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Eunos Roadster 1.3L

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#41 Bop

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Posted 15 April 2016 - 07:24 PM

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#42 Jacksheps

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Posted 15 April 2016 - 07:34 PM

Looks great dude
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#43 kingkong

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Posted 16 April 2016 - 07:09 AM

Good job man keep on going

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#44 Bop

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Posted 24 July 2016 - 08:39 PM

Made some more progress, might type something about it eventually but here are two pics:

 

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#45 Law!

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Posted 25 July 2016 - 12:11 PM

Cool build. Will follow :D


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#46 ThunderFox

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Posted 26 July 2016 - 12:43 PM

Huh, curious. Just noticed that is half a set of AE101 throttle bodies.


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#47 Bop

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Posted 29 July 2016 - 02:42 PM

Three quarters to be precise ;)


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#48 Bop

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Posted 29 January 2017 - 08:52 PM

Allright, long time no see but had some issues with the car and life in general that kept me from being overly active on here. I also spent most of October in Japan where I had a few interesting chats re Miata's which gave me enough motivation to continue with my project. Short summary of the issues I ran into for who it may interest:

 

1) Wired up the engine as per Mazda and Megasquirt schematics, quadruple-checked everything then proceeded to set everything up in tunerstudio only to find out I wasn't getting any CAM/CAS input and no TPS.

2) Fried my coils because the wiring order on the Mazda schematic didn't correspond to the wiring order at the actual plug and I was now sending 12v into the 5v trigger input.

3) Bought new coils, changed the wiring and tried again. Also checked the CAS and TPS wiring again but couldn't find anything wrong with that so left that for a later time. Still no spark.

4) In a moment of sudden clarity I decided to check the actual TPS, turns out the unit I got with my throttlebodies had thoroughly shat itself so had to order a new one from the States.

5) With the TPS now working I focussed on the CAS. Was seeing signal when I scoped the wires but got nothing at the ECU. Someone I know builds Megasquirts so I decided to take the CAS-sensor, coils and ECU out of the engine and test them on his workbench to see if we could get it working. End result: turns out the coil-pinout in the Mazda schematic is viewing the plug from the back instead of the front. Swapped the wires over et voilà, we had spark. CAS was also working, my best guess is now that the signal is suffering from so much interference whilst in the car that it can't make out the engine rotations from noise. I've bought shielded wire to sort this issue.

 

So there you have it, long story short: It seems like I'm finally going to be able to start the car in the next week or so :o Fingers crossed.

 

I also bought a MK2.5 in the meantime to get my roadster fix since my MK1 is still of the road. Was planning on keeping it stock but as it always happens, some goodies are already en route from Japan to make it a bit less stock XD

 

I'll take some pictures next time which should make things a bit more interesting :P


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#49 Bop

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Posted 29 May 2020 - 10:56 AM

Wow it has been a long, long time since my last post :blink: :blink: 

 

Good news is I still have the car, and it is better than ever! Bad news is, it has been in bits again since driving it a lot in 2017 and 18 as I wanted to get it painted (and redo the wiring) but I bought a house in 2018 which fucked up the planning. O well haha. Here are some pics from when it was initially together, and from how it stands atm.

 

Interior back together:

 

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Bought and fitted a new bucket seat. The Cobra Suzuka fits pretty well in our small car, is tall enough for a big dutchman like myself and not overly narrow (size 34 waist and can fit okay).

 

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I bought these gauges from RevLimitier before I took the car apart the first time but realised I never showed them off properly

 

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Tach extended to 9k rpm for good measure B)

 

Also made a radio delete plate and fitted my STACK Oil temp and wideband 02 sensor. Also installed a Tomei Duracon shiftknob that I got from Japan when I was there.

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Speaking of Japan...

 

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They have hands down the most and best driving roads.. "in the world"


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#50 Bop

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Posted 29 May 2020 - 11:04 AM

This is what the enginebay looked like right before I took the car apart. The intake is a custom made stainless one with 3x 47mm individual throttle bodies with 75mm stack enclosed in an ITG air filter. The exhaust is a modified Racing Beat stainless manifold into a full stainless 2,5" exhaust system with Magnaflow mufflers, which flow really well whilst giving off a deep and not at all raspy sound.

 

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Also got a new garage around that time, the other one was a proper shed that saw temperatures below 0°C during the winter and was humid as hell most of the rest of the year. As y'all know, moisture and Miata's don't really go along well so my car was a lot crustier after I took it out of the shed than it was when it went in :( :(

 

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So that rust needed addressing, as well as that the car desperately needed a respray.. more to come!


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#51 Bop

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Posted 29 May 2020 - 11:42 AM

First, I fixed all of the (surface) rust I could fix myself. Then I had the sills done by THE go-to guy in The Netherlands, that has probably fixed over 500 miata's of various degrees of rust. Then I fully stripped and prepped the car (which takes a very long time I have discovered) and then had the car professionally resprayed in Mazda A3D Pure White.

 

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Also testfitted the new wheels. These are Work Equip 03's in 15x8 et10.

 

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#52 atlex

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Posted 29 May 2020 - 01:37 PM

Looking Epic :)


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#53 toge

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Posted 29 May 2020 - 05:03 PM

Amazing, I so want to do this conversion!


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#54 tr!x

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Posted 30 May 2020 - 03:50 PM

Love 😍😍
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#55 Bop

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Posted 30 June 2020 - 01:10 PM

Right, made some more progress. Most of the exterior is back together, engine is in:

 

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Then I started to redo the wiring loom for the engine. As with everything on this build I tried to push myself to make it as good as I could, and I'm very pleased with the result!

 

Laid out the wires along a template I made from rope

 

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Then made everything to length, put heatshrink on it and terminated everything.

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I made the entire loom incl fuse and relay box standalone from the Mazda wiring loom, these 2 connectors are the only things connecting it to the rest of the car (they feed gauges etc.)

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Then I installed the loom and intake manifold (with some prototype velocity stacks)

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Current state:

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#56 boosted

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Posted 30 June 2020 - 05:20 PM

Subscribed!!
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