.

    Some other notes:
    Ecotecmiata now offers an improved 4140 steel flywheel adapter with the latest kits.

    Ecotecmiata is also working on a new kit that will utilize the Solstice AR5 transmission with the Miata PPF. This is good for higher horsepower applications such as running a Solstice GXP or Saturn Sky Redline turbo engine. A simple tune and exhaust nets over 300 horsepower. Also the turbo engine has a different flywheel bolt pattern. Going with the AR5 transmission allows for the original flywheel and clutch assembly to be used without any adapters.
    Last edited by MiataQuest; 02-28-2018 at 12:48 PM.

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  22. #43
    MODIFY EVERYTHING MiataQuest's Avatar
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    WoW

    The Ecotecmiata LE5 2.4 Ecotec engine conversion is now complete. Matt will give the car a second inspection to make sure everything is OK for a trip from Toronto to Detroit. If OK I may be able to pick it up later this week.

    Here is a video of the initial tune on the NEW engine. It sounds like it is running very crisp throughout the RPM range.
    Last edited by MiataQuest; 03-13-2018 at 04:26 PM.

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  24. #44
    5,000 rpm - there be torque here! Greasemonkey2000's Avatar
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    Awesome! So Manticore will still have functional a.c.?
    '01 NB2 aka MisF1re: http://mazdaroadster.net/showthread....218#post207218
    '97 M aka Warbird, gone but not forgotten: http://mazdaroadster.net/showthread....B&goto=newpost
    Instagram: @greasemonkey2000

  25. #45
    Admin / Pit Boss / Miataholic Phatmiata's Avatar
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    awesome that was not bad of a turnaround either!!!

    cant wait to hear/see some in car footage

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