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 Post subject: Re: 1976 mazda 121
PostPosted: Thu Sep 29, 2011 11:13 pm 
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Joined: Mon Mar 15, 2010 4:37 am
Posts: 180
Location: Ballarat
Electronic ignition is the best thing since sliced bread. My old 626s used to burn condensors and points
at regular intervals. Changed to electronic and never looked back! :D

To perform an electronic dissy swap - class 101:
1. Find a Mazda electronic dissy :twisted: , and buy an electronic ignition coil.
2. Make up a wiring adapter(2 wires with female spade terminals on either end - if you don't have a 2 pin plug handy for the igniter end) to connect the coil to the igniter on the dissy.
3. Line up timing mark on crank pulley, making sure the rotor button is pointing
at No 1 cylinder position in the distributor. (also makes sure you're not 180 degrees out)
4. Remove the old points dissy and throw to the sh*thouse!!!!!!!
5. Line up the timing marks at the gear end of the new dissy - there is a drill mark on the gear and a slot on the casing. Rotor button will automatically line up with No 1 cylinder. Re-install and leave locking nut loose.
6. Install new coil and connect wiring from coil to igniter - the igniter has very small + & - on the side.
7. Start car, set timing and enjoy "point and shoot" timing adjustment.

Total time to convert, when prepared - 15 mins :D


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 Post subject: Re: 1976 mazda 121
PostPosted: Fri Sep 30, 2011 10:33 am 

Joined: Sat Nov 15, 2008 3:39 pm
Posts: 70
Location: Sydney Australia
ewokracing wrote:
I think there are two types of GT40 coil as well, so make sure you get the right one! (I think one is the GT40R from memory).

the R stands for resistor which would be the wrong one. He needs to remove the ballast resistor and run it at a full 12V.
a plain GT40 or an SU12 will do it in oil filled or you can swap to smaller transformer type like a HEC715
They will run with the ballast in place but will only be getting around 9V instead of 12.


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 Post subject: Re: 1976 mazda 121
PostPosted: Mon Oct 03, 2011 4:40 pm 

Joined: Tue Mar 30, 2010 7:04 pm
Posts: 81
Location: australia
we will see. i would by both if possible.


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 Post subject: Re: 1976 mazda 121
PostPosted: Thu Oct 13, 2011 3:35 am 
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Joined: Mon Mar 15, 2010 4:37 am
Posts: 180
Location: Ballarat
So I won't tell you I found another MA electronic dissy at another Victorian country wrecker today
- 15 mins of ratting around in the old model distributors section, and bingo, GOLD!!!!! :tu:

There are times when a job that requires you to travel all over the countryside pays off. :D


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 Post subject: Re: 1976 mazda 121
PostPosted: Fri Oct 14, 2011 3:00 am 

Joined: Tue Mar 30, 2010 7:04 pm
Posts: 81
Location: australia
haha no way thats awesome :P
going to get cracking on mine on mounday.


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 Post subject: Re: 1976 mazda 121
PostPosted: Fri Oct 14, 2011 3:11 am 
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Joined: Mon Mar 15, 2010 4:37 am
Posts: 180
Location: Ballarat
What is wrong with you?!!!!! :lol:
Your new toy should have already been installed and you should be cruising already! :D


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 Post subject: Re: 1976 mazda 121
PostPosted: Sun Oct 16, 2011 2:53 am 

Joined: Tue Mar 30, 2010 7:04 pm
Posts: 81
Location: australia
i know i know but i have had a show every night so all work and no play :P but i get tomorrow off so its going in :D


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 Post subject: Re: 1976 mazda 121
PostPosted: Tue Dec 06, 2011 4:24 am 

Joined: Tue Jul 14, 2009 4:44 am
Posts: 229
Location: New South Fails, Australia
Been a while since I checked on this thing, good to see you found a dizzy after all that :D
Any updates?

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'81 Scorpion- Daily thrasher/track project. 4G52, 4.6:1 rear end, suspension work etc.
'00 Magna- 6G74, 5spd. Sensible, reliable daily, gets along pretty well though.
'79 Suzuki GS550- 580cc overbore, rejetted carbs.


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 Post subject: Re: 1976 mazda 121
PostPosted: Wed Dec 07, 2011 8:14 am 

Joined: Tue Mar 30, 2010 7:04 pm
Posts: 81
Location: australia
yeah i have been working like mad and haven't had any days off but the electric dizzy is in and the car is running super smooth. it was such a good upgrade and anybody with one of these should do it.
outer then that the body is starting to look ratty with rust and so on :(
got a quote to have the body completely restored ( $25,000 )
so thats not going to happen haha


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 Post subject: Re: 1976 mazda 121
PostPosted: Wed Dec 07, 2011 12:20 pm 

Joined: Sat Aug 06, 2011 5:11 am
Posts: 106
Location: Adelaide, Australia
For $25k you can buy a new one whith all things already done to it im sure thay way overcharge you. In another hand you can spend around $1000 and do most of the stuff yourself in our time it plenty of info how to do things on the net and youtube so do the research and then do what you need to do and you save your car and you save your money. Then you can try to find ppl who can help you with oneoff jobs which too complicated for you to do on your own. So dont gave up on your car coz some one wants to make some money out of you.


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 Post subject: Re: 1976 mazda 121
PostPosted: Thu Dec 08, 2011 3:18 pm 
JNC Enthusiast

Joined: Mon Jun 08, 2009 9:26 pm
Posts: 787
Location: Melbourne, Australia
$25,000 was a nice way of saying "go away please, we don't want to touch it".

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 Post subject: Re: 1976 mazda 121
PostPosted: Fri Dec 09, 2011 1:42 am 
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Joined: Mon Mar 15, 2010 4:37 am
Posts: 180
Location: Ballarat
If you're serious about restoring it correctly, then speak with Restoremaz.
I am on a long waiting list to get my 626 done, and am very happy to wait for him
to perform his magic on her! :D
This also gives me time to accumulate the cash I know I am going to need! :tu:


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 Post subject: Re: 1976 mazda 121
PostPosted: Fri Dec 16, 2011 12:26 am 

Joined: Tue Mar 30, 2010 7:04 pm
Posts: 81
Location: australia
dont worry not giving up yet haha.
just have to wait and see as everything in my life is changing at the moment.


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 Post subject: Re: 1976 mazda 121
PostPosted: Mon Jan 30, 2012 9:14 pm 

Joined: Tue Mar 30, 2010 7:04 pm
Posts: 81
Location: australia
ok so i have had the front struts replaced new brake lines and pads and wheel alignment. o and rego.
well my girlfriend and i found out last week that she will have to have open hart surgery before she turns 30 about 5 years from now.
after this surgery she will be unable to have children. sooooo it looks like we need to do some growing up and unless i get a new job that means selling my beloved 121.
now i will have to get a new job within the next few years but that is easier to say then do.
i guess what I'm getting at is what would you guys consider the old girl to be worth.
it is worth saying that jess ( my girlfriend ) does not wont me to sell the car.


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 Post subject: Re: 1976 mazda 121
PostPosted: Mon Jan 30, 2012 10:13 pm 
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Joined: Sun Dec 27, 2009 8:03 pm
Posts: 333
Location: Tucsan AZ / Davis-Monthan AFB / St.Croix Virgin Islands
Man oh Man I feel for you man. I hope you keep your 121 man but if all else fails God speed to you and your family.

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 Post subject: Re: 1976 mazda 121
PostPosted: Tue Jan 31, 2012 12:20 pm 
JNC Enthusiast
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Joined: Sun Sep 26, 2010 11:46 pm
Posts: 692
Location: Magna, UT
That sucks aand I hope all goes well.

Why would you need to sell the car though? Usually the trade loss in selling compared to invested isn't normally worth it. Plus, if you own outright, you can park her till money allows.

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 Post subject: Re: 1976 mazda 121
PostPosted: Tue Jan 31, 2012 11:48 pm 

Joined: Tue Mar 30, 2010 7:04 pm
Posts: 81
Location: australia
there is no doubt that i would be losing money if i was to sell her.
i could keep it but i have no where to store it.
i guess it comes back to money issues if i can find myself a new career that pays well in the next little while then i can keep her and afford to do everything els but i don't like my chances.
and its not like I'm being greedy i would only need 50 grand a year to do the family thing and the car thing but as it stands i make half that.


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 Post subject: Re: 1976 mazda 121
PostPosted: Tue Feb 07, 2012 11:17 pm 

Joined: Tue Mar 30, 2010 7:04 pm
Posts: 81
Location: australia
driving home from work on sunday night at about 4 am the engine developed a metallic tapping noise i pulled over nothing was wrong but the noise was still there so i got off the free way and limped her slowly home.
got home and the noise had gotten a little louder but not by much.
woke up in the morning and first thing started it to take it to my mechanic.
the noise was dramatically louder and it had a really bad miss got to the shop witch is to blocks from my house.
he called me yesterday to tell me he thinks one or two of the rockers may have died and there is no compression in 2 of the cylinders.
needles to say this shouldn't have happened as the engine was rebuilt not long ago.
so he is contacting the guy who did the engine to see what the hell is going on.
not happy!!!!!!


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 Post subject: Re: 1976 mazda 121
PostPosted: Sat Feb 11, 2012 1:24 am 

Joined: Fri Dec 18, 2009 7:11 am
Posts: 24
Location: Adelaide,Australia
Amazing cars ....I;ve been trying to get my hand on one of these for years ...but still no luck :(

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 Post subject: Re: 1976 mazda 121
PostPosted: Sat Feb 11, 2012 7:08 am 

Joined: Sat Aug 06, 2011 5:11 am
Posts: 106
Location: Adelaide, Australia
Ive been looking for one for 2 years :) and after i found it they keep coming for sale all the time :(

Good luck with yours.


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