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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Fri Nov 25, 2011 7:07 pm 
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Location: Brisbane, Australia
Nah, won't paint the whole car gold. I'm a bit undecided as to what colour i'd like it, but I'm not gonna worry about that until a later date once this motor is up and running.

In other news, I just picked up my manifold so I can start doing all the wiring. :)

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Fri Dec 09, 2011 8:03 am 
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Location: Brisbane, Australia
Almost there...

http://img.photobucket.com/albums/v511/ill-minded/Cars/Mira%20v2/DSC_4545.jpg

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Sat Dec 10, 2011 7:32 am 
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Burbled to life today. Much excitement was had. Still needs a whole bunch of work, but at least I know it runs. :)

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Fri Jan 06, 2012 7:36 am 
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Getting closer to being able to drive around again. Still needs a few little odds and ends sorted out and I should have a wideband soon to be able to tune it. It also still needs an exhaust as it's currently running straight out of the manifold. I'll be re-using the standard exhaust initially and joining it to the manifold so I can at least drive it around and tune it a bit until I can get a full stainless setup made for it.

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Mon Jan 09, 2012 4:07 am 
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Joined: Mon Nov 28, 2011 6:29 pm
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Location: Melbourne, Australia
haha i want to see some videos of this driving around :D

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Wed Jan 11, 2012 8:02 pm 
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Location: Brisbane, Australia
I just want to be able to drive it around again. Got some issues with laptop connection to the Megasquirt, so I can't do anything until that's fixed. There will inevitably be success videos once I've got said issues sorted and a better tune. The induction noise is awesome and quite loud.

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Sat Jan 14, 2012 10:19 pm 
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OK, so I've sorted out the loss of connection issue, which was traced back to two out of three coilpacks being fried, so I replaced them this afternoon and all is sweet again. Runs on three cylinders again and holy crap does it hoot. Once I sort out reassembling the interior and bolting everything back down again, I'll go about making a video.

I never quite imagined how much of a difference an extra 150cc, one extra camshaft, two extra throttles and an EFI setup would make to this, but it really is a remarkable upgrade in power.

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Thu Jan 19, 2012 2:20 am 
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Joined: Mon Nov 28, 2011 6:29 pm
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Location: Melbourne, Australia
awesome, sounds weird though hearing "so now it runs on 3 cyl again" :mrgreen:

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88' R31 Race Car RB30ET || 86' HR31 Passage GT VH41DE
85' H252 President Y44E || 85' H252 President Y44E
85' Pulsar ET - E15ET
75' 260Z 2+2 Y40 || 73' 260z 2 seater


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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Sat Jan 21, 2012 7:32 am 
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Location: Brisbane, Australia
I plan to use it as my excuse if someone ever comments that it sounds shit. :P

"Mate, your car sounds shit."
"Nah, it's just running on three cylinders at the moment."

Also, pulling the motor back out to replace the gearbox input shaft seal, the rear main seal, re-seal the sump, rebuild the head, new timing belt and install a new clutch. More money spent now, but hopefully will save me a little bit in the long run.

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Sun Jan 22, 2012 5:15 am 
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Location: Brisbane, Australia
Click me.

Hopefully this is the last time it comes back out for a while.

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Wed Feb 01, 2012 5:21 am 
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Still waiting to get the motor back from the machinist, but decided we might as well pull the pistons out, hone the block and put a fresh set of piston rings in while the motor is apart. Had a bit of a mix up with the wrong clutch being ordered in, so that'll set things back a little. Flywheel has been machined though, so everything is pretty much ready to reassemble once the motor and clutch come back in.

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Fri Feb 10, 2012 4:46 am 
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Location: Brisbane, Australia
She lives!

Image

Need to sort out some better cooling though, as it gets a little toasty while sitting in traffic. Other than that, it starts and runs well and sounds about as mean as a three cylinder car ever would. Still lots of little things to fix or upgrade, but at least it's running again. :)

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Sun Feb 12, 2012 3:35 am 
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Joined: Mon Nov 28, 2011 6:29 pm
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Location: Melbourne, Australia
ok i wanna hear the intake noise now :mrgreen:

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88' R31 Race Car RB30ET || 86' HR31 Passage GT VH41DE
85' H252 President Y44E || 85' H252 President Y44E
85' Pulsar ET - E15ET
75' 260Z 2+2 Y40 || 73' 260z 2 seater


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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Sun Feb 12, 2012 4:56 am 
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Location: Brisbane, Australia
I'll see what I can conjure up tomorrow. ;)

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Sun Feb 12, 2012 9:04 pm 
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Location: Brisbane, Australia
http://youtu.be/7YBvZXTp8fE

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Fri Apr 06, 2012 6:44 am 
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Location: Brisbane, Australia
Little bit of an update.

Not too much has changed other than fixing a few little niggly issues and doing some more tuning. I've probably done about 1500km on it and it's still going well. Still a whole bunch of things that need attention at some point, but it's nothing crippling, so once funds permit, I'll go about sorting all that jazz out. I've ordered some new struts for the front end cause the current suspension setup is wearing thin.

http://www.youtube.com/watch?v=JWZtNjmZi7I

In other news, the old shell has been stripped and dragged away finally, so while it's good to finally have it gone, it doesn't seem to have remedied the amount of crap in the garage. I've got the rear swingarms set aside for some modifying to effectively reset the suspension geometry and eliminate the issues with it bottoming out on larger bumps.

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Wed May 23, 2012 7:04 am 

Joined: Sun Jan 01, 2012 1:49 pm
Posts: 8
Location: the Netherlands
Briliant piece of Mira! I've been following this thread for a while and since I'm looking for a cheap runaround instead of my Nissan and this makes it easier to choose :)
You did you the engine swap, I take it from the L700 series? How easy was the swap itself, like fitment, mods etc?

Prefer the look of the L200 instead of the later models but your twin cam does sounds sweet.
Also compliments on the wheel choice. Did you consider Mini wheels? I know its a completely different PCD but besides that, probably a lot more choice when it comes to wheels; 10", 12" and 13" But maybe not as easy to come by as it is over here.
Hope to see more of this little beasty.


- Marc


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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Fri May 25, 2012 5:59 am 
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Joined: Thu Jun 10, 2010 1:47 am
Posts: 296
Location: Brisbane, Australia
Thanks. :)

The motor actually came from an M100 Sirion/Storia, but they're the same as the L700 Miras. There are two types of twincam heads for the 1 litre EJ motors, which are mostly the same other than one having variable cam timing. Mine is one of the earlier ones that doesn't have this feature. The swap itself was pretty straightforward. Mechanically, the EJ block is almost identical to the old ED, so it uses factory mounts, factory gearbox/drivetrain, the alternator plugs straight into the factory wiring loom. The only real concern is wiring and getting the fuel rail modified for a return line and pressure regulator. If you get a fuel injected L200, you get the benefit of not having to modify the tank to get a fuel pump installed. If you want to use the standard gearbox, you'll need to ditch the flywheel/clutch that comes with the EJ and use the old flywheel/clutch setup. I'd suggest that in doing so, to get a heavy duty pressure plate, as the stock one will likely slip. I think that's most of the main issues though. Pretty easy, really.

We seem to have an over-abundance of L200 Miras over here compared to the L80 or later L500 and L700, so I like having something that's a little different to the norm, haha. It happens that 10" wheels aren't too hard to come by (in Japan, at least) thanks to a few early Honda kei-cars being 110PCD as well, like the N360, Z360 and step vans. I've actually got another set of wheels on their way over from Japan at the moment. ;)

While I'm here, not too much to update, other than I finally got around to replacing my makeshift oil catch can made from a transmission fluid bottle with a proper unit. I've also got a new(er) pair of short stroke struts for the front of the car so I can finally be rid of my very sketchy cut springs as well as getting ready to modify my spare set of rear swingarms to fix the suspension in the rear as well.

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Fri May 25, 2012 6:10 am 
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Joined: Thu Jun 10, 2010 1:47 am
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Location: Brisbane, Australia
Oh, and here's some pictures that were taken last month at a local car meet.

Image
Image
Image
Image

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 Post subject: Re: 1986 Daihatsu L70/L80 Mira/Handi
PostPosted: Sat Jun 02, 2012 6:11 am 
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Image

Keen eyes may spot the subtle difference here.

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