Mira Classic Turbo Update '07

Soldato
Joined
22 Aug 2004
Posts
7,607
Allo everyone, I still lurk about don't post as much as I used too. Just thought everyone (some of you) might like to see some pics of some upgrades I've been doing in the last week. Might be helpful to someone if they are thinking of doing similar upgrades and wonder whats involved.

First job was to strip out the air con, I've never used it and the gas has completely leaked out over the years. So I thought I'd save a tiny bit of weight and save some space.

noair.jpg


On the left under the turbo was the air con pump and on the right infront of the rad was the big aircon rad. You can still see the silver piping at the back of the engine that also had to come out.

aircon1.jpg


The big air con rad.

aircon2.jpg


The Denso air con pump.

Next up I had to gain access to the condensor unit in interior heating unit. Also came in handy for the next two mods.

bits.jpg


The now empty box and the condenser shown on the right. No idea what it all weighs as I have no scales. Gonna sort something out though :)

Next up was the fitting of the Apexi EL Boost gauge and the HKS Turbo Timer Type-1.

I already had the proper HKS Daihatsu ignition harness so that just plugged into the ignition barrel and timer. I then removed the ash tray and ash tray bracket to fit the turbo timer. Two wires had to run to the ecu which is mounted upside down behind the glove box. One wire to monitor RPM and the other for vehicle speed. Another wire ran to dash for a ground and a fourth ran to the switch on the handbrake.

Access to some of the wiring. (Silver box on floor is for electric power steering I think, not the ECU). Completed wiring was tidied up with cable ties and electrical tape, also keep an eye out for where wires can rub against things etc.

The timer in action.

Next up was the boost gauge. I took the feed from the back of the HKS SSQV and ran the piping back along where the aircon piping was and in through the bulkhead where the aircon used to be. Bulkhead holes covered back up with gromets to keep out water and dirt. You can see the small pipe in the left hole of the two holes.

I decided to fix the boost gauge where the sensor used to be for the central locking. (I broke the fob years ago and never got a replacement) So I removed the sensor and plugged it back in and secured it under the dash. The wiring for the light in the dial was taken from the ground and 12v feed from the wiring connectors that plug into the dash.

Next up was a quick and cheeky mod, a Pivot Raizin volt stabilser and earthing kit. A common mod on Jap Miras. You have to watch out when buying theses as theres lots of cheap chinese copies about.

http://pivotjp.com/imitation/imitation-raizin-e.html

You run earth cables from a terminal you fit to negative on the battery to various places on the car, Alternator bracket, inlet manifold, distributer (if one there), bulk head, body earth. The volt stablizer sticks to the battery and connects to the negative terminal and the live on the battery. The Mira did seem to run a bit smoother and throttle response seems better. Probably a placebo effect but some people swear by em.

There we go and thanks for reading

Oof limited to 5 pics so Ill follow them up
 
:eek: I couldn't live with the boost guage in that position.

All good stuff though. Always interesting to read about something a little unusual on here :cool:
 
It looks a lot worse than what it is. You sit quite high up so its in the bottom right of your vision when driving. My seat was right back when I took that photo :p
 
It looks a lot worse than what it is. You sit quite high up so its in the bottom right of your vision when driving. My seat was right back when I took that photo :p

Oh right, sorry :D

I had visions of you splating small children because they were obscured by your boost gauge :p
 
Now you're removed that aircon rad, you've got a lovely space to fit a big FMIC. :)

I was thinking that but it seems hard to get the piping down to the front. In Japan most Miras replace the stock one with a top mounted ARC intercooler.

Not sure how fast it goes in a straight line now, Ill have to test it someday :)
 
do yourself a favor if you havent allready, put an inline fuze in as close to that battery terminal as poss! if your running monster cable through the bulkhead make sure it is going through a rubber grommet, as if it shorts out it will catch fire very quickly!
 
do yourself a favor if you havent allready, put an inline fuze in as close to that battery terminal as poss! if your running monster cable through the bulkhead make sure it is going through a rubber grommet, as if it shorts out it will catch fire very quickly!

Thanks for the heads up but not to worry, the pipe is just air hose :)
 
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